Biology MCQs

1. How many pairs of ribs are there in a human body?
[A] 10 pairs
[B] 12 pairs
[C] 14 pairs
[D] 16 pairs

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2. Beriberi is a result of deficiency of which of the following?
[A] Riboflavin
[B] Thaimine
[C] Pyridoxine
[D] Cobalamine

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3. With which of the following animals Galton’s whistle is most commonly associated?
[A] Horses
[B] Dogs
[C] whales
[D] Shark

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4. Which among the following is NOT a true bast fiber?
[A] Jute
[B] Hemp
[C] Flax
[D] Cotton

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5. The major difference between cartilage and bone is that:
[A] While Bone is a part of skeletal system, cartilage is a part of some other system
[B] While bone is made of collagen and calcium salts, cartilage is made of only collagen
[C] While bones have blood vessels, Cartilage have no blood vessels
[D] All of the above statements are correct

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6. With reference to cellular organization, consider the following:

  1. Fungi
  2. Bacteria
  3. Algae
  4. Protozoa

Which of the above possess eukaryotic cells?

[A] Only 3 and 4
[B] Only 1 and 2
[C] 1, 2, 3 and 4
[D] Only 1, 3 and 4

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7. Which of the following is responsible for giving colour to human skin?
[A] Haemoglobin
[B] Melanin
[C] Luciferin
[D] Flavonoids

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8. For developing in bred lines in farm animals, following factors are taken into consideration:

  1. The crossbreds should be of outstanding type.
  2. They should not carry any detrimental genes.
  3. Progeney tested animals.
  4. Herd size should be large.

Of the statements given above, which one of the following combinations of factors is most essential?

[A] 1 and 3
[B] 2 and 3
[C] 1 and 4
[D] 2 and 4

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9. Which among the following is not a fat soluble vitamin?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin K
[D] Vitamin D

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10. To which of the following kingdoms does the yeast belong to?
[A] Bacteria
[B] Virus
[C] Fungus
[D] None of the above.

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