Biology MCQs with answers Page - 130

Here, you will find a collection of MCQ questions on Biology. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Night blindness results from the deficiency of -

  • (A) Vitamin-A
  • (B) Vitamin-B2
  • (C) Glucose
  • (D) Vitamin-E

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Q. Gene is

  • (A) A segment of DNA, RNA and histone
  • (B) A segment of DNA or functional RNA
  • (C) A segment of DNA and histone
  • (D) All of the above

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Q. Full form of the infectious disease SARS is

  • (A) Syndrome Alarm on Respiratory System
  • (B) Severe Asthmatic Respiratory Syndrome
  • (C) Severe Acute Respiratory Syndrome
  • (D) Syndrome Related with Respiratory Symptoms

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Q. Which feature of some species of blue-green algae helps to promote them as bio-fertilisers?

  • (A) They have the mechanism to convert atmospheric nitrogen into a form that the crop plants can absorb readily
  • (B) They induce the crop plants to produce the enzymes which help convert atmospheric nitrogen to nitrates
  • (C) They induce the roots of the crop plants to absorb the soil nitrates in larger quantities
  • (D) They convert atmospheric methane into ammonia, which the crop plants can absorb readily

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Q. Insectivorous plants grow in soil deficient in

  • (A) Magnesium
  • (B) Water
  • (C) Nitrogen
  • (D) Calcium

A

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Q. In mammals, fertilization takes place in the

  • (A) ovary
  • (B) fallopian tubes
  • (C) Uterus
  • (D) Urethra

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Q. A universal recipient has the blood group

  • (A) O
  • (B) A
  • (C) AB
  • (D) B

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Q. Panda belongs to the same family as that

  • (A) Kangaroo
  • (B) Porcupine
  • (C) Whale
  • (D) Bear

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Q. Rio Summit is related with

  • (A) Green house gases
  • (B) Convention on Biological Diversity
  • (C) Wet lands
  • (D) Ozone depletion

A

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Q. Air bladder in fish acts as:

  • (A) Primary respiratory organ
  • (B) Hydrostatic organ
  • (C) Accessory respiratory organ
  • (D) Both accessory respiratory organ & hydrostatic organ

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