Biology MCQs

31. Which is the smallest Endocrine gland?
[A] Pituitary gland
[B] Pineal gland
[C] Pineal gland
[D] Adrenal gland

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32. Which of the following is not a female hormone?
[A] Oxytocin
[B] Testosterone
[C] Estrogen
[D] Progesterone

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33. Which of the following secretes relaxin during pregnancy?
[A] Corpus luteum
[B] Antidiuretic hormone
[C] Prolactin
[D] Adrenaline

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34. What is the number of autosomes in a human primary sperm cell?
[A] 46
[B] 44
[C] 23
[D] 22

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35. 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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36. Which of the following is not a symptom of rinderpest?
[A] dysentery
[B] fever
[C] overcrowding
[D] blue urine

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37. A molecule that contains nitrogen and has the chemical properties of a base is called __
[A] RNA
[B] Nitrogenous base
[C] Bacteria
[D] Plasmid

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38. Which one of the following features is absent in a virus?
[A] Presence of cell wall
[B] Reproduce within host cell
[C] Fully parasitic in nature
[D] Presence of either DNA or RNA

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39. Which part of the brain is responsible for triggering actions like thinking, intelligence, memory and ability to learn?
[A] Control
[B] Cerebrum
[C] Hypothalamus
[D] Diencephalon

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40. Myrmecology is study of ____:
[A] Ants
[B] Insects
[C] Arthropods
[D] Crustaceans

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