The most improved model of the structure of the cell membrane is

(1)Fluid membrane model

(2)Fluid mosaic model

(3)Sandwich model

(4)unit membrane model

Subtopic:  Evidence for Fluidic Nature of Membrane |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Lateral movement of which of the following biomolecules takes place within the overall bilayer

(1)lipids

(2)carbohydrates

(3)proteins

(4)Both A and C

Subtopic:  Evidence for Fluidic Nature of Membrane |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The ability to move within the membrane is measured as its

(1)liquidity

(2)fluidity

(3)viscosity

(4)stability

Subtopic:  Evidence for Fluidic Nature of Membrane |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The fluid nature of the membrane is also important from the point of view of functions like

(1)cell growth

(2)secretion

(3)cell division

(4)All of the above

Subtopic:  Evidence for Fluidic Nature of Membrane |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The most important function of plasma membrane is the

(1) transportation of molecules across it

(2)cell division

(3)cell growth

(4)endocytosis

Subtopic:  Cell Membrane |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The movement of molecules with and without requirement of energy are called as

(1)active and passive respectively

(2)passive and active respectively

(3)uphill and downhill respectively

(4)Both A and C

Subtopic:  Cell Membrane |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


In membranes carrier proteins are required for

(1)nonpolar molecules

(2)polar molecules

(3)charged molecules

(4)Both B and C

Subtopic:  Cell Membrane |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The movement of water across membranes is from

(1)higher to lower concentration of water

(2)lower to higher concentration water

(3)outside of the cell to its inside

(4)Both A and C

Subtopic:  Cell Membrane |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The transport of sodium and potassium ions through the membranes is an example of

(1)transport against the concentration gradient

(2)active process

(3)passive process

(4)Both A and B

Subtopic:  Cell Membrane |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


In which of the following processes the movement of substance takes place along the concentration gradient

(1)Diffusion

(2)Osmosis

(3)Active transport

(4)Both A and B

Subtopic:  Cell Membrane |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level: