1.

State whether the following statement are True or False. Correct and rewrite the false statement:i. Cells can be easily seen with naked eyes.ii. A single cell can perform all the functions in a unicellular organism.iii. Cell wall is present in both plant cells and animal cells.iv. Vacuoles are not found in plant cell.v. Tissue is a group of dissimilar cells.vi. Unicellular organisms have one celled body.vii. The basic living unit of an organism is an organ.viii. The unit of measurement used for expressing dimension size of the cell is centimetre.ix. Micro-organism cannot grow in extreme adverse conditions.x. Some micro-organisms can grow without oxygen.

Answer»

i. False. 

We can’t see cells with naked eyes, can be seen under microscope

ii. True

iii. False. 

Cell wall is present only in plant cell

iv. False. 

Large vacuole is found in plant cell

v. False. 

Tissue is a group of similar cells.

vi. True.

vii. False. 

The basic living unit of an organism is the cell.

viii. False. 

It is nanometer.

ix. False. 

Some micro-organisms can survive in extreme adverse conditions e.g. ocean floor, ice polar region, hot water spring.

x. True



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