2416: Consider the following statements :

An amendment of the Constitution of India can be initiated by the

I. Lok Sabha.
II. Rajya Sabha.
III. State Legislatures.
IV. President.

Which of the above statements is/are correct ?

(a) I alone
(b) I, II and III
(c) II, III and IV
(d) I and II
2417: With reference to Indian transport systems, consider the following statements:

1. Indian railways system is the largest in the world.
2. National Highways cater to 45 per cent of the total road transport demand.
3. Among the states, Kerala has the highest density of surface road.
4. National Highway No. 7 is the longest in the country.

Which of these statements are correct?

(a) 1 and 2
(b) 1 and 3
(c) 2 and 3
(d) 2 and 4
2418: Of the four places marked 1, 2, 3, and 4 of the map, the one indicating a tidal port is

(a) 1
(b) 2
(c) 3
(d) 4
2419: Panchayati Raj as introduced in 1959 operates at:

(a) Samiti and block levels

(b) Block and district levels

(c) Samiti and district levels

(d) Village, block and district levels
2420: Mulching the soil is a process whereby:

(a) Big pieces of soil are broken down into smaller pieces

(b) The field is irrigated at regular intervals

(c) Transplanting of seedlings take place

(d) Loose material, dung, etc. are laid on the ground to prevent excessive evaporation or erosion of the soil