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Subjects
Science State Board
Class 8
Organization of life
The biological levels of organization

8. Metabolism, osmoregulation, respiration

Exercise condition:

4.5 m.

Assertion and reason type questions:

1. Metabolism:

Assertion:	The homeostasis is also maintained by metabolism.
Reason:	The homeostasis is balancing the internal environment.

Both, A and R, are true and R is the correct explanation of A
If A is false but R is true
Both, A and R, are true but R is not the correct explanation of A
If A is true but R is false

2. Balancing the water content

Assertion:	Osmoregulation is measured by osmolality.
Reason:	Osmoregulation means, the concentration of the solutes in the solution per gram.

If A is true but R is false
Both, A and R, are true but R is not the correct explanation of A
Both, A and R, are true and R is the correct explanation of A
If A is false but R is true

3. Respiration

Assertion:	A cellular respiration occurs in two parts.
Reason:	In cyctoplasm and in mitochondria.

Both, A and R, are true but R is not the correct explanation of A
If A is false but R is true
Both, A and R, are true and R is the correct explanation of A
If A is true but R is false

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