Which of the following statement is incorrect regarding the band region of polytene chromosome ?
(a) Feulgen negative area 
(b) Absorb ultraviolet light at 2600 A°
(c) Chromosemata is tightly packed 
(d) Stain intensily with basic stain 

To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which one of the following structure is an organelle within an organelle?

(a) Ribosome

(b) Peroxysome

(c) ER

(d) Mesosome

Concept Questions :-

Eukaryotic Cell Orgenelle
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


SER and RER can be distinguished with its presence in

(1) protein synthesising cells

(2) protein and lipid synthesising cells

(3) carbohydrates and fat synthesising cells

(4) fat and protein synthesising cells

To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Fluid mosaic model of plasma membrane was given by

(1) Robertson

(2) Robert Hooke

(3) Singer and Nicholson

(4) Gorter and Grendel

Concept Questions :-

Evidence for Fluidic Nature of Membrane
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The percentage of cell surface that is impenetrable for ions is

(a) 1 %

(b) 99.9 %

(c) 90 %

(d) 73 %

Concept Questions :-

Cell Membrane
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The property of semipermeability belongs to

(a) cell wall

(b) plasma membrane

(c) mitochondria only

(d) None of the above

Concept Questions :-

To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Microtubules are absent in

(a) mitochondria

(b) flagella

(c) spindle fibres

(d) centriole

Concept Questions :-

Cytoskeleton
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which of the following four cell structures is correctly matched with the accompanying description?

(a) Plasma membrane - Outer layer of cellulose or chitin, or absent

(b) Mitochondria - Bacteria like elements with inner membrane forming sacs containing chlorophyll, found in plant cells and algae

(c) Chloroplasts - Bacteria like elements with inner membrane highly folded

(d) Golgi apparatus - Stacks of flattened vesicles

Concept Questions :-

Eukaryotic Cell Orgenelle
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which one of the following is incorrect statement

(A) All organisms are composed of cells

(B) Cell is the basic unit of life

(C) All inanimate things are made up of cells

(D) Virus is acellular

Concept Questions :-

To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which one of the following is incorrect statement

(A) Organisms composed of single cell are unicellular

(B) Organisms composed of many cells are multicellular

(C) Organisms which are not composed of any cell are acellular

(D) Organisms which are composed of single cell is acellular

Concept Questions :-

To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level: