Question

4. State whether the following statements are True or
False :

(1) Electric charge cannot flow through conductor.
(2) Some liquids are good conductor of electricity and
some are bad conductors.
(iii) The S.I. unit of pressure is Pascal (Pa).
(iv) Bacteria and Blue-green algae are prokaryotic organism.

(5.) Cell wall is absent in animals.​

Answer 1

Answer:

i) False.

ii) True.

iii) True.

iv) True.

v) True.

Answer 2

Answer

1. False; why? = lets take example of our human body it is a conductor and if touch any electric current passing area or allow the current to pass through your body then you will get a shock . That's why the given statement is false.

2. True ; you can perform activities using various liquids and can find many answers and examples. For example. Limewater is a liquid which is a conductor.

3. True ; it is pascal represented by pa and N/m^2. Pressure's formula is Force / Area.

4. True ; prokaryotes are those organisms which are not developed much with respect to the passage of time period. Its examples are Blue green algae and bacteria.

5. True ; it is not present in animals instead present in plants . It protects the plants from harmful temperature and from get bursting. Animals don't need this help and that's why it is not present in animal's body.

Have a fruitful day.

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