Category: Biology MCQs

Role of biotechnology in the production of food is based on:

(A) Decomposition
(B) Respiration
(C) Digestion
(D) Fermentation

Answer: (D) Fermentation

Q. A metabolic process that produces chemical changes in organic substrates through the actions of enzymes is known as:
(A) Fermentation
(B) Decomposition
(C) Digestion
(D) None of these

Answer: (A) Fermentation

Q. The process in which green plants and some other organisms transform light energy in to chemical energy is known as:
(A) Metabolism
(B) Photosynthesis
(C) Glycolysis
(D) None of these

Answer: (B) Photosynthesis

Sensitive layer of the eye is:

(A) Choroids
(B) Sclerotic
(C) Retina
(D) Cornea

Answer: (C) Retina

Q. A thin circular structure in the eye, responsible for controlling the diameter and size of the pupil and define the color of an eye is:
(A) Retina
(B) Iris
(C) Cornea
(D) None of these

Answer: (B) Iris

Q. The opaque, fibrous, protective outer layer of an eye is known as:
(A) Retina
(B) Iris
(C) Cornea
(D) Sclera

Answer: (D) Sclera