Biology MCQs with answers Page - 71

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. The number of chromosomes in human body is

  • (A) 42
  • (B) 46
  • (C) 44
  • (D) 48

A

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Q. Malfunctioning of which of the following organs causes jaundice?

  • (A) Stomach
  • (B) Pancreas
  • (C) Liver
  • (D) Kidney

A

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Q. Mumps is a disease caused by

  • (A) Fungus
  • (B) Virus
  • (C) Bacterium
  • (D) None of these

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Q. Excessive secretion from the pituitary gland in the children results in

  • (A) Increased height
  • (B) Weakening of bones
  • (C) Retarded growth
  • (D) None of the above

A

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Q. Of the blood groups A, B, AB and O, which one is transfused into a person whose blood group is A?

  • (A) Group A and O
  • (B) Group B only
  • (C) Group AB only
  • (D) Group A only

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Q. When there is a decrease in the concentration of oxygen in the blood, the breathing rate

  • (A) Decreases
  • (B) First increases and then decreases
  • (C) Is not affected
  • (D) Increases

A

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Q. In a normal human being, how much time does food take to reach the end of the intestine for complete absorption?

  • (A) About 12 hours
  • (B) About 16 hours
  • (C) About 18 hours
  • (D) About 8 hours

A

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Q. The range of R.B.C to W.B.C in the human body is

  • (A) 1 : 500
  • (B) 10 : 500
  • (C) 15 : 500
  • (D) 5 : 500

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Q. Who discovered the insecticidal properties of DDT?

  • (A) Othmanzedicer
  • (B) R.H. Painter
  • (C) Paul Muller
  • (D) Rachel Carson

A

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Q. There is no bacteria activity in which of the following process?

  • (A) Sewage disposal
  • (B) Tanning of leather
  • (C) Ripening of cheese
  • (D) Preparation of sillage

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