Question

State whether the following statements are True (T) or False (F). (Any-8) (08)

1. The fore arm has two bones.

2. The finger bones do not have joints.

3. Cockroaches have an outer skeleton.

4. The cartilages are harder than bones.

5. Similar poles of a magnet repel each other.

6. Rubber is a magnetic material.

7. A compass can be used to find East-West direction at any place.

8. Water vapour is present in air only during the monsoon.

9. The evaporation of water takes place only in sunlight.​

Answer 1

Answer:

1.) True

2.) True

3.) False

4.) True

5.) False

6.)False

7.) True

8.) True

9.) False

Explanation:

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Answer 2

Answer:

1. The given statement is true.

Explanation

The names of these bones are Radius and Ulna.

2. The given statement is False.

Explanation

Finger bones have joints.

3. The given statement is true.

Explanation

The outer skeleton is called exoskeleton and is made of chitin.

4. The given statement is False.

Explanation

The cartilages are weaker than bones.

5. The given statement is true.

Explanation

Similar poles of a magnet repel each other and unlike poles of a magnet attract each other.

6. The given statement is False.

Explanation

Rubber is not a magnetic material.

7. The given statement is true.

Explanation

A compass can be used to find the direction at any place.

8. The given statement is False.

Explanation

Water vapor is present in air at any time as it is a component of the earth's atmosphere.

9. The given statement is False.

Explanation

The evaporation of water takes place in any condition which is not , it need not be in the presence of sunlight.