Biology MCQs

1. In which of the following plants, you can find Leghemoglobin?
[A] Wheat
[B] Soyabean
[C] Potato
[D] Brinjal

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2. Which Vitamin is also known as Tocopherol?
[A] Vitamin D
[B] Vitamin E
[C] Vitamin K
[D] Vitamin B

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3. Which among the following makes the Cornea Transplantation easy and used more widely ?
[A] Cornea are easily available
[B] Cornea does not link up with blood vessels
[C] both of the above reasons
[D] none of the above

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4. Which among the following vitamins is involved in the breakdown of energy molecules such as glucose?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin C
[D] Vitamin D

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5. Consider the following statements:

  1. Color blindness is more common in men.
  2. Color blindness is an X-linked recessive trait.
  3. If both the X chromosomes are defective, a woman may have color blindness.

Which of the above statements are correct?

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

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6. Which plant’s roots yield valuable medicinal alkaloids?
[A] Emblica officinalis
[B] Asparagus officinalis
[C] Helianthus annuus
[D] Rauwolfia serpentina

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7. Which among the following is homologous to a human arm?
[A] Wing of an insect
[B] Leg of a lobster
[C] Lateral Fin of a whale
[D] Front leg of a reptile

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8. Which of the following taxonomic level is same for man, monkey and tiger?
[A] Genus
[B] Family
[C] Order
[D] Class

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9. Which of the following secrete the hormones necessary for the development of the human body? (UPSC Prelims 1983)
[A] Thyroid gland
[B] Pituatory gland
[C] Parathyroid gland
[D] Exocrine gland

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10. Which one of the following diseases is least infectious? (UPSC Prelims 1991)
[A] Leprosy
[B] Tuberculosis
[C] Conjunctivitis
[D] Hepatitis

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