Biology MCQs

31. What is the function of the vena cava in the excretory system?
[A] form a network between the arteries to veins
[B] return deoxygenated blood from the body and the head to the heart
[C] Both 1 and 2
[D] None of these

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32. What are the symptoms of suffering from kidney disease?
[A] High blood pressure
[B] Respiration problem
[C] Swelling on the face, legs, etc.
[D] All of the above

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33. What part of the nephron is responsible for blood pressure-driven filtration?
[A] distal tubule
[B] loop of Henle
[C] glomerulus
[D] Urethra

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34. Which is the Growth hormone inhibiting hormone?
[A] FSH
[B] TRH
[C] GHRH
[D] Somatostatin

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35. Which gland is also known as the “third eye”?
[A] Adrenal glands
[B] Gonads
[C] Pineal gland
[D] None of these

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36. Which of the following is a type of inheritance?
[A] Complete dominance
[B] Sex-linked
[C] Incomplete dominance
[D] All of the above

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37. The bioethanol is subjected to rectification to remove?
[A] Sugar
[B] Enzymes
[C] Yeast
[D] Impurities

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38. Chicken Pox is caused by which micro-organism?

[A] Virus
[B] Bacteria
[C] Protozoa
[D] Fungus

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39. The biological process in which both aerobes and anaerobes degrade organic matter is ____:
[A] Digesting
[B] Composting
[C] Manuring
[D] Nutrifying

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40. The part of the stem where a leaf arises is known as ___:
[A] Carpel
[B] Bud
[C] Node
[D] Tuber

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