73. Which of the following is present in the maximum amount in acid rain?

A) H2SO4

B) HCl

C) H2CO3

D) HNO3

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Answer: A) H2SO4

Sulphuric Acid (H2SO4) is present in the maximum amount.

74. What is the product of Force and Velocity is called?

A) Energy

B) Power

C) Momentum

D) None of the Above

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Answer: B) Power

Power is the rate of doing work or the rate of transferring Energy.

Power= Work/Time
= (Force × displacement)/Time
= Force × (displacement/Time)
= Force × Velocity

75. How many posts are reserved for women at all levels in the Panchayat Raj system?

A) one-fourth

B) one-third

C) half

D) two-thirds

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Answer: B) One-third

One-third of the posts are reserved for women in the Panchayat Raj System.

76. Name the three species most commonly used in social forestry is-

A) Peepal

B) Mango

C) Gulmohar

D) Eucalyptus

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Answer: D) Eucalyptus

Eucalyptus is commonly used in social forestry.

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77. The most productive ecosystem in the biosphere is-

A) Desert

B) Ocean

C) Estuary

D) Tundra

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Answer: C) Estuary

78. The Sarda Act is related to-

A) Upliftment of minorities

B) Upliftment of Scheduled Tribes

C) Women Empowerment

D) Child Marriage

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Answer: D) Child Marriage

The Child Marriage Restraint Act 1929 (also known as the Sarda Act) was passed on 28 September 1929 in the British India Legislature of India.

It fixed the age of marriage for girls at 14 years and boys at 18 years which was later amended to 18 for girls and 21 for boys.

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