Question

Components of nucleus are:-
(A) Karyotheca, nucleolus, chromatin, nucleoplasm and nuclear matrix
(B) Nuclear envelope, nucleolus and chromatin
(C) Nuclear envelope, nucleoplasm and chromatin
(D) All the above
Which one of the following pairs is not correctly matched?
(A) Nucleus - Genetic information
(B) Cell membrane - Permeability
(C) Golgi complex - Secretion
(D) Microtubular organelles - Glycolysis
(D) All the above
Calcium is deposited in plant cells as :-
(A) Calcium carbonate (B) Calcium oxalate (C) Calcium sulphate
What is the latest and most acceptable model of cell membranes :-
(A) Lamellar model (B) Fluid mosaic model
(C) Micellar model (D) Unit membrane concept
Cell membrane is composed of :-
(A) Phospholipid (B) Nucleoprotein
(C) Polysaccharides
(D) Lipoprotein
In a membrane phospholipid, there are:-
(A) One polar head and two nonpolar tails
(C) One nonpolar head and two polar tails
(B) Two polar heads and one nonpolar tail
(D) Two nonpolar heads and one polar tail
7.
Extrinsic proteins of cell membrane are:-
(A) Present superficially and are easily separable
(B) Present superficially but are not separable
(C) Attached to intrinsic proteins but are easily separable
(D) Attached to intrinsic proteins and are not easily separable
8.
9.
Main function of plasma membrane is to:-
(A) Control cell movements
(B) Control cell activities
(C) Maintain cell shape and size
(D) Regulate exchange of materials
The process of taking in liquid material by infolding of membrane isknown as:-
(A) Phagocytosis (B) Osmosis (C) Active transport (D) Pinocytosis
Active transport across biomembrane involves :-
(A) Production of ATP (B) Requirement of energy
(C) Production of toxin (D) Release of energy
10.​

Answer 1

Answer:

1st = answer B

2nd = answer C

3rd= answer A

4th=answer B

5th= answer D

6th= answer C

7th= answer B

8th= answer D

9th= answer A

10th= answer D