Competitive Exams: Zoology MCQs (Practice-Test 97 of 112)

  1. Vasopressin helps in

    1. water absorption

    2. calcium absorption

    3. lipolysis

    4. insulin release

  2. Which of the following are metabolized in the cell for the liberation. Of energy?

    1. Amino acids

    2. Carbohydrates

    3. Fatty acids

    4. Vitamins

    Select the. Correct answer using the codes given below:

    1. 1, 2 and 3

    2. 2, 3 and 4

    3. 2 and 4

    4. 3 and 4

  3. Lowered pH results in

    1. increase in O2 affinity of respiratory pigments

    2. decrease in O2 affinity of respiratory pigments

    3. decrease in the number of red blood corpuscles

    4. increase in the number of red blood corpuscles

  4. Which one of the following pairs is NOT correctly matched? Osmoregulation Ability

      • Volume conformers
      • Animals with little ability to regulate internal ionic concentrations
      • Osmo conformers
      • Animals capable of osmoregulating with changes in the external environment
      • Ionic conformers
      • Animals with little ability to regulate internal ionic concentrations with changes in the external environment
      • Osmoregulators
      • Animals that maintain internal osmotic concentration at a constant level as the external environment changes
  5. Match List I (Protein) with List II (Type) and select the correct answer using the codes given below:

    List-I List-II
    1. Albumin

    2. 3lycoprotein

    3. Collagen

    4. Glutelins

    1. Plant Protein

    2. Fibrous. Protein

    3. Conjugated Protein

    4. Globular Protein

    • A
    • B
    • C
    • D
      • 4
      • 3
      • 1
      • 2
      • 2
      • 3
      • 1
      • 4
      • 4
      • 3
      • 2
      • 1
      • 2
      • 3
      • 1
      • 4
  6. Match List I (Hormone) with List II (Target) and select the correct answer:

    List-I List-II
    1. ACTH

    2. Proclactin

    3. TSH

    4. Oxytocin

    1. Thyroid

    2. Adrenal cortex

    3. Mammary gland

    4. Smooth muscle of uterine wall

    • A
    • B
    • C
    • D
      • 1
      • 2
      • 3
      • 4
      • 2
      • 3
      • 1
      • 4
      • 2
      • 3
      • 4
      • 1
      • 3
      • 4
      • 1
      • 2
  7. Match List I (Organs) with List II (Hormone) and select the correct answer:

    List-I List-II
    1. Adenohypophysis

    2. Ovary

    3. Prothoracic gland

    4. Alpha cells of islets of Langerhans

    1. Ecdyscne

    2. Glycagon

    3. Luteinising hormone

    4. Insulin

    5. Progesterone

    • A
    • B
    • C
    • D
      • 3
      • 5
      • 1
      • 2
      • 3
      • 4
      • 1
      • 2
      • 1
      • 3
      • 5
      • 4
      • 4
      • 3
      • 5
      • 2
  8. Which of the following substances function as neurotransmitters?

    1. Catecholamine

    2. Acetylcholine

    3. Physostigmine

    4. Pilocarpine

    Select the correct answer using the codes given below

    1. 1 and 3

    2. 1 and 2

    3. 3 and 4

    4. 2 and 3

  9. Many teleost fishes have a band of red muscles along their lateral sides. These muscles are red in colour due to

    1. excess haemoglobin content in the blood of these muscles

    2. very high supply of blood to these muscles

    3. the presence of more myoglobin in these muscle fibres

    4. the presence of chlorocruorin in these muscles

  10. Which one of the following represents the correct direction of passage of an impulse in a multipolar heteropolar neuron?

    1. Dendrites soma-axon-terminal arborization

    2. Collaterals-axon-soma-dendrites

    3. Dendrites-axon-soma-collaterals

    4. Soma-dendrites-axon-terminal arborizations

  11. Which one of the following sets of organs is of ectodermal origin in frog?

    1. Epidermis, mucous glands and optic vesicle

    2. Bram, aorta and thyroid gland

    3. Pharynx, spinal cord and blood cell

    4. Heart, cranial nerves and liver

  12. The functional kidney of the frog is

    1. nephros

    2. pronephros

    3. metanephros

    4. opisthonephros

  13. Precocious metamorphosis can be induced in frog tadpole by treating with

    1. growth hormone

    2. adrenocortico tropic hormone (ACTH)

    3. follicle stimulating hormone (FSH)

    4. thyroxine

  14. Morphogenetic movements in ectogermal cells during early embryology of frog is termed as

    1. invagination

    2. emboly

    3. involution

    4. epiboly

  15. If the two blastomeres of a cleaving embryo of frog at 2-cell stage are carefully separated, which one of the following will be the fate of the blastomeres?

    1. Both of them will die

    2. Each of them will give rise to a perfectly normal embryo

    3. the two will develop into two half embryos, one right half and the other left half

    4. one will develop into an anterior half of the embryo, and the other a posterior half