Biology MCQs

31. Consider the following functions of the stomach:

  1. Temporarily store food
  2. Contract and relax to mix and break down food
  3. Produce enzymes and other specialized cells to digest food

Which of the above statements is / are correct?

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

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32. Which of the following gland of the body produces antibodies?
[A] Thymus gland
[B] Thyroid gland
[C] Pineal gland
[D] Adrenal gland

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33. Which gland stimulates the adrenal gland to secrete cortisol?
[A] Pituitary gland
[B] Thyroid gland
[C] Parathyroid glands
[D] Adrenal glands

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34. Initiates and maintains milk production in breasts:
[A] Prolactin
[B] Renin and angiotensin
[C] Oxytocin
[D] Erythropoietin

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

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36. What is Southern blotting?
[A] Attachment of probes to DNA fragments
[B] Transfer of DNA fragments from electrophoretic gel to a nitrocellulose sheet
[C] Comparison of DNA fragments to two sources
[D] Transfer of DNA fragments to electrophoretic gel from cellulose membrane

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37. 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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38. Which nematode infects the roots of tobacco plants?
[A] Meloidogyne incognitia
[B] Ditylenchus dipsaci
[C] Xiphinema index
[D] Nacobbus aberrans

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39. Which protein helps in DNA winding?
[A] Helicase
[B] Histone
[C] Lipase
[D] Cellulase

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40. Jaundice is a symptom of disease of
____:
[A] Kidney
[B] Liver
[C] Pancreas
[D] Thyroid

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