Biology MCQs

31. How many types of joints are present in our body?
[A] 2
[B] 3
[C] 5
[D] 6

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32. Monocytes differentiate into which kind of phagocytic cells?
[A] Neutrophil
[B] B cell
[C] Macrophage
[D] T cell

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33. The Leydig cells which are found in the human body are the secretory source of __
[A] Glucagon
[B] Intestinal mucus
[C] Androgens
[D] Progesterone

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34. Chickenpox is a highly contagious disease caused by the __
[A] Pasteurella pestis
[B] Bacillus anthracis
[C] Bordetella pertussis
[D] Varicella zoster

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35. Which of the following conditions aggravate fungal diseases?
[A] Heat and moisture
[B] Cold and dry
[C] Humid and Cold
[D] Scorching heat

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36. Which of the following is totally impossible outcome of Mendel’s Experiment?
[A] 3 tall 1 short plant
[B] 24 tall and 8 short plants
[C] 8 tall and 0 short plants
[D] 4 tall plants and 1 medium height plant

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37. What is Cystic Fibrosis?
[A] Sex-linked recessive disorder
[B] Autosomal dominant disorder
[C] Autosomal recessive disorder
[D] Sex-linked dominant disorder

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38. Which of the following is the sequence of DNA from where replication begins?
[A] selectable marker
[B] the origin of replication
[C] ter sequence
[D] genetic sequence

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39. Which of the following is an enzyme that cleaves proteins?
[A] protease
[B] RNase
[C] lipase
[D] Dnase

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40. The main protein found in milk is ____:
[A] Globulin
[B] Globin
[C] Casein
[D] Albumin

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