4396: What was the reason for Mahatma Gandhi to organize a satyagraha on behalf of the peasants of Kheda ?

1. The Administration did not suspend the land revenue collection in spite of a drought.

2. The Administration proposed to introduce Permanent Settlement in Gujarat.

Which of the statements given above is/ are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 or 2
4397: With reference to food chains. In ecosystems, consider the following statements:

1. A food chain illustrates the order in which a chain of organisms feed upon each other.

2. Food chains are found within the populations of a species.

3. A food chain illustrates the numbers of each organism which are eaten by others.

Which of the statements given above is/are correct?

(a) 1 only
(b) 1 and 2 only
(c) 1, 2 and 3
(d) None
4398: Which one of the following is the correct sequence of the given substances in the decreasing order of their densities ?

(a) Steel > Mercury > Gold
(b) Gold > Mercury > Steel
(c) Steel > Gold > Mercury
(d) Gold > Steel > Mercury
4399: Biodiversity forms the basis for human existence in the following ways:

1. Soil formation
2. Prevention of soil erosion
3. Recycling of waste
4. Pollination of crops

Select the correct answer using the codes given below:

(a) 1, 2 and 3 only
(b) 2, 3 and 4 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
4400: The first Civil Disobedience Movement was started by Gandhiji after the:

(a) Rowlatt Act of 1919

(b) Jallianwala Bagh massacre in 1919

(c) Chauri Chaura incident in 1922

(d) Arrival of Cripps Mission in 1942