Total Number of Question/s - 4619

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  • 1. The Living World - Quiz


    1. Glycodgen is a polymer of
    a) galactose
    b) glucose
    c) fructose
    d) sucrose

    2. Barophilic prokaryotes
    a) grow slowly in highly alkaline frozen lakes at high altitudes
    b) occur in water containg high concentrations of barium hydroxide
    c) grow and multiply in very deep marine sediments
    d) readily grown and divides in sea water enriched in any soluble salt of barium

  • 2. Origin and Evolution of Life - Quiz


    1. Peripatus is a connecting link between
    a) Ctenphora and Platyhelminthes
    b) Mollusca and Echinodermata
    c) Annelida and Arthropoda
    d) Coelentrata and Porifera

    2. Correct order is
    a) Palaeozoic → Archaeozoic → Coenozoic
    b) Archaeozoic → Palaeozoic → Proterozoic
    c) Palaeozoic → Mesozoic → Coenozoic
    d) Mesozoic → Archaeozoic → Proterozoic

  • 3. Biomolecules - Quiz


    1. If DNA percentage of thymine is 20. What is the percentage of guanine?
    a) 20%
    b) 40%
    c) 30%
    d) 60%

    2. Most diverse macromolecules, found in the cell both physically and chemically are
    a) proteins
    b) carbohydrates
    c) nucleic acids
    d) lipids

  • 4. Enzymes - Quiz


    1. What is common among amylase, rennin and trypsin?
    a) These are all proteins
    b) These are proteolytic enzymes
    c) These are produced in stomach
    d) These act at a pH lower than 7

    2. Enzymes are absent in
    a) algae
    b) fungi
    c) cyanobacteria
    d) viruses

  • 5. Cell and Cell Division - Quiz


    1. Lysosomes have a high content of
    a) hydrolytic enzymes
    b) lipoproteins
    c) polyribosomes
    d) DNA ligases

    2. Nucleoproteins are synthesized in
    a) nucleoplasm
    b) nuclear envelope
    c) nucleolus
    d) cytoplasm

  • 6. Genetics - Quiz


    1. In his experiment, Mendel obtained wrinkled pea. The wrinkling was due to deposition of sugar instead of starch. This happened due to the enzyme
    a) amylase
    b) invertase
    c) diastase
    d) absence of starch-branching enzyme

    2. Chromosomes in a bacterial cell can be 1-3 in number and
    a) can be either circular or linaer, but never both within the same cell
    b) can be circular as well as linear within the same cell
    c) are always circular
    d) are always linear

  • 7. Systematics - Quiz


    1. The closely related morphologically similar sympatric populations, but reproductively isolated, are designated as
    a) clines
    b) demes
    c) clones
    d) sibling species

    2. In the five-kingdom system of classification, which single kingdom out of the following can include blue-green algae, nitrogen-fixing bacteria and methanogenic archaebacteria?
    a) Fungi
    b) Plantae
    c) Protista
    d) Monera

  • 8. Kingdom Monera and Viruses - Quiz


    1. In bacteria, plasmid is
    a) Extra-chromosomal material
    b) Main DNA
    c) Non-functional DNA
    d) Repetitive gene

    2. Which antibiotic inhibits interaction between tRNA and mRNA during bacterial protein synthesis?
    a) Neomycin
    b) Streptomycin
    c) Tetracycline
    d) Erythromycin

  • 9. Kingdom Protista - Quiz


    1. What is true about Trypanosoma?
    a) Polymorphic
    b) Monogenetic
    c) Facultative parasite
    d) Non-pathogenic

    2. Protistan genome has
    a) Membrane bound nucleoproteins embedded in cytoplasm
    b) Free nucleic acid aggregates
    c) Gene containing nucleoproteins condensed together in loose mass
    d) Nucleoprotein in direct contract with cell substance

  • 10. Kingdom Fungi - Quiz


    1. Which fungal disease spreads by seed and flowers?
    a) Loose smut of wheat
    b) Corn stunt
    c) Covered smut of barley
    d) Soft rot of potato

    2. Mycorrhiza represents
    a) Antagonism
    b) Endemism
    c) Symbiosis
    d) Parasitism

  • 11. Plant Kingdom - Quiz


    1. In which one of the following, male and female gametophytes don’t have free living independent existence?
    a) Pteris 
    b) Funaria 
    c) Polytrichum
    d) Cedrus

    2. The floral formula

    is that of 
    a) Tulip
    b) Soybean
    c) Sunnhemp
    d) Tobacco

  • 12. Animal Kingdom - Quiz


    1. Pneumatic bones are expected to be found in 
    a) Pigeon
    b) House lizard
    c) Frog tadpole
    d) Flying fish

    2. A wood boring mollusc/shipworm is
    a) Chiton
    b) Teredo
    c) Limax
    d) Patella

  • 13. Morphology of Flowering Plants - Quiz


    1. Vegetative propagation in mint occurs by
    a) Runner
    b) Offset
    c) Rhizome
    d) Sucker

    2. The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in
    a) Pomegranate
    b) Orange
    c) Guava
    d) Cucumber

  • 14. Anatomy of Plants - Quiz


    1. Where do the Casparian bands occur?
    a) Epidermis
    b) Endodermis
    c) Pericycle
    d) Phloem

    2. What is not true about sclereids?
    a) These are parenchyma cells with thickened lignified walls
    b) These are elongated and flexible with tapered ends
    c) These are commonly found in the shells of nuts and in the pulp of guava, pear etc
    d) These are also called the stone cells

  • 15. Plant-Water Relations - Quiz


    1. Main function of lenticel is
    a) Transpiration
    b) Guttation
    c) Gaseous exchange
    d) Bleeding

    2. Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will be
    a) Movement of water from cell B to A
    b) No movement of water
    c) Equilibrium between the two
    d) Movement of water from cell A to B

  • 16. Plant Nutrition - Quiz


    1. Dough kept overnight in warm weather becomes soft and spongy because of
    a) Absorption of carbon dioxide from atmosphere
    b) Fermentation
    c) Cohesion
    d) Osmosis

    2. Nitrogen-fixation in root nodules of Alnus is brought about by
    a) Bradyrhizobium
    b) Clostridium
    c) Frankia
    d) Azorhizobium

  • 17. Photosynthesis - Quiz


    1. The first carbon dioxide acceptor in C4 - plants is
    a) Phosphoenol-pyruvate
    b) Ribulose 1,5 - diphosphate
    c) Oxalo acetic acid
    d) Phosphoglyceric acid

    2. Which pair is wrong?
    a) C3 Maize
    b) C4 - Kranz anatomy
    c) Calvin cycle - PGA
    d) Hatch and Slack Pathway - Oxalo acetic acid

  • 18. Cellular Respiration - Quiz


    1. In Krebs cycle FAD participates as electron acceptor during the conversion of
    a) Succinyl Co-A to succinic acid
    b) a-ketoglutarate to succinyl Co-A
    c) Succinic acid to fumaric acid
    d) Fumaric acid to malic acid

    2. Terminal cytochrome of respiratory chain which donates electrons to oxygen is
    a) cyt. b
    b) cyt. c
    c) cyt. a1
    d) cyt. a3

  • 19. Plant Growth, Movement and Plant Hormones - Quiz


    1. What will be the effect on phytochrome in a plant subjected to continuous red light?
    a) Level of phytochrome decreases
    b) Phytochrome is destroyed
    c) Phytochrome synthesis increases
    d) Destruction and synthesis of phytochrome remain in equilibrium

    2. Gibberellins induce
    a) Flowering
    b) Production of hydrolyzing enzymes in germinating seeds
    c) Cell division
    d) Hasten leaf senescence

  • 20. Reproduction in Flowering Plants and Plant Embryology - Quiz


    1. In a cereal grain the single cotyledon of embryo is represented by
    a) Coleorhiza
    b) Scutellum
    c) Prophyll
    d) Coleoptile

    2. In the young cob of maize, numerous filamentous hair like structures protruding from its tip are
    a) Hair of seeds
    b) Long styles of carpels
    c) Anthers
    d) Hairy projections from the bracts

  • 21. Animal Tissues - Quiz


    1. Stratum germinativum is an example of which kind of epithelium?
    a) Cuboidal
    b) Ciliated
    c) Columner
    d) Squamous

    2. Which one of the following contains the largest quantity of extracellular meterial?
    a) Myelinated nerve fibres
    b) Striated muscle
    c) Areolar tissue
    d) Stratified epithelium

  • 22. Animal Nutrition and Digestion - Quiz


    1. Duodenum has characteristic Brunner's glands which secrete two hormones called
    a) Kinase, estrogen
    b) Secretin, cholecystokinin
    c) Prolactin, parathormone
    d) Estradion, progesterone

    2. Which one of the following amino acids is an essential part of human diet?
    a) Glycine
    b) Phenylalanine
    c) Serine
    d) Aspartic acid

  • 23. Respiratory Gas Exchange - Quiz


    1. Oxygen dissociation curve of haemoglobin is
    a) Sigmoid
    b) Hyperbolic
    c) Linear
    d) Hypobolic

    2. The alveolar epithelium in the lung is
    a) Non-ciliated columnar
    b) Non-ciliated squamous
    c) Ciliated columnar
    d) Ciliated squamous

  • 24. Circulation of Body Fluids - Quiz


    1. Which of the following is agranulocyte?
    a) Lymphocyte
    b) Eosinophil
    c) Basophil
    d) Neutrophil

    2. Which is the prinicpal cation in the plasma of the blood?
    a) Magnesium
    b) Sodium
    c) Potassium
    d) Calcium

  • 25. Excretion and Osmoregulation - Quiz


    1. Under normal conditions which one is completely reabsorbed in the renal tubule?
    a) Urea
    b) Uric acid
    c) Salts
    d) Glucose

    2. A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of
    a) Fats
    b) Ketones
    c) Amino acids
    d) Glucose

  • 26. Movement and Locomotion - Quiz


    1. Which of the following pairs, is correctly matched?
    a) Hinge joint - between vertebrae
    b) Gliding joint - between zygapophyses of the successive vertebrae
    c) Cartilaginous joint - skull bones
    d) Fibrous joint - between phalanges

    2. The number of floating ribs, in the human body is
    a) 6 pairs
    b) 5 pairs
    c) 3 pairs
    d) 2 pairs

  • 27. Nervous Coordination and Sense Organs - Quiz


    1. In the resting state of the neural membrane, diffusion due to concentration gradients, if allowed, would drive
    a) K+ into the cell
    b) K+ and Na+ out of the cell
    c) Na+ into the cell
    d) Na+ out of the cell

    2. Lvan Pavlov performed experiments on
    a) Simple reflexes
    b) Conditioned reflexes
    c) Cardiac reflexes
    d) Origin of life

  • 28. Hormonal Coordination - Quiz


    1. The function of oxytocin is to help in
    a) Growth
    b) Lactation
    c) Child birth
    d) Gametogenesis

    2. When both ovaries are removed from rat which hormone is decreased in blood?
    a) Oxytocin
    b) Prolactin
    c) Estrogen
    d) Gonadotropic releasing factor

  • 29. Reproduction in Animals and Embryonic Development - Quiz


    1. The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for
    a) Responsiveness to touch
    b) Interaction with the environment and prgressive evolution
    c) Reproduction
    d) Growth and movement

    2. Which one of the following is the most likely reason of not occurring regular menstruation cycle in females?
    a) Fertilization of the ovum
    b) Maintenance of the hypertrophical endometrial lining
    c) Maintenance of high concentration of sex-hormones in the blood stream
    d) Retention of well-developed corpus luteum

  • 30. Growth, Regeneration and Ageing - Quiz


    1. The semilog of per minute growing bacteria is plotted against time. What will be the shape of graph?
    a) Sigmoid
    b) Hyperbola
    c) Ascending straight line
    d) Descending straight line

    2. Choose the correct sequence of stages of growth curve for bacteria
    a) Lag, log, stationary, decline phase
    b) Lag, log, stationary phase
    c) Stationary, lag, log, decline phase
    d) Decline, lag, log phase

  • 31. Ecology and Environment - Quiz


    1. Which one of the following pair is mismatched?
    a) Biomass burning - Release of CO2
    b) Fossil fuel burning - Release f CO2
    c) Nuclear power - Radioactive wastes
    d) Solar energy - Green- house effect

    2. The major contributor of green - house gases to the atmosphere is
    a) Russia
    b) USA
    c) Germany
    d) Brazil

  • 32. Wildlife and Conservation of Natural Resources - Quiz


    1. Soil conservation is
    a) Conversion of sterile soil into fertile one
    b) Aeration of soil
    c) Erosion of soil
    d) Protection against loss

    2. American water plant that has become a troublesome water weed in India is
    a) Cyperus rotundus
    b) Eichhornia crassipes
    c) Trapa latifolia
    d) Trapa bispinosa

  • 33. Domestication and Improvement of Plants - Quiz


    1. Which one of the following pair is wrongly matched?
    a) Methanogens - Gobar gas
    b) Yeast - Ethanol
    c) Streptomycetes - Antibiotic
    d) Coliforms - Vinegar

    2. Which plant will loss its economic value, if its fruits are produced by induced parthenocarpy?
    a) Grape
    b) Pomegranate
    c) Orange
    d) Banana

  • 34. Domestication and Improvement of Animals - Quiz


    1. Pebrine is a disease of
    a) Honey bee
    b) Fish
    c) Silk worm
    d) Lac insect

    2. The first successfully cloned mammals (animal) the gained worldwide publicity was
    a) Molly (a sheep)
    b) Polly (a sheep)
    c) Chance (a bull)
    d) Dolly (a sheep)

  • 35. Disease and Disease Control - Quiz


    1. Which of the following is an opiate narcotic?
    a) Barbiturates
    b) Morphine
    c) Amphetamines
    d) LSD

    2. Hybridoma cells are
    a) Product of spore formation in bacteria
    b) Hybrid cells resulting from myeloma cells
    c) Nervous cells of frog
    d) Only cells having oncogenes

  • 36. Human Population - Quiz


    1. Consider the statement given below regarding contraception and answer as directed thereafter
    (A) Medical Termination of Pregnancy (MTP) during first trimester is generally safe
    (B) Generally chances of cenception are nil until mother breast-feeds the infant upto two year
    (C) Intrauterine devices like copper-T are effective contraceptives
    (D) Contraception pills may be taken upto one week after coitus to prevent conception
    Which two of the above statements are correct?

    a) B, C
    b) C, D
    c) A, C
    d) A, B

    2. Amniocentesis is a process to
    a) Determine any disease in heart
    b) Determine any hereditary disease in the embryo
    c) Know about the disease of brain
    d) All of the above

  • 37. Biofertilizers and Biopesticides - Quiz


    1. The rotenone is
    a) An insect hormone
    b) A bioherbicide
    c) A natural herbicide
    d) A natural insecticide

    2. A biofertilizer is
    a) A cyanobacterium like Anabaena sp. Living in cavities of Azolla leaves
    b) Symbiotic bacteria like Azotobacter which fix atmospheric nitrogen
    c) Farm yard manure consisting of mixture of cattle dung and crop
    d) Green manure in which a quickly growing crop is cultivated and ploughes under

  • 38. Biology in Human Welfare - Quiz


    1. Which of the following plant species you would select for the production of bioethanol?
    a) Brassica
    b) Zea mays
    c) Pongamia
    d) Jatropha

    2. A transgenic food crop which may help in solving the problem of night blindness in developing countries is
    a) Flavr savr tomatoes
    b) Starlink maize
    c) Bt soybean
    d) Golden rice