250+ Biology Question (Important for Punjab & Haryana High Court Exam)

Friends, below is the list of important MCQs of Biology(collected from previous years competitive exams papers). Specially Designed for Punjab Haryana High Court Exam. This list will be helpful for all upcoming Punjab Govt. Exam. 
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Q-1 Which one among the following vitamins is necessary for blood clotting?
(a) Vitamin A
(b) Vitamin D
(c) Vitamin K 
(d) Vitamin C

Q-2 In Opuntia, the spine is the modification of
(a) leaf 
(b) Stem
(c) root
(d) None of these

Q-3 Organisms free floating on the surface of water body are
(a) benthos
(b) nektons
(c) neustons
(d) phytoplanktons

Q-4 The urine sample of a diabetic patient contains
(a) sucrose
(b) fructose
(c) glucose
(d) All of these

Q-5 Which of the following organism does not obey the cell theory?
(a) Virus
(b) Bacteria
(c) Fungi
(d) Plants

Q-6 When a colour blind male marries a normal woman not carrying the gene for colour blindness, their offspring will be
(a) normal sons and normal daughters
(b) normal sons and carrier daughters
(c) normal daughters and colour blind sons
(d) colour blind sons and carrier daughters

Q-7 In human body, the pancreas secretes its enzymes into which one of the following?
(a) Stomach
(b) Ileum
(c) Jejunum
(d) Duodenum

Q-8 Where is the organ of corti located?
(a) Internal ear 
(b) Middle ear
(c) External ear
(d) None of these

Q-9 Hyper osmotic urine secreted by human beings is due to presence of depends on
(a) length of distal convoluted tubule
(b) width of Bowman’s capsule
(c) loop of Henle 
(d) length of proximal convoluted tubule

Q-10 Which one among the following parts of castor seed yields oil?
(a) Nucellus
(b) Ccaruncle
(c) Endosperm
(d) Cotyledon

Q-11 In the biotic interaction, both the species derive benefit and their association more or less obligatory is termed as
(a) proto-corporation
(b) symbiosis
(c) commensalism
(d) parasitism

Q-12 The gastrointestinal hormones namely secretin and cholecystokinin secreted by duodenal epithelium activate respectively which organs to discharge their secretions?
(a) Pancreas and gall bladder
(b) Gall bladder and stomach
(c) Pancreas and stomach
(d) Stomach and small intestine

Q-13 Ecdysone is secreted by
(a) moluscs
(b) birds
(c) reptiles
(d) insects

Q-14 The fossil of Archaeopteryx represents the evidence of origin of
(a) birds from reptiles 
(b) mammals from reptiles
(c) reptiles from amphibians
(d) mammals from birds

Q-15 The colour of the bile pigment is largely derived from
(a) undigested food
(b) breakdown of hemoglobin from worn-out cells
(c) xanthophylls
(d) bile salts

Q-16 The technique used for the separation of DNA fragments is
(a) Northern blotting
(b) Southern blotting
(c) Western blotting
(d) None of these

Q-17 Which of the following dentition is found in crocodiles?
(a) Acrodont
(b) Pleurodont
(c) Thecodont
(d) None of these

Q-20 Among the following which one is not an ape
(a) Gibbon
(b) Urangutan
(c) Gorilla
(d) Langur

Q-21 In which pair, both the organisms are ammonotelic?
(a) Man and Toad
(b) Frog and Man
(c) Salmander and Frog
(d) Salamander and Tadpole

Q-22 The technique of the development of fruits without fertilization is known as
(a) parthenogenesis
(b) parthenocarpy
(c) autogamy
(d) sporogamy

Q-23 The acidic character of DNA and RNA are due to
(a) purine bases
(b) pyrimidine bases
(c) sugar fragments
(d) phospheric group 

Q-24 Which of the vitamins is essential for the red blood cell formation?
(a) Thiamine
(b) Folic acid
(c) Riboflavin
(d) Niacin

Q-25 Consider the following statements
I. Endoplasmic reticulum (ER) is called as “skeleton of cell”
II. ER is divided into three types according to presence or absence of ribosome.
III. Smooth ER is rich in actively protein secreting cells.
Which of the statements given above is/are correct?”
(a) Only 1 
(b) I and II
(c) II and III
(d) Only III

Q-26 The colour of flower petals is due to the presence of
(a) xanthophyll
(b) anthocyanin 
(c) phycoerythrin
(d) carotene

Q-27 The meiosis cell division can be best studied in
(a) young stem
(b) root tip
(c) youm leaf
(d) young anther 

Q-28 The tusks of the elephants are modified
(a) molars
(b) premolars
(c) canines
(d) incisors

Q-29 The number of cell organelles in our body can be kept in control by which of the following organelle?
(a) Lysosome
(b) Golgi bodies
(c) Mitochondria
(d) Nucleus

Q-30 Which of the following stages is associated with the formation of chiasmata during meiotic cell division?
(a) Leptotene
(b) Zygotene
(c) Pachytene
(d) Diplotene

Q-31 Father of biology is
(a) Aristotle 
(b) Birbal Sahni
(c) C Linnaeus
(d) Charles Darwin

Q-32 Which of the following cell organelle is found in a cell which is very active in protein synthesis?
(a) Mitochondria
(b) Chloroplast
(c) Lysosome
(d) Ribosome

Q-33 Which one among the following has haustoria or sucking roots?
(a) Orchids
(b) Mango
(c) Chestnut
(d) Cuscuta

Q-34 Interferon suppresses the pathogenic activity of
(a) bacteria
(b) fungus
(c) virus
(d) protozoa

Q-35 The female gametophyte of angiosperm is mostly
(a) seven-celled
(b) eight-celled
(c) eleven-celled
(d) twenty-celled

Q-36 Kidney stones are mainly formed by which of the following compound
(a) Sodium chloride
(b) Silicates
(c) Calcium bicarbonate
(d) Calcium oxalate

Q-37 Which of the following plant has exhibited viviparity phenomenon?
(a) Manginifera
(b) Rhizophora
(c) Betula
(d) Psidium

Q-38 The gastrointestinal hormones namely secretin and cholecystokinin secreted by duodenal epithelium activate respectively. Which organs to discharge their secretions?
(a) Pancreas and gall bladder
(b) Gall bladder and stomach
(c) Pancreas and stomach
(d) Stomach and small intestine

Q-39 Which one among the following is the major proteins involved in the production of antibodies?
(a) Albumins
(b) a-globulins
(c) P-globulins
(d) y-globulins 

Q-40 Which of the following organelles is associated with ATP synthesis in cells?
(a) Ribosomes
(b) Lysosomes
(c) Nucleus
(d) Mitochondria

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Q-41 The plasma membrane of animal cells is highly elastic. It is mainly due to the presence of
(a) carbohydrates
(b) proteins
(c) lipids
(d) nucleic acids

Q-42 A fatal neurodegenerative disease called “Kuru” common in a tribe of Papua New Guinea is caused by
(a) vims
(b) prions 
(c) bacteria
(d) fungi

Q-43 Which among the following commercial form of hormones can induce “labour” in the pregnant woman?
(a) Thyroxine
(b) Oxytocin
(c) Vasopressin
(d) Thyrocalcitonin

Q-44 Haem is the important biologically in the myoglobin, which is used to store
(a) nitrogen in muscles
(b) chlorine in muscles
(c) oxygen in muscles
(d) carbon dioxide in muscles

Q-45 Which of the following organisms have peptidoglycan compound as an important constituent in cell wall?
(a) Bacteria and cyanobacteria
(b) Bacteria and unicellular eukaryote 
(c) Archaebacteria and eukaryote
(d) All members of monera and protista

Q-46 Which among the following animal has “wriggler” as a larval form?
(a) Mosquito 
(b) Sand fly
(c) House fly
(d) Ticks

Q-47 Which one among the following is the reason for the absence of fruit in gymnosperm?
(a) Lack of ovule
(b) Lack of ovary
(c) Lack of embryos
(d) Lack of seeds

Q-48 Which one among the following is true about “Ginger and Sweet potato ?
(a) Homologous and root and stem respectively
(b) Homologous and stem and root respectively
(c) Analogous and root and stem respectively
(d) Analogous and stem and root respectively

Q-49 How much glomerular filtrate is formed in human beings in a day?
(a) 50-60 Litres
(b) 100-120 Litres
(c) 160-180 Litres
(d) 200-220 Litres

Q-50 Which of the following organ acts as a shock tissue during allergic reactions?
(a) Heart
(b) Spleen
(c) Stomach
(d) Lungs

Q-51 Who coined the term nucleolus?
(a) Fontana
(b) Robert Brown
(c) Camillo Golgi
(d) Strasburger

Q-52 Which one among the following organisms is found in the gut of termites which feed on wood?
(a) Bacteria
(b) Protozoa
(c) Virus
(d) Fungi

Q-53 The macro-nutrients provided inorganic fertilizers are
(a) carbon, iron and boron
(b) magnesium, manganese and sulphur
(c) magnesium, zinc and iron
(d) magnesium, phosphorus and potassium

Q-54 The richest source of vitamin A are
(a) green peas and beans
(b) pepper and potato
(c) tomato and onion
(d) pumpkin and carrots 

Q-55 Which one among the following has the specialized absorptive tissue in roots?
(a) Orchids
(b) Epiphytes 
(c) Monocots
(d) All of these

Q-56 Which one among the following pigment found in plant cells is known as “vegetable chaemeleon”?
(a) Anthocyanin
(b) Chlorophyll
(c) Lycophyll
(d) Plastocyanin

Q-57 Which of the following groups of animals are warm blooded
(1) Amphibia
(2) Reptilia
(3) Aves (Birds)
(4) Mammalia
Select the correct answer using the codes given below
(a) All of these
(b) 1,2 and 3
(c) 2 and 3
(d) 3 and 4

Q-58 The ultimate cause of water movement in a plant stem against gravity is
(a) osmosis
(b) transpiration
(c) photosynthesis
(d) diffusion

Q-59 Which one of the glands in human body produces the growth hormone (somatotrophin)?
(a) Adrenal
(b) Pancreas
(c) Pituitary
(d) Thyroid

Q-60 In a bisexual flower in androecium and gynoecium mature at different time the phenomenon is known as
(a) dichogamy 
(b) herpogamy
(c) haterogamy
(d) monogamy

Q-61 What is the cause of Addison’s disease?
(a) Hypersecretion of Gonads
(b) Hypersecretion of thyroid gland
(c) Hyposecretion of thyroid gland
(d) Hyposecretion of adrenal gland 

Q-62 The spindle fibres are mostly composed of
(a) myoglobin
(b) actin
(c) myosin
(d) tonafilament

Q-63 The yellow and orange colour of fruits and flowers are mainly due to
(a) leucoplasts
(b) chloroplast
(c) aleuroplast
(d) chromoplast

Q-64 Which one among the following is responsible for provide balance in human beings?
(a) Outer ear
(b) Middle ear
(c) Internal ear 
(d) Eustachian tubes

Q-65 Dual Energy X-ray Absorption tiometry (DEXA) is used to measure
(a) spread of solid tumour
(b) bone density
(c) ulcerous growth in stomach
(d) extent of brain haemorrhage

Q-66 The virus was discovered by
(a) Urey
(b) Haeckel
(c) Smith
(d) Ivanowski

Q-67 Which one of the following organelles takes part in the formation of acrosome in human sperms?
(a) Ribosomes
(b) Golgi bodies
(c) Lysosome
(d) Nucleolus

Q-68 Which one among the following is the plant having dominant gametophytic generation?
(a) Angiosperm
(b) Gymnosperm
(c) Pteridophyte
(d) Bryophyte

Q-69 Which of the following pair of cell organelles is mainly concerned with fatty acid metabolism in both plants and animals?
(a) Ribosomes and Nucleus
(b) Lysosomes and Mitochondria
(c) Peroxisomes and Mitochondria 
(d) Glyoxysomes and Peroxisomes.

Q-70 Which one among the following statements is correct?
(a) All proteins are enzymes
(b) All enzymes are proteins
(c) None of the enzymes is protein
(d) None of the protein is enzyme

Q-71 The most advanced evolutionary influorescent is found in
(a) Dahlia
(b) Calotropis
(c) Salvia
(d) Yucca

Q-72 Why do we move our hands while walking?
(a) To increase the homeostasis of our body
(b) To increase blood circulation in our body
(c) To relieve our tension and walk faster
(d) To maintain equilibrium against force of gravity 

Q-73 The term meiosis was coined by
(a) Fleming
(b) Blackmann
(c) Liebig
(d) Farmer and Moore

Q-74 When a ripe fruit is kept with unripe fruits, the latter ripen due to release of
(a) auxin by the ripe fruits
(b) cytokinin by the ripe fruits
(c) ethylene by the ripe fruits
(d) ethylene by the unripe fruits

Q-75 Which are among the following organs is involved in the conversion of ammonia, the main end product of protein digestion to excretory product urea?
(a) Kidney
(b) Lung
(c) Intestine
(d) Liver

Q-76 Which one among the following is true about the “pollen basket”?
(a) A sac in a flower which carries the pollen
(b) A basket made up of pollen
(c) A cavity in the hindleg of the worker bee 
(d) A common used in artificial fertilization

Q-77 The relationship between a sea anemone and the hermit crab is
(a) proto-corporation
(b) symbiosis
(c) commensalism
(d) parasitism

Q-78 Termites can’t digest the cellulose contained in wood. Which of the following organism assists termites in the cellulose digestion?
(a) Bacteria
(b) Protozoa
(c) Virus
(d) Fungi

Q-80 HIV mainly infects
(a) a-globulin
(b) cytotoxic T-lymphocytes
(c) helper lymphocytes 
(d) killer lymphocytes

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Q-81 Cattle are capable of digesting cellulose present in the grass and/or fodder that they eat. This ability is attribute to the
(a) presence of cellulose digesting bacteria in the rumen 
(b)production of cellulose by the cattle rumen
(c)acids present in the rumen
(d)prolonged retention of cellulose in the rumen

Q-82 Which of the following term is associated with failure of meiosis-ll to occur after meiosis-l?
(a) Brachymeiosis 
(b) Dinomitosis
(c) Dimunition
(d) Karyokinesis

Q-83 The unit structure of genes is made up of
(a) RNA
(b) DNA
(c) endoplasmic reticulum
(d) magnesium

Q-84 The improper function of which of the following results in the condition ‘Myxedema’ in human beings?
(a) Adrenal gland
(b) Pancreas
(c) Thyroid gland
(d) Liver

Q-85 The release of pancreatic juice from the pancreas in a mammal is stimulated by
(a) insulin hormone
(b) secretin hormone
(c) trysin hormone
(d) thyroxine hormone

Q-86 Otolith found in the inner ear of man is chemically
(a) magnesium carbonate
(b) calcium carbonate 
(c) calcium bicarbonate
(d) silicon oxides

Q-87 The main thinking part of the brain is
(a) midbrain
(b) hypothalamus
(c) forebrain
(d) hindbrain

Q-88 The first geological time scale was developed by
(a) Giovani Arduina
(b) William Smith
(c) R Malthus
(d) George Cuvier

Q-89 The characteristic odour of garlic is due to
(a) a chlorine compound
(b) a fluorine compound
(c) a sulphur compound
(d) a nitrogen compound

Q-90 Potatoes are borne on
(a) primary roots
(b) stem branches 
(c) lateral roots
(d) adventitious roots

Q-91 Which one among the following is responsible for the resistant nature of bacterial endospores?
(a) Calcium and Aponitic acid
(b) Aponitic acid
(c) Calcium and Dipicolinic acid 
(d) Dipicolinic cyanide

Q-92 Eating of raw fish can cause deficiency of
(a) vitamin B 
(b) vitamin D
(c) vitamin K
(d) vitamin B6

Q-93 “Fluid Mosaic model” proposed by Singer and Nicholson is mainly concerned with
(a) ribosomes
(b) cytoplasm
(c) cell wall
(d) nlasma membrane 

Q-94 Cancer is more common in older people because
(a) their immune systems have degenerated
(b) the supply of certain hormones declines with age
(c) their bodies are unable to adjust to the changing environment
(d) they have accumulated more mutations

Q-95 Which one among the following is the rarest amino acid in nature?
(a) Tryptophan 
(b) Alanine
(c) Phenylalanine
(d) Aspartic acid

Q-96 The classification of Engler and Prantl is one which is based on
(a) morphology of organisms
(b) utilitarian system
(c) habits of organisms
(d) common evolutionary descent 

Q-97 Select the correct answer
I. Sucrose II. Glycogen III. Chitin
Which of the carbohydrates given above is/are reducing sugar?
(a) I and II
(b) II and III
(c) All of these 
(d) Only II

Q-98 Which one of the following extra-embryonic membranes acts as a protective aquarium for the developing embryos?
(a) Amnion
(b) Chorion
(c) Allantois
(d) Yolk sac

Q-99 Which one among the following parts is used to obtain the purest form of cellulose from plants?
(a) Root hairs
(b) Stem hairs
(c) Leaf hairs
(d) Seed hairs

Q-100 Which one among the following produces the largest sperm in the plant kingdom?
(a) Cycas 
(b) Pinus
(c) Mango
(d) Sunflower

Q-101 Consider the following vitamins
(1) Niacin (2) Pyridoxine (3) Riboflavin (4) Thiamine
Which of the above vitamins are water soluble?
(a) 1 and 2
(b) 2 and 3
(c) 2, 3 and 4
(d) All of these

Q-102 Which of the following is not present in prokaryotes?
(a) Ribosomes
(b) Nuclear membrane
(c) Cell wall
(d) Plasma membrane

Q-103 Which among the following endocrine glands is temporary lasts only for a limited period?
(a) Thyroid gland
(b) Adrenal gland
(c) Gonads
(d) Thymus gland

Q-104 Which one among the following hormones is the stress hormone’ of plants?
(a) Auxin
(b) Abscisic acid
(c) Gibberellin
(d) Cytokinin

Q-105 Consider the following statements
I. Iodine is necessary for the thyroid gland to make adrenaline.
II. Iodine deficiency leads to goitre in human beings.
III. Iodine is secreted by pancreas and helps in regulating cholesterol level.
Which of the statements given above is/are correct?
(a)All of these
(b) I and II
(c) I and III
(d) Only II

Q-106 Hormone was discovered by
(a) Funk
(b) Starling 
(c) Addison
(d) Banting

Q-107 The phyllodade commonly found in xerophytic plants is the modified
(a) stem
(b) roots
(c) leaf
(d) flower

Q-108 Nitrosomonas and Nitrobacter convert
(a) urea to nitrite
(b) ammonia to urea
(c) urea to ammonia
(d) ammonia to nitrate 

Q-109 What would happen if human blood becomes acidic (LOW PH)?
(a) Oxygen-carring capacity of haemoglobin is increased
(b) Oxygen-carring capacity of haemoglobin is decreased 
(c) RBC count increases
(d) RBC count decreases

Q-110 The Kingdom protista which consists of the both, simple unicellular and multicellular organisms was first enacted by
(a) Ernst Haeckel
(b) Charles Darwin
(c) Engler and Prantl
(d) Eichler

Q-112 Which among the following hormones can be used in the treatment of diabetes insipidus?
(a) Estrone
(b) Erythropoietin
(c) Thyroxine
(d) Vasopressin

Q-113 Which one among the following is a major source of sugar?
(a) Watermelon
(b) Beetroot
(c) Sugarcane
(d) Date

Q-114 Which cells cannot divide following the birth in human?
(a) Nerve cells
(b) Muscle cells
(c) Osteoblast
(d) Epidermal cells

Q-115 Which of the following cannot determine phylogenetic relationships among the organisms?
(a) Biogeography
(b) Embryology
(c) Physiology
(d) Morphology

Q-116 If a man is starving and also without beverages, there will be
(a) more urea in blood
(b) less urea in blood
(c) more uric acid in blood
(d) less urea in urine

Q-117 In which of the following period the flowering plant, ie, Angiosperm appeared for the first time?
(a) Carboniferous
(b) Triassic
(c) Jurassic
(d) Cretaceous

Q-118 The pH of human blood is normally around
(a) 1.5-6.5
(b) 5.5 – 6.5
(c) 7.5 – 8.0
(d) 8.5 – 9.0

Q-119 Select the correct answer
I. Lung fish
II. Spiny ant eater
III.Tortoise
Which of the organisms given above is/are connecting links?
(a) Only I
(b) I and II 
(cj II and III
(d) Only II

Q-120 Consider the following statements
I. Femur is the longest bone in human body.
II. Stape is the smallest bone found in ear.
III. Stapedius is the smallest muscle in our body.
IV. Turbinal bones can be traced in forelimbs.
Which of the statements given above is/are correct? 
(a) All of these
(b) I, II and III 
(c) II and III
(d) III and IV

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Q-121 The following is/are the symptoms associated with diabetes mellitus, a common disease of human beings
I. High sugar level in blood.
II. Lower sugar level in blood.
III. Higher insulin level in blood.
IV. Lower insulin level in blood.
Which of the statements given above is/are correct?
(a) I, II and III
(b) I and IV 
(c) II and III
(d) III and IV

Q-122 In ferns, the meiosis occursed before the formation of
(a) spores
(b) protonema
(c) gametes
(d) prothallus

Q-123 Which one among the following is the ‘Bombaykol?
(a) A sol synthesized in Bombay
(b) A type of poison
(c) A pheromone extracted from a silk moth 
(d) None of the above

Q-124 Consider the following diseases
I. Yellow fever
II.Plantarwart
III. HIV/AIDS
IV. Rubella
Which of the diseases given above is/are caused by virus?
(a) All of these 
(b) I, II and III
(c) II and III
(d) Only III

Q-125 Chemically silk fibres are predominantly
(a) carbohydrate
(b) protein
(c) complex lipid
(d) fatty acids

Q-126 Which one among the following vitamins was regarded as the “wonder drug” by Linus Pauling?
(a) Vitamin A
(b) Vitamin B complex
(c) Vitamin C
(d) Vitamin D

Q-127 When an aeroplane take off, some occupants often feel pain in the region of ears. This is because of
(a) effect of loud sound in the middle ear
(b) rapid movement of otoliths in the inner ear
(c) rapid movement of endolymph in the semicircular canals
(d) blockage of the eustachian tubes

Q-128 Consider the statements about aspartame
I. It is a peptide essentially non-caloric sugar free sweetener.
II. It is about 180 times sweeter than sucrose.
III. It is widely used in drink and food industry.
IV. It does not promote tooth decay.
Which of the statements given above is/are correct?
(a) II and III
(b) II and IV
(c) I, II and III
(d) All of these

Q-129 Which of the following will form a new species?
(a) Interbreeding
(b) Random mating
(c) Connecting links
(d) Variations 

Q-130 Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
(a) Hydrogen, oxygen and sodium
(b) Carbon, hydrogen and nitrogen
(c) Oxygen, calcium and phosphorus
(d) Carbon, hydrogen and potassium

Q-131 Which of the following commercial form of hormone is used in sterile cows to induce lactation?
(a) Thyroxine
(b) Oxytocin
(c) Vasopressin
(d) Relaxin

Q-132 What is the amount of blood filtered by the kidney within a minute?
(a) 1200 ml 
(b) 1600 ml
(c) 600 ml
(d) 800 ml

Q-133 Which one among the following animal tissues transport hormones, heat and maintains water balance?
(a) Blood 
(b) Connective tissue
(c) Muscular tissue
(d) Nervous tissue

Q-134 Which of the following vitamins are to be with our daily diet?
(a) A, B complex, C and E
(b) A, D, E and K
(c) B complex and C 
(d) B complex, C and E

Q-135 Sun loving plants are
(a) halophytes
(b) sciophytes
(c) heliophytes 
(d) autotrophs

Q-136 How many microspore mother cells are needed to produce 100 pollen grains in the angiosperm cells?
(a) 25 cells
(b) 75 cells
(c) 50 cells
(d) 100 cells

Q-136 Presence of many embryos is a characteristic feature of
(a) citrus
(b) mango
(c) banana
(d) All of these

Q-137 Which of the following parts of insectivorous plants such as nepenthes, darlingtonia, etc have modified to capture the insects?
(a) Leaf
(b) Stem
(c) Root
(d) Flower

Q-138 Which among the following is the richest source of ascorbic acid?
(a) Apple
(b) Carrot
(c) Bean
(d) Guava

Q-139 Consider the following statements
I. Honey bee is the chief pollinator of our agricultural crops.
II. In honey bee, drone is reproduced from the unfertilized eggs.
III. In honey bee colony, there are around 10- queens in the hive.
Which of the statements given above is/are correct?
(a) All of these
(b) I and II
(c) I and III
(d) II and III

Q-140 Which one among the following is the largest edible bud found in nature?
(a) Cauliflower
(b) Agave
(c) Cabbage
(d) Drosera

Q-141 Complete oxidation of one gram of glucose yields (in calories)
(a) 68600
(b) 686000
(c) 6860000
(d) 686

Q-142 Select the correct answer
I. Flipper of a seal
II. Wing of a bat
III. Arm of a man
IV. Wing of a moth
Which of the organs given above is/are homologous?
(a) II, III and IV
(b) III and IV
(c) I, II and III 
(d) All of these

Q-143 Leishmania, the causative agent of kala-azar, multiplies asexually by
(a) budding
(b) binary fission
(c) multiple fission
(d) sporogony

Q-144 Which one among the following is the enzyme which induces lysis of fibrin during fibrinolysis?
(a)Thrombin
(b) Christmass factor
(c) Albumin
(d) Plasmin 

Q-145 Which of the following blood vessel carries the blood rich in amino acid , glucose, etc from intestine to liver?
(a) Dorsal aorta
(b) Mesenteric artery
(c) Renal portal vein
(d) Hepatic portal vein

Q-146 The neurogenic heart is the characteristic feature of
(a) higher vertebrates
(b) lower vertebrates
(c) human
(d) rats

Q-147 In some plants, the flower is modified in such a way that it looks like a female insect and attracts male counterparts for the copulation. Such modification is used for the pollination and occurs commonly in
(a) orchids
(b) wheat
(c) maize
(d) mango

Q-148 Which one among the following muscles is immune to fatigue?
(a) Striped muscle
(b) Unstriped muscle
(c) Cardiac muscle 
(d) Voluntary muscle

Q-150 Which of the following gland atrophies at the age of 15-17 years in man?
(a) Thymus gland
(b) Thyroid gland 
(c) Pancreas
(d) Pitutiary gland

Q-150 The physical basis of life protoplasm was named by
(a) Purkinje
(b) J Huxley
(c) Robert brown
(d) Sherington

Q-151 Which of the following hormones given below regulate the calcium level in our blood?
(a) Enterokinin
(b) Parathormone
(c) Secretin
(d) Thyroxine

Q-152 Synapsis that is the pairing of homologous chromosome during the meiotic cell division occurrs during
(a) prophase I
(b) prophase II
(c) telophase I
(d) metaphase II

Q-153 Vermiform appendix present in our body indicates our ancestors were
(a) herbivores
(b) carnivores
(c) sanguivores
(d) insectivores

Q-154 Which one among the following hormones stimulates the plant cells to grow in a manner such that the plant appears to be bent towards light?
(a) Cytokinin
(b) Auxin
(c) Gibberellin
(d) Abscisic acid 

Q-155 The respiratory centre, which regulates respiration in men is located in
(a) cerebral peduncle
(b) cerebellum
(c) vagus nerve
(d) medulla oblongata

Q-156 Which one among the following statements about blood transfusion is correct? Blood gray B can give blood to
(a) Blood group B can receive from group AB
(b) Blood groups B and AB and receive from group B 
(c) Blood groups B and AB and receive from group A
(d) Blood group O and receive from group B

Q-157 Before X-ray examination (coloured X-ray) of the stomach, patients are given suitable salt of barium because
(a) barium salts are white in colour and this helps stomach to appear clearly
(b) barium is a good absorber of X-rays and helps stomach to appear clearly
(c) barium salts are easily available
(d) barium allows X-rays to pass through the stomach

Q-158 The ratio of organic matter to inorganic matter in the cell is
(a) 1 : 9
(b) 10 : 5
(c) 9 : 1 
(c) 5 : 10

Q-159 Ecology takes into account of
(a) environmental factors only
(b) effects of plants on environment
(c) plant adaptation
(d) relationship between organism and their environment 

Q-160 The phenomenon of Poly-embryony was first observed in
(a) manginifera
(b) cucurbita
(c) citrus
(d) euphorbia

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Q-161 What happen to plant cells when they are kept in a hyper-osmotic solution?
(a) Flaccidity
(b) Turgidity
(c) Plasmolysis 
(d) Bursting

Q-162 Which of the following viruses have RNA as the genetic material?
1.Polio-viruses 2. Reo-viruses 3. Adenoviruses 4. TMV Codes”
(a) All of these
(b) 1,2 and 4 
(c) 2, 3 and 4
(d) 3 and 4

Q-163 In higher animals, haemoglobin is found in red blood corpuscles. Which of the following animals have haemoglobin dissolved in plasma?
(a) Annelids
(b) Birds
(c) Reptiles
(d) Mammals

Q-164 Consider the given cell organelles
I. Mitochondria II. Plastids III. Ribosome
Which of the cell organelle(s) given above is/are common in both plant and animal cells?
(a) All of these
(b) I and II
(c) I and III
(d) Only II

Q-165 Which one among the following amino acids is the last entry in “magic-20”s?
(a) Serine
(b) Histidine 
(c) Proline
(d) Asparagine

Q-166 Consider the following statements about progeria
I. Progeria is the genetic disease associated with fast ageing.
II. Progeric patients never live beyond early twenties.
III. It happens due to point mutation replacing cytosine by thymine
Which of the statements given above is/are correct?
(a) All of these
(b) Only I
(c) II and III
(d) II and III

Q-167 The beverage ‘coconut milk’ of green coconut is the
(a) liquid nucellus
(b) liquid of female gametophyte
(c) liquid chalaza
(d) liquid endosperm

Q-168 Antigens are present
(a) inside the nucleus
(b) on the nuclear membrane
(c) inside the cytoplasm
(d) on the cell surface 

Q-169 Which one among the following is the rarest type of WBC in the human blood?
(a) Basophil
(b) Neutrophil
(c) Eosinophil
(d) Monocyte

Q-170 Human blood is a viscous fluid. This viscosity is due to
(a) proteins in blood
(b) platelets in plasma
(c) sodium in serum
(d) RBC and WBC in blood

Q-171 The root system of plants grows out from the
(a) radicle of the embryo
(b) embryos of the seeds
(c) plumule of the embryo
(d) None of the above

Q-172 Which of the following groups contains only true fishes?
(a) Trygons, Torpedos, Whales, Sharks
(b) Perch, Torpedos, Sharks, Trygons 
(c) Silver fish, Jelly fish, Sharks
(d) Lung fishes, Silver fish, Jelly fish

Q-173 Mosquito can be a vector for following diseases except
(a) yellow fever
(b) dengue fever
(c) filaria
(d) kala-azar 

Q-174 The placoid scales are found only in
(a) osteichthyes
(b) elasmobranchii 
(c) bony fishes
(d) lung fishes

Q-175 The monocot plants lack the process of grafting. It is mainly due to lack of
(a) vascular tissue
(b) ground tissue
(c) parenchymatous tissue
(d) cambium tissue 

Q-176 Magnetic Resonance Imaging (MRI) is used in medical diagnosis to obtain images our internal body organs. This is primarily possible because
(a) our body possesses a permanent magnet
(b) MRI uses an external magnet to generate a magnetic field in our body 
(c) MRI uses an external electric field to generate magnetic field in our body
(d) ions motions along our nerve cells generates magnetic field

Q-177 In which one among the following cell walls, the silica is abundantly found?
(a) cell wall of all monocots
(b) cell wall of all dicots
(c) cell wall of grass and horsetail
(d) cell wall of all gymnosperms

Q-178 Which among the following gland is known as ” Clockwork gland” of human beings?
(a) Thyroid gland
(b) Pituitiary gland
(c) Pineal gland
(d) Gonads

Q-179 Which of the following is the honey bee queen substance?
(a) An ingredient of honey
(b) A pheromone secreted by the queen
(c) A type of wax used in cell construction
(d) An excretory product of the queen

Q-180 Which of the following vector spreads the ksala- azar in human beings?
(a) Mosquito
(b) Sand fly
(c) House fly
(d) Ticks

Q-181 Ilmas, a species of Camel family are found in
(a) Africa
(b) Australia
(c) South America
(d) North America

Q-182 The mad-cow disease in cattles is caused by
(a) virus
(b) bacteria
(c) protozoa
(d) prions

Q-183 The secretory product pectin of cell wall is chemically a
(a) protein
(b) carbohydrate 
(c) lipid
(d) nucleic acid

Q-184 Coagulation of blood in the vessel is prevented during normal condition by
(a) prothrombin
(b) calcium
(c) heparin
(d) albumin

Q-185 Which of the following imparts yellow colour to urine in humans?
(a) Cholesterol
(b) Lymph
(c) Urochrome
(d) Bile salts

Q-186 Which of the following are characteristics of diabetes mellitus, a common disease of human beings?
I. Increase of blood sugar.
II. Appearance of sugar in urine.
III. Loss of hunger.
IV. Lack of energy.
Which of the statements given above is/are correct?”
(a) I, II and III
(b) I, II and IV
(c) II, III and TV
(d) III and IV

Q-187 Which one among the following animals is without the bone-marrow?
(a) Frogs
(b) Fishes
(c) Lizards
(d) Birds

Q-188 Which gland is associated with the production of lymphocytes and antibodies?
(a) Hypothalamus
(b) Adrenal
(c) Thymus
(d) Thyroid

Q-189 To study the evolutionary kingdoms, which one of the following will be very useful
(a) Fossils
(b) Missing links
(c) Connecting links
(d) All of the above

Q-190 The heart sound murmurs are heard during
(a) closing of bicuspid and tricuspid valves.
(b) closing of aortic and pulmonary semilunar valves
(c) generated by trubulent flow of blood, either inside or outside the most
(d) None of the above

Q-191 Removal of thymus gland in the early life of an experimental mammal will cause
(a) lack of lymphocytes
(b) lack of antibodies
(c) lack of lymph nodes and vessels
(d) Both ‘a’ and ‘b’ 

Q-192 The fruit after ripening becomes soft. It is due to
(a) dissolution of tannin in sap
(b) dissolution of middle lamella 
(c) formation of ethylene gas
(d) formation of auxin

Q-193 Which of the following should a man consume if he lacks rhodopsin in his eyes?
(a) Orange and amla
(b) Papaya and mango
(c) Watermelon and orange
(d) Lemon and mango

Q-194 Which one of the following is the connecting link between phylum annelida and arthropoda?
(a) Peiipatus
(b) Elphidium
(c) Neopilina
(d) Archaeopteryx

Q-195 Which one among the following affects the flowering in plants?
(a) Gibberellin
(b) Cytokinin
(c) Florigen
(d) Auxin

Q-196 Which one among the following tissues can be used for the extraction of fibres?
(a) xylem and phloem
(b) xylem, phloem and sclerenchyma
(c) xylem, parenchyma and phloem
(d) xylem, phloem, epidermis and sclerenchyma 

Q-197 Among the plants, pheromones secreted by the cells. For Which of the following is/are the function of a know more function?
(a) Ail plants for growth and development
(b) Yeast for facilitating mating
(c) All Fungi for Sekual reproduction.
(d) Rhizopus for the formation of zygospore

Q-198 RNA differs from DNA in having
(a) thymine
(b) uracil
(c) adenine 
(d) guanine

Q-199 Which one among the following micro orgainisms can be used in “Microbial fuel cells”?
(a) Clostridium butyricum
(b) Shewanella putrefaciens
(c) E coli
(d) Acetobacter

Q-200 Which of the following animals have the biconvex and non-nucfeated RBCs?
(a)Amphibians
(b) Birds
(c) Reptiles
(d) Mammals

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Q-201 In which of the following groups would you place a plant, which produces spores, has vascular tissues and bear seeds without fruits?
(a) Bryophytes
(b) Angios perm
(c) Pterydophytes
(d) Gymnosperm

Q-202 The excretion of insoluble calcium phosphate present in our body is done by
(a) kidney
(b) liver
(c) intestine
(d) lung

Q-203 The phragmoplast, a cell plate formed in plant cells originates from
(a) ribosomes
(b) Golgi bodies
(c) peroxisomes
(d) glyoxysomes

Q-204 You meet a person who has protruding eyes, tachycardia and higher body temperature. He/ She suffers from
(a) hypothyroidism 
(b) hyperthyroidism
(c) acromegaly
(d) diabetes

Q-205 The golgi bodies very common in the secretory cells are originate from
(a) endoplasmic reticulum
(b) chloroplast
(c) mitochondria
(d) lysosome

Q-206 Which one among the following is activated in stress conditions?
(a) Parasympathetic nervous system
(b) Sympathetic nervous system 
(c) Somatic nervous system
(d) Autonomous nervous system

Q-207 The receptors for bitter taste are located at which part of tongue?
(a) Base of tongue
(b) Tip of tongue
(c) Posterior median part of the tongue 
(d) The edges of tongue

Q-208 How do marine animals survive in water without air contact?
(a) They do not require any oxygen 
(b) They take oxygen from water
(c) They only produce oxygen in their body
(d) They get oxygen from water plants

Q-209 Pituitiary has been described as the master gland and its hormones govern other endocrine glands. But which of the following glands does not come under its influence?
(a) Thyroid gland
(b) Adrenal gland
(c) Gonads
(d) Pancreas 

Q-210 The largest amount of physical and chemical molecules present in the cells is
(a) carbohydrates
(b) proteins
(c) lipids
(d) nucleic acids

Q-211 Which of the following is the cause of suffering of aged people from joint pains?
(a) Overproduction of synovial fluids
(b) Drying up of synovial fluids 
(c) Presence of more osteocytes
(d) Absence of osteocytes

Q-212 The vitamin which is generally excreted by humans in urine is
(a) vitamin A
(b) vitamin D
(c) vitamin C 
(d) vitamin E

Q-213 Which of the following hormones is involved in the formation and maturation of RBCs?
(a) Estrone
(b) Erythropoietin 
(c) Thyroxine
(d) Parathormone

Q-214 Consider the following statements
I. The cervical ribs in the Giraffe are seven only
II. All mammals have only seven cervical ribs.
III. The long neck of the Camel is due to elongation of cervical ribs.
IV. The long neck of the Giraffe is due to increase in the number of cervical ribs.
Which of the statements given above are correct?
(a) II, III and IV
(b) II and III
(c) I, II and III 
(d) All of these

Q-215 Milk is unique in its nutritive value. However, it is a poor source of
(a) calcium
(b) iron 
(c) copper
(d) sodium

Q-216 In a particular disease, the woman may possess male like characters like beards and moustaches. This happens because of
(a) hypersecretion of gonads
(b) hypersecretion of thyroid gland
(c) hyposecretion of adrenal gland
(d) hypersecretion of adrenal gland 

Q-217 Which one among the following organs manufacture albumin, fibrinogen and prothrombin?
(a) Bone marrow
(b) Spleen
(c) Liver
(d) Pancreas

Q-218 The vestigial organ, vermiform appendix found in human beings is a part of
(a) small intestine
(b) large intestine
(c) stomach
(d) rectum

Q-219 The initiation factors for protein synthesis are located in
(a) smaller sub-units of ribosomes
(b) larger sub-units of ribosomes
(c) both sub-units of ribosomes
(d) cytoplasm

Q-220 Which of the following is the most important factor for speciation?
(a) Morphological isolation
(b) Ethological isolation
(c) Reproductive isolation
(d) Geographical isolation

Q-221 The ultimate cause of water movement in a plant stem against gravity is
(a) osmosis
(b) transpiration 
(c) photosynthesis
(d) diffusion

Q-222 The genes which confer antibiotic resistance to bacteria are located in
(a) plasmid
(b) nucleoid DNA
(c) RNA
(d) cell wall

Q-223 Select the correct answer
I. Galactose
II. Mannose
III. Lactose
Which of the sugar(s) given above has/have make the mucilage found in some fruits like ‘Bhindi’?”
(a) Only I
(b) I and II
(c) II and III
(d) Only III

Q-224 Which among the following hormones is known as the Emergency hormone?
(a) Thyroxine
(b) Oxytocin
(c) Vasopressin
(d) Adrenalin

Q-225 Which one of the following organelles is the smallest membrane bound organelle?
(a) Ribosomes
(b) Golgi bodies
(c) Lysosome
(d) Nucleolus

Q-226 The vitamin which is very liable and easily destroyed during cooking as well as storage is
(a) vitamin A
(b) vitamin C 
(c) vitamin E
(d) vitamin K

Q-227 The chemical nature of carrier molecules facilitating transport across plasma membrane is
(a) fatty acidis
(b) sugars
(c) nucleic acidis
(d) proteinaceous

Q-228 Which of the following is the X-linked genetic disease?
(a) Becker’s muscular dystrophy
(b) Daltonism
(c) Martin-Bell syndrome
(d) All of tbe above

Q-229 Which of the following vitamins is considered to be a para-thormone?
(a) Vitamin A
(b) Vitamin C
(c) Vitamin D
(d) Vitamin K

Q-230 Which of the following vitamin is helpful for treatment of viral infection?
(a) Vitamin C
(b) Vitamin A
(c) Vitamin B2
(d) Vitamin K

Q-231 Which of the following continent is known as the “Bird continent”?
(a) Africa
(b) Asia
(c) South America
(d) None of these

Q-232 The energy currency of our cell/body is
(a) NAD
(b) GTP
(c) AMP
(d) ATP

Q-233 Yellow cells or chloragogen cells surrounding the intestine of Earthworm performs the function of
(a) respiration
(b) reproduction
(c) excretion
(d) secretion

Q-234 Which among the following is the first hormone produced by genetic engineering?
(a) Insulin
(b) Corticol
(c) Thyroxine
(d) Testosterone

Q-235 Which one among the following nontoxic gases helps in formation of enzymes which ripen fruit?
(a) Acetylene
(b) Ethane
(c) Methane
(d) Carbon dioxide

Q-236 Bacteriophage is
(a) bacterium
(b) fungus
(c) virus
(d) mycoplasm

Q-237 Before X-ray examination (coloured X-ray) of the stomach, patients are given suitable salt of barium because 
(a) barium salts are white in colour and this helps stomach to appear clearly
(b) barium is a good absorber of X-rays and helps stomach to appear clearly 
(c) barium salts are easily available
(d) barium allows X-rays to pass through the stomach

Q-238 The phase of cell cycle during which’DNA polymerase’ is functionally active is
(a) G,-phase
(b) M-phase
(c) S-phase
(d) G2-phase

Q-239 The bacteria were discovered by which of the following person
(a) H Urey
(b) EH Haeckel
(c) AV Leeuwenhoek
(d) Ivanowski

Q-240 Which one among the following is the function of osphradium found in Pila globosa?
(a) Tangoreception
(b) Photoreception
(c) Thermoreception
(d) Chemoreception

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Q-241 Select the correct answer using the codes given below
I. Heparin II. Natural gums III. Agar-agar
Which of the products given above is/are carbohydrates in nature?
(a) Only I
(b) Only III
(c) I and II
(d) I, II and III 

Q-242 Which one among the following is responsible for the expansion of water in the ocean?
(a) Carbon dioxide
(b) Nitrogen dioxide
(c) Carbon monoxide
(d) Sulphur dioxide

Q-243 A person passes much urine and drinks much water but his blood glucose level is normal. This condition may be due to
(a) hypersecretion of androgens from testes
(b) hypersecretion of thyroxine from thyroid gland
(c) hyposecretion of vasopressin from posterior pitutiary gland
(d) hyposecretion of corticosteroids from adrenal gland

Q-244 The word “Taxonomy” was coined by
(a) C Linnaeus
(b) Theophrastus
(c) De Candolle 
(d) Lamarck

Q-245 Plants genes of endangered species are stored in
(a) gen e library
(b) gene bank
(c) herbarium
(d) None of these

Q-246 Which one among the following gases readily combines with the haemoglobin of the blood?
(a) Methane
(b) Nitrogen dioxide 
(c) Carbon monoxide
(d) Sulphur dioxide

Q-247 Which of the following causes leads to mumps in human beings?
(a) Sublingual salivary gland infection
(b) Parotid salivary gland infection 
(c) Maxillary salivary gland infection
(d) All of the above

Q-247 In humans, which one among the following, with reference to breathing, is correct?.
(a) During inhalation, diaphragm relaxes
(b) During exhalation, thorax cavity expands
(c) During inhalation, intra-pleural pressure becomes more negative
(d) Unlike inhalation, normal exhalation is an active process 

Q-248 The sex of a newborn baby is determined by the chromosome inherited from
(a) the mother
(b) the father
(c) mother’s mother
(d) father’s father

Q-249 In which of the following does the germination of the embryo occur when the fruit is still attached to the plant?
(a) Rhizobium
(b) Manginifera
(c) Pineapple
(d) Mangroove plants

Q-250 People recovering from long illness are often advised to include the alga Spirulina in their diet because it
(a) makes the food easy to digest
(b) is rich in proteins 
(c) has antibiotic properties
(d) restores intestinal micro flora

Q-251 To which one of the following types of organisms do mushrooms belong?
(a) Algae
(b) Ferns
(c) Lichens
(d) Fungi

Q-252 The relationship between the epiphytic plants and the host plants is
(a) symbiotic
(b) commensalism
(c) amensalism
(d) mutualism

Q-253 Which among the following hormone has a stimulatory effect on the heart?
(a) Estrone
(b) Erythropoietin
(c) Thyroxine
(d) Epinephrine

Q-254 In which one of the following type of cell divisions does crossing over of chromosomes take place?
(a) Mitosis
(b) Amitosis
(c) Meiosis
(d) Cytokinesis

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