Biology MCQs

31. Which of the following diseases is caused by protozoa?
[A] Whooping cough
[B] Amoebic dysentery
[C] Measles
[D] Athlete’s foot

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32. Which of the following diseases is not caused by the RNA virus?
[A] Yellow fever
[B] Smallpox
[C] Mumps
[D] German measles

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33. Which of the following ringworm is also called Tinea barbae?
[A] Ringworm of Scalp
[B] Ringworm of Beard
[C] Ringworm of Body
[D] Ringworm of Groin

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34. Bacteria protect themselves from viruses by fragmenting viral DNA?
[A] Ligase
[B] Endonuclease
[C] Exonuclease
[D] Gyrase

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35. Which of the following is NOT a function of restriction enzymes?
[A] Cleaving DNA at specific sites
[B] Generating fragmentation patterns of DNA
[C] Creating recombinant DNA
[D] Synthesizing new DNA strands

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36. Green Revolution related to which of the following?
[A] Milk
[B] Agriculture
[C] Water
[D] Animals

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37. Leptospirosis is a disease caused by ____:
[A] Fungus
[B] Protozoa
[C] Virus
[D] Bacteria

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38. Which one of the following is the smallest endocrine gland in human body?
[A] Pancreas
[B] Thyroid
[C] Pituitary
[D] Adrenal

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39. Which of the following statement is incorrect?
[A] Each sperm is a single cell
[B] Oviparous animal does not give birth to young ones
[C] External fertilisation takes place in frog
[D] Fertilisation is necessary even in asexual reproduction

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40. Which one of the following animals is sanguinivorous?
[A] Fruit-fly
[B] Mosquito
[C] House-fly
[D] Snail

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