Biology MCQs

31. A membrane, or sac, that surrounds your heart is called a __.
[A] pericardium
[B] capillaries
[C] vessels
[D] None of these

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32. Why is excretion a vital process in the human body?

  1. It helps to remove waste products from the body.
  2. It helps in maintaining the body’s internal environment by regulating chemical composition.
  3. It aids in the synthesis of crucial biomolecules.
  4. It generates energy by breaking down food substances.

Select the correct option from the codes given below:

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

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33. 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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34. A connective tissue cord extending between the testis and the abdominal wall is known as?
[A] mesenteric cord
[B] gubernaculum
[C] testis cord
[D] spermatic cord

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35. Listeriosis is a serious infection caused by __
[A] Listeria pestis
[B] Listeria monocytogenes
[C] Listeria papillomavirus
[D] None of these

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36. ____ being a higher category, is the assemblage of families which exhibit a few similar characters:

[A] Class
[B] Species
[C] Genus
[D] Order

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37. Lungs are the primary organs of ____:
[A] Digestion
[B] Respiration
[C] Constipation
[D] Perspiration

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38. How the rate of absorption of water through roots can be increased?
[A] Keeping the plants under the fan
[B] Keeping the plants in the dim light
[C] Keeping the plants in the shade
[D] Covering the plants with a polythene bag

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39. Which of the following is an example of Ball and Socket joint in humans?
[A] Hip Joint
[B] Neck Joint
[C] Wrist Joint
[D] Finger Joint

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40. BT seed is associated with ____:
[A] Rice
[B] Cotton
[C] Wheat
[D] Oil seeds

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