Structural Organisation in Animals

Q1. Fats are richly found in:

  1. Alveolar tissue.
  2. Lymph glands.
  3. Adipose tissue.
  4. Liver cells.
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Ans: 3. Adipose tissue.

Q2. At high altitude, the RBCs in the human blood will.

  1. Increase in size.
  2. Decrease in size.
  3. Increase in number.
  4. Decrease in number.
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Ans: 3. Increase in number.

Q3. Young one of the cockroach is called:

  1. Nymph.
  2. Naid.
  3. Grub.
  4. Maggot.
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Ans: 1. Nymph.

Q4. What is the phenomenon of ‘paurometabolous’ in cockroach?

  1. Process of external fertilisation.
  2. Process of internal fertilisation.
  3. Direct development.
  4. Development through nymph stage.
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Ans: 4. Development through nymph stage.

Q5. Which one of the following contains the largest quantity of extracellular material?

  1. Myelinated nerve fibres.
  2. Striated muscle.
  3. Areolar tissue.
  4. Stratified epithelium.
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Ans: 3. Areolar tissue.

Q6. What is the function of prostomium in Pheretima?

  1. Covering of mouth.
  2. Used as wedge to dig the soil.
  3. Both (a) and (b).
  4. Only (b).
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Ans: 3. Both (a) and (b)

Q7. Which one of the following statements is true for cockroach?

  1. The number of ovarioles in each ovary are ten.
  2. The larval stage is called caterpillar.
  3. Anal styles are absent in females.
  4. They are ureotelic.
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Ans: 3. Anal styles are absent in females.

Q8. Frogs are beneficial to us because:

  1. They protect crops.
  2. They links food web.
  3. They are food to man.
  4. All of these.
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Ans: 4. All of these.

Explanation:
Frogs are beneficial to man because they protect crops and eat insects. They maintain ecological balance. They link food chain and
food web. Muscular leg of frog is used as food by man.

Q9. Neuroglial cells are found in:

  1. Liver and kidney.
  2. Brain and spinal cord.
  3. Liver and brain.
  4. Spinal cord only.
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Ans: 2. Brain and spinal cord.

Q10. Which of the following is absent in female frog?

  1. Webbed feet.
  2. Copulatory pads.
  3. Tympanum.
  4. All are present.
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Ans: 2. Copulatory pads.
Explanation:
Copulatory pads are absent in female frog. These are present on the first digit of the fore limbs.

Q11. Squamous epithelium are found in which of the following places?

  1. Lining of small intestine.
  2. Lining of Heart.
  3. Lining of blood vessels.
  4. Skin.
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Ans: 3. Lining of blood vessels.

Q12. Spot the salivary gland in the following:

  1. Sublingual
  2. Adrenal
  3. Brunner’s
  4. Lacrimal
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Ans: 1. Sublingual

Q13. Which of the following helps in locomotion of earthworms?

  1. Clitellum
  2. Setae
  3. Intersegmental grooves
  4. Nephridiophores
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Ans: 2. Setae
Explanation:
Setae helps in locomotion of earthworms.

Q14. Malpighian tubules are the excretory organs in:

  1. Cockroach.
  2. Platyhelminthes.
  3. Ascaris.
  4. Pila.
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Ans: 1. Cockroach.

Q15. The life span of human WBC is approximately.

  1. Less than 10 days.
  2. Between 20 to 30 days.
  3. Between 2 to 3 months.
  4. More than 4 months.
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Ans: 1. Less than 10 days.

Q16. Tendon is made up of:

  1. Adipose tissue.
  2. Modified white fibrous tissue.
  3. Areolar tissue.
  4. Yellow fibrous connective tissue.
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Ans: 2. Modified white fibrous tissue.

Q17. What is the name of structure which makes the compound eyes of a cockroach?

  1. Optictidium.
  2. Ommatidium.
  3. Lens-globules.
  4. Microtidium.
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Ans: 2. Ommatidium.

Q18. Epithelial tissue with thin flat cells appearing like packed tiles occurs on:

  1. Inner lining of cheek.
  2. Inner lining of stomach.
  3. Inner lining of fallopian tubes.
  4. Inner lining of ovary.
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Ans: 1. Inner lining of cheek.

Q19. The type of cells, which line the inner surface of fallopian tubes and bronchioles is:

  1. Simple squamous epithelial cells.
  2. Ciliated epithelial cells.
  3. Simple cuboidal epithelial cells.
  4. Stratified squamous epithelial cells.
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Ans: 2. Ciliated epithelial cells.

Q20. Which is the principal cation in the plasma of the blood?

  1. Magnesium.
  2. Sodium.
  3. Potassium.
  4. Calcium.
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Ans: 2. Sodium.

Q21. Intercalated discs are the communication junctions between the cells of:

  1. Cardiac muscles.
  2. Striped muscles.
  3. Adipose tissue.
  4. Nerve and striated muscles.
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Ans: 1. Cardiac muscles

Q22. What used to be described as Nissl’s granules in a nerve cell are now identified as:

  1. Ribosomes.
  2. Mitochondria.
  3. Cell metabolites.
  4. Fat granules.
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Ans: 1. Ribosomes.

Q23. Blood group AB has:

  1. No antigen.
  2. No antibody.
  3. Neither antigen nor antibody.
  4. Both (a) and (b).
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Ans: 2. No antibody.

Q24. Sickle cell anaemia is due to:

  1. Change of amino acid in a-chain of haemoglobin.
  2. Change of amino acid in b-chain of haemoglobin.
  3. Change of amino acid in both a and b chains of haemoglobin.
  4. Change of amino acid in either a or bchain of haemoglobin.
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Ans: 2. Change of amino acid in b-chain of haemoglobin.

Q25. Lymph differs from blood in possessing:

  1. Only WBCs.
  2. More RBCs and WBCs.
  3. More RBCs and few WBCs.
  4. More WBCs and few RBCs.
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Ans: 1. Only WBCs.

Q26. What is the name of muscle fibres?

  1. Muscular fibre.
  2. Fibrous tissue.
  3. Myofibril.
  4. Fibrosa.
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Ans: 3. Myofibril.

Q27. Mast cells of connective tissue contain.

  1. Vasopressin and relaxin.
  2. Heparin and histamine.
  3. Heparin and calcitonin.
  4. Serotonin and melanin.
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Ans: 2. Heparin and histamine.

Q28. Which is not a part of reproductive system of female cockroach?

  1. Phallic gland
  2. Vestibulum
  3. Gonapophysis
  4. Collateral glands
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Ans: 1. Phallic gland

Q29. The Nissl’s granules of nerve cell are made up of:

  1. Ribosomes.
  2. Protein.
  3. DNA.
  4. RNA.
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Ans: 1. Ribosomes.

Q30. Collagen is:

  1. Fibrous protein.
  2. Globular protein.
  3. Lipid.
  4. Carbohydrate.
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Ans: 1. Fibrous protein.