CELL {GENERAL}

Question 1

What is the cell ?

Answer 1

CELL is the structural and functional unit of life.

Question 2

Classify the living organism on the basis of no. of cells ?

Answer 2

On the basis of no. of cells living organism are of two types :-

1. UNICELLUAR {single celled organism}
2. MULTICELLULAR {many celled organism}

Question 3

Give some examples of unicellular and multicellular organism ?

Answer 3

1. UNICELLUAR - eg. bacteria (monera) , amoeba (protista), paramecium (protista), , yeast (unicellular fungi) etc.
2. MULTICELLULAR - eg. fungi , plant , aniamls and humans etc.

Question 4

What are unicellular organism are capable of ? {ncert + neet pyq}

Answer 4

unicellular organism are capable of

1. independent existence
2. performing the essential functions of life

Question 5

What makes an organism living ?

Answer 5

The presence of the basic unit of life - cell in an organisms makes it living.

Question 6

Why cell is called the fundamental structural and and functional unit of all living organism ?

Answer 6

All living organism are composed of cell and anything less than cell does not ensure the independent living .

Hence , cell is called the fundamental structural and and functional unit of all living organism.

Question 7

Draw the structure of amoeba .

Answer 7

Important to mention :-

1. Pseudopodia [false feet]
2. Cytoplasm
3. Plasma membrane
4. Nucleus
5. Food particle