Biology MCQs

31. Which of the following can cause hepatitis?
[A] an improperly functioning immune system
[B] alcohol and medicines
[C] viruses
[D] All of the above

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32. Which of the following is not a Degenerative disease?
[A] Hypertension
[B] Atherosclerosis
[C] Obesity
[D] Alzheimer’s disease

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33. What is ELISA?
[A] Using radiolabelled second antibody
[B] Usage of RBCs
[C] Using complement-mediated cell lysis
[D] Addition of substrate that is converted into a colored end product

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34. Which of the following increases the rate of heart beat?
[A] Peripheral nerves
[B] Parasympathetic nerves
[C] Sympathetic nerves
[D] Cranial nerves

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35. ____ is a straw coloured, viscous fluid constituting nearly 55 per cent of the blood:
[A] Plasma
[B] Formed Elements
[C] Blood Groups
[D] Coagulation of Blood

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36. Night Blindness is caused by the deficiency of Vitamin ___:
[A] Vitamin A
[B] Vitamin C
[C] Vitamin K
[D] Vitamin B12

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37. Which one of the following animals belongs to mollusca?
[A] Haliotis
[B] Hare
[C] Hydra
[D] Hyla

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38. The harmful substances produced by the microbes are known as ____:
[A] Toxins
[B] Hormones
[C] Pollutants
[D] Antibiotics

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39. Which vitamin deficiency causes the disease, Pernicious anaemia?
[A] Vitamin B5
[B] Vitamin B6
[C] Vitamin B12
[D] Vitamin C

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40. The concept of tissue culture was introduced by ____:
[A] Hanstein
[B] Halfmeister
[C] Haberlandt
[D] Hanning

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