Question

1.During Excretion, the harmful metabolic Nitrogenous wastes generated by the body are removed *
a.True
b.False

2. Enzyme Pepsin converts proteins into peptones. *
a.True
b.False

3. An end product of Anaerobic Respiration in muscles is Ethyl alcohol and energy. *
a.True
b.False

4. Aquatic animals like fish have low breathing rate because the dissolved oxygen in water is less. 
a.True
b.False

5. Hydrogen gas is generally not evolved when metals react with nitric acid. *
a.True
b.False

6. While diluting an acid, we should never add acid to water; instead we should add water to acid slowly. *
a.True
b.False

7. A lens of higher focal length has less power. *
a.True
b.False

8. A person standing in front of a mirror finds his image larger than himself. This shows that mirror is convex in nature.
a.True
b.False

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Answer 1

Answer:

1. a. True

2. a. True

3. b. False

4. a. True

5. a. True

6. a. True ( We should add acid to water with constant stirring ).

7. a. True

8. b. False