The Fundamental Unit of Life Foundation CUET CBSE questions

CBSE - The Fundamental Unit of Life

 

The Fundamental Unit of Life 

Organisms lacking nuclear membrane and cell organelles is called as :

 (1) Prokaryotes   
 (2) Eukaryotes  
 (3)  Protozoa  
 (4) Virus

A. Option 1
B. Option 2
C. Option 3
D. Option 4
 
 

Option: 1

Solution :

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The Fundamental Unit of Life 

The stage of interphase in which the number of cell organelle increases in

(1) G1
(2) S
(3) G2
(4) G0

A. Option 1
B. Option 2
C. Option 3
D. Option 4
 
 

Option: 1

Solution :

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The Fundamental Unit of Life 

In which ofthe following organs, cell division does not takes place ?

(1) Bone marrow and Brain.
(2) Fertilized egg and Bone marrow.
(3) Cancer cells in different organs.
(4) Brain and Heart.

A. Option 1
B. Option 2
C. Option 3
D. Option 4
 
 

Option: 4

Solution :

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The Fundamental Unit of Life 

Plasmolysis in plant cell is defined as

(1) Breakdown of plasma membrane in hypot onic medium.
(2) Shrinkage of protoplasm in hypertonic medium.
(3) Shrinkage of nucleoplasm.
(4) Breakdown of nuclear memebrane.

A. Option 1
B. Option 2
C. Option 3
D. Option 4
 
 

Option: 2

Solution :

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The Fundamental Unit of Life 

What happens when a cell placed in hypertonic solution ?

 (1) Endosmosis      
 (2) Exosmosis  
 (3) Deplasmolysis 
 (4) Imbibition

A. Option 1
B. Option 2
C. Option 3
D. Option 4
 
 

Option: 2

Solution :

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The Fundamental Unit of Life 

Selective Permeability means ..........

(1) it allows entry of certain substances only.
(2) it allows exit of certain substances only.
(3) it allows passage of all solutes and solvents.
(4) it allows entry and exit of certain substances and prevents remaining substances.

A. Option 1
B. Option 2
C. Option 3
D. Option 4
 
 

Option: 4

Solution :

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The Fundamental Unit of Life 

It has been found that people living in very high mountain have many more RBC's in their blood than people living in plains. Which one of following reason is correct?

(1) The cold climate stimulates the production of RBC's to keep the bodywarm.
(2) People of high mountains breathe more quickly
(3) The low air pressure requires more RBC's to supply oxygen to Body's cells
(4) The low air pressure in high mountains speeds up the blood circulation so that more RBC's are needed

A. Option 1
B. Option 2
C. Option 3
D. Option 4
 
 

Option: 3

Solution :

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The Fundamental Unit of Life 

Which reaction take place in Mitochondria?

(1) Oxidative phosphorylation
(2) Photolysis
(3) Phtophosphorylation
(4) Starch synthesis

A. Option 1
B. Option 2
C. Option 3
D. Option 4
 
 

Option: 1

Solution :

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The Fundamental Unit of Life 

The cell organelle pertaining to energy release process is 

(1) Lysosome  
(2) Chloroplast
(3) Mitochondria  
(4) Endoplasmic reticulum 

A. Option 1
B. Option 2
C. Option 3
D. Option 4
 
 

Option: 3

Solution :

-.

 

The Fundamental Unit of Life 

Give the name of scientist who proposed DNA molecules.

(1)  Robert Brown
(2)  Robert Hook
(3)  Leuvan Hook
(4)  Watson and crick

A. Option 1
B. Option 2
C. Option 3
D. Option 4
 
 

Option: 4

Solution :

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