Biology MCQ Questions with answers

Here Important Biology MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button or on option itself. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping whatsapp button.

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Learn Biology MCQs [Page 9 of Department 21]

A

Abhishek Pathak • 1.86K Points
Master Biology

84) Where are maximum nutrients absorbed into the blood?

  • (A) small intestine
  • (B) belly
  • (C) Large Intestine
  • (D) mouth
Correct Answer - Option (A)

Explanation:

The small intestine is the primary site for the absorption of nutrients into the blood. It has tiny hair-like structures called villi, which increase the surface area for absorption of nutrients like proteins, fats, carbohydrates, vitamins, and minerals.

Why other options are incorrect:

  • (B) Belly – Not a specific part of the digestive system, and nutrients are not absorbed here.
  • (C) Large intestine – The large intestine absorbs water and salts, but not most nutrients.
  • (D) Mouth – The mouth is involved in mechanical digestion and the start of chemical digestion, but not nutrient absorption.

A

Abhishek Pathak • 1.86K Points
Master Biology

88) Enzymes are essential for the body because

  • (A) These are the anatomical parts of the body
  • (B) These organisms are catalysts of chemical reactions
  • (C) It provides energy for the body
  • (D) It controls nerve functions
Correct Answer - Option (B)

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You are learning MCQ Questions of Biology Department : 21 | Page : 9

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