Class/Course - Medical Entrance

Subject - Biology

Total Number of Question/s - 4619

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  • 1. The Living World - Quiz

    1. If there was no CO2 in the earth's atmosphere the temperature of earth's would be
    a) higher than the present
    b) less than the present
    c) the same
    d) dependent on the amount of oxygen in the atmosphere

    2. Reason of diversity in living being is
    a) mutation
    b) gradual change
    c) long term evolutionary change
    d) short term evolutionary change

  • 2. Origin and Evolution of Life - Quiz

    1. Industrial melamism is an example of
    a) defensive adaptation of skin against ultraviolet radiations
    b) drug resistance
    c) darkening of skin due to smoke from industries
    d) protective resemblance with the surroundings

    2. Evolutionary history of an organism is known as
    a) Ancestry
    b) Palaeonotology
    c) Ontogeny
    d) Phylogeny

  • 3. Biomolecules - Quiz

    1. In RNA, thymine is replaced by
    a) adenine
    b) guanine
    c) cytosine
    d) uracil

    2. Lipids are insoluble in water because lipid molecules are
    a) hydrophilic
    b) hydrophobic
    c) neutral
    d) Zwitter ions

  • 4. Enzymes - Quiz

    1. Which of the following is not a part of enzyme but it activates the enzyme?
    a) K
    b) C
    c) N
    d) Si

    2. Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these
    a) help in regulating metabolism
    b) are exclusvely synthesized in the body of a living organism as at present
    c) are conjugated proteins
    d) enhance oxidation metabolism

  • 5. Cell and Cell Division - Quiz

    1. Cell organelles having hydrolases/digestive enzymes are
    a) peroxisomes
    b) lysosomes
    c) ribosomes
    d) mesosomes

    2. Mitotic spindle is mainly composed of which protein?
    a) Actin
    b) Myosin
    c) Actomyosin
    d) Myoglobin

  • 6. Genetics - Quiz

    1. Which of the following is related to genetic engineering?
    a) Mutation
    b) Plasmid
    c) plastids are inherited from female parent
    d) Heterosis

    2. A normal green male maize is crossed with albino female. The progeny is albino because
    a) trait for albinism is dominant
    b) the albinos have biochemical to destroy plastids derived from green male
    c) plastids are inherited from female parent
    d) green plastids of male must have mutated

  • 7. Systematics - Quiz

    1. The term Phylum was given by
    a) Cuvier
    b) Haeckel
    c) Theophrastus
    d) Linnaeus

    2. Artificial system of classification was first used by
    a) Linnaeus
    b) de Condolle
    c) Pliny
    d) Bentham and Hooker

  • 8. Kingdom Monera and Viruses - Quiz

    1. T O Diener discovered a
    a) Free infectious RNA
    b) Free infectious DNA
    c) Infectious protein
    d) Bacteriophage

    2. Which of the following statements is not true for retroviruses?
    a) DNA is not present at any stage in the life cycle of retroviruses
    b) Retroviruses carry gene for RNA dependent DNA polymerase
    c) The genetic material in mature retroviruses is RNA
    d) Retroviruses are causative agents for certain kinds of cancer in man

  • 9. Kingdom Protista - Quiz

    1. In Amoeba and Paramecium osmoregulation occurs through
    a) Pseudopodia
    b) Nucleus
    c) Contractile vacuole
    d) General surface

    2. Which of the following organisms possesses characteristics of both a plant and an animal?
    a) Bacteria
    b) Mycoplasma 
    c) Euglena
    d) Paramecium

  • 10. Kingdom Fungi - Quiz

    1. Absorptive heterotrophic nutrition is exhibited by
    a) Algae
    b) Fungi
    c) Bryophytes
    d) Pteridophytes

    2. In fungi stored food material is
    a) Glycogen
    b) Starch
    c) Sucrose
    d) Glucose

  • 11. Plant Kingdom - Quiz

    1. In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times, as a result
    a) There is no change in success rate of fertilization
    b) There is high degree of sterility
    c) One can conclude that the plant is apomictic
    d) Self fertilization is prevented

    2. Which of the following plants produces seeds but not flowers?
    a) Maize
    b) Mint
    c) Peepal
    d) Pinus

  • 12. Animal Kingdom - Quiz

    1. Association between sucker fish (Remora) and shark is
    a) Commensalism
    b) Symbiosis
    c) Predation
    d) Parasitism

    2. The layer of actively dividing cells of skin is termed as
    a) Strantum
    b) Stratum corneum
    c) Stratum Malpighi/stratum germinativum
    d) Startum lucidum

  • 13. Morphology of Flowering Plants - Quiz

    1. Floral formula of tomato/tobacco is

    2. Oil reserve of groundnut is present in
    a) Embryo
    b) Cotyledons
    c) Endosperm
    d) Underground tubers

  • 14. Anatomy of Plants - Quiz

    1. Which of the following meristems is responsible for extrastelar secondary growth in dicotyledonous stem?
    a) Intrafascicular cambium
    b) Interfascicular cambium
    c) Intercalary meristem
    d) Phellogen

    2. Pith and cortex do not differentiate in
    a) Monocot stem
    b) Dicot stem
    c) Monocot root
    d) Dicot root

  • 15. Plant-Water Relations - Quiz

    1. Water entering root due to diffusion is part of
    a) Endosmosis
    b) Osmosis
    c) Passive absorption
    d) Active absorption

    2. The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of
    a) Lignified thick walls
    b) Cohesion and adhesion
    c) Weak gravitational pull
    d) Transpiration pull

  • 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. The core metal of chlorophyll is
    a) Iron
    b) Magnesium
    c) Nickel
    d) Copper

  • 17. Photosynthesis - Quiz

    1. In the leaves of C4 - plants, malic acid formation during CO2 fixation occurs in the cells of
    a) Mesophyll
    b) Bundle sheath
    c) Phloem
    d) Epidermis

    2. Which one of the following statements about cytochrome P450 is wrong?
    a) It contains iron
    b) It is an enzyme involved in oxidation reactions
    c) It is a coloured cell
    d) It has an important role in metabolism

  • 18. Cellular Respiration - Quiz

    1. Fermentation products of yeast are
    a) H2O + CO2
    b) Methyl alcohol + CO2
    c) Methyl alcohol + H2 O
    d) Ethyl alcohol + CO2

    2. All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is
    a) Lactate dehydrogenase
    b) Isocitrate dehydrogenase
    c) Malate dehydrogenase
    d) Succinate dehydrogenase

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

    1. Leaves of many grasses are capable of folding and unfloding because they
    a) Are very thin
    b) Are isobilateral
    c) Have specialized bulliform cells
    d) Have parallel vascular bundles

    2. Anthesis is a phenomenon which refers to
    a) Reception of pollen by stigma
    b) Formation of pollen
    c) Development of anther
    d) Opening of flower bud

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

    1. What is the direction of micropyle anatropous ovule?
    a) Upward
    b) Downward
    c) Right
    d) Left

    2. Chief pollinators of agricultrual crops are
    a) Butterflies
    b) Bess
    c) Moths
    d) Beetles

  • 21. Animal Tissues - Quiz

    1. Formation of cartilage bones involves
    a) Deposition of bony matter by osteoblasts and resorption by chondroclasts
    b) Deposition of bony matter by osteoclasts and resorption by chondroblasts
    c) Deposition of bony matter by osteoclasts only
    d) Deposition of bony matter by osteoblasts only

    2. Areolar connective tissue joins
    a) Integument with muscles
    b) Bones with muscles
    c) Bones with bones
    d) Fat body with muscles

  • 22. Animal Nutrition and Digestion - Quiz

    1. A dental disease characterised by moltting of teeth is due to the presence of a certain chemical element in drinking water. Which of the following is that element?
    a) Mercury
    b) Chlorine
    c) Fluorine
    d) Boron

    2. Which one of the following stratement is true regarding digestion and absorption of food in humans?
    a) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
    b) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+.
    c) Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries.
    d) About 60% of starch is hydrolysed by salivary amylase in our month.

  • 23. Respiratory Gas Exchange - Quiz

    1. The process of migration of chloride ions from plasma to RBC and of carbonate ions from RBC to plasma is
    a) Chloride shift
    b) Ionic shift
    c) Atomic shift
    d) Na+ pump

    2. Blood analysis of a patient reveals an unusually high quantity of carboxyhaemoglobin content. Which of the following conclusions is most likely to be correct?
    a) The patient has been inhaling polluted air containing unusually high content of carbon disulphide
    b) The patient has been inhaling polluted air containing unusually high content of chloroform
    c) The patient has been inhaling polluted air containing unusually high content of carbon dioxide
    d) The patient has been inhaling polluted air containing unusually high content of carbon monoxide

  • 24. Circulation of Body Fluids - Quiz

    1. In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be
    a) B
    b) O
    c) AB
    d) A

    2. Which one engulfs pathogens rapidly?
    a) Acidophils
    b) Monocytes
    c) Basophils
    d) Neutrophils

  • 25. Excretion and Osmoregulation - Quiz

    1. Glucose is taken back from glomerular filtrate through
    a) Active transport
    b) Passive trasnport
    c) Osmosis
    d) Diffusion

    2. Solenocytes are the main excretory structures in
    a) Annelids
    b) Molluscs
    c) Echinodermates
    d) Platyhelminthes

  • 26. Movement and Locomotion - Quiz

    1. ATPase enzyme needed for muscle contraction is located in
    a) Actinin
    b) Troponin
    c) Myosin
    d) Actin

    2. Tendon is made up of
    a) Adipose tissue
    b) Modified white fibrous tissue
    c) Areolar tissue
    d) Yellow fibrous connective tissue

  • 27. Nervous Coordination and Sense Organs - Quiz

    1. Given below is a diagrammatic cross section of single loop of human cochlea.

    Which one of the following options correctly  represents the names of three different parts.
    a) B : Tectorial membrane
    C : Periymph
    D : Secretory cells
    b) C : Endolymph
    D : Sensory hair cells
    A : Serum
    c) D : Sensory hair cells
    A : Endolymph
    B : Tectorial membrane
    d) A : Perilmph
    B : Tectorial membrane
    C : Endolymph

    2. Afferent nerve fibres carry impulses from
    a) Effector organs to CNS
    b) Receptors to CNS
    c) CNS to receptors
    d) CNS to muscles

  • 28. Hormonal Coordination - Quiz

    1. Which of the following radioactive isotope is used in the detection of thyroid cancer?
    a) Ioding - 131
    b) Carbon - 14
    c) Uranium - 238
    d) Phosphorus - 32

    2. Secretion of progesterone by corpus luteum is initiated by
    a) Thyroxine
    b) LH
    c) MSH
    d) Testosterone

  • 29. Reproduction in Animals and Embryonic Development - Quiz

    1. Bartholins glands are situated
    a) On either side of vagina in humans
    b) On either side of vas deference in humans
    c) On the sides of the head of some amphibians
    d) At the reduced tail end of birds

    2. Cells become variable in morphology and function in different regions of the embryo. The process is
    a) Differentiation
    b) Metamorphosis
    c) Organization
    d) Rearrangement

  • 30. Growth, Regeneration and Ageing - Quiz

    1. The process of series of changes from larva to adult, after embryonic development is called
    a) Regeneration
    b) Metamorphosis
    c) Growth
    d) Ageing

    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. In an ecosystem, which one shows one-way passage
    a) Free energy
    b) Carbon
    c) Nitrogen
    d) Potassium

    2. Keystone species in an ecosystem are those which
    a) Are present in maximm number
    b) Are most frequent
    c) Attain a large biomass
    d) Contribute to ecosystem properties

  • 32. Wildlife and Conservation of Natural Resources - Quiz

    1. Which of the following is considered a hot-spot of biodiversity in India?
    a) Western ghats
    b) Indo-Gangetic plain
    c) Eastern ghats
    d) Aravalli hills

    2. One of the most important function of botanical garden is that
    a) One can observe tropical plants there
    b) They allow ex sity conservation of germplasm
    c) They provide the natural habitat for wild life
    d) They provide a beautiful area for recreation

  • 33. Domestication and Improvement of Plants - Quiz

    1. Why is vivipary an undesirable character for annual crop plants?
    a) It reduces the vigour of plant
    b) The seeds cannot be stored under normal conditions for the next season
    c) The seeds exhibit long dormancy
    d) It adversely affects the fertility of the plant

    2. Haploid plant cultures are got from
    a) Leaves
    b) Root tip
    c) Pollen grain
    d) Buds

  • 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. Which one of the following pair is mismatched?
    a) Pila globosa - Pearl
    b) Apis indica - Honey
    c) Kenia lacca - Lac
    d) Bombyx mori - Silk

  • 35. Disease and Disease Control - Quiz

    1. Botulism caused by Clostridium botulinum affects the
    a) Spleen
    b) Intestine
    c) Lymph glands
    d) Neuromuscular junction

    2. Which one of the following correctly matches a Sexually Transmitted Disease (STD) with its pathogen?
    a) AIDS - Bacillus anthracis
    b) Syphilis - Treponema pallidum
    c) Urethritis - Entamoeba gingivalis
    d) Gonorrhoea - Leishmania donovani

  • 36. Human Population - Quiz

    1. Random genetic drift in a population probably results from
    a) Constant low mutation rate
    b) Large population size
    c) Highly genetically variable individuals
    d) Interbreeding within this population

    2. Genetic drift operates only in
    a) Island populations
    b) Smaller populations
    c) Larger populations
    d) Mendelian populations

  • 37. Biofertilizers and Biopesticides - Quiz

    1. A free-living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is
    a) Tolypothrix
    b) Chlorella
    c) Nostoc
    d) Anabaena

    2. During anaerobic digestion of organic waste, such as in producing bio gas, which one of the following is left undegraded?
    a) Hemicellulose
    b) Cellulose
    c) Lipids
    d) Lignin

  • 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. Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yeild?
    a) Frequent irrigation of the crop
    b) Treatment of the plants with cytokinins alongwith a small dose of nitrogenous fertilizer
    c) Removal of all yellow leaves and spraying the remaining freen leaves with 2, 4, 5, - trichlorophenoxy acetic acid
    d) Application of iron and magnesium to promote synthesis of chlorophyll