Question

1.Fillintheblanks:. [05]

1) The first menstrualflow begins at puberty istermed as .

2) __________ develop inside the developed breasts of a woman.

3) Force of friction is an example of _________ force.

4) The force existing between the celestial objectsis force

5) Many countries of the world have agreed an agreement to reduce the emission of greenhouse

gases

Q2. (A)True arFalse :. [03]

1) Chlorination on boiling of water kills the germs present in it.

2) SI unit of force in pascal.

3) Windmill works due to non contact force of air.

(B) MultipleChoice Question [02]

1) Force acting between two static charges is .

(A) Magnetic force (B) Electrostatic force (C) Muscular force. (D) Force of friction

2) Which hormones controls the metamorphosis in frog.

(A) Adrenalin (B) Growth hormone (C)Thyroxine. (D) Estrogen.

Q3 Give scientific reason.

1) One should keep away from drugs [02]

[03]

2) The beauty of Taj Mahal is damage due to air pollution .​

Answer 1

Answer:

answer of true or false

Explanation:

T,F,T.

another I don't know