2216: Which of the following pairs is/are correctly matched?

Theory/Law : Associated Scientist

1. Continental Drift : Edwin Hubble

2. Expansion of Universe : Alfred Wegener

3. Photoelectric Effect : Albert Einstein

Select the correct answer using the code given below:

(a) 1 only
(b) 2 only
(c) 3 only
(d) 2 and 3 only
2217: Barkhan is a

(a) Crescent shaped sand-dune

(b) Depositional bar, separated by water from the coast

(c) Dark coloured, fine grained rock

(d) Glacial erosional feature
2218: Consider the following statements:

1. Silent Valley national Park is in the Nallamalai range.

2. Pathrakkadavu Hydroelectric Project is proposed to be built near the Silent Valley national Park.

3. The Kunthi river originates in Silent Valley's rainforests.

Which of the statements given above is/are correct?

(a) 2 only
(b) 1 and 3
(c) 2 and 3
(d) 1, 2 and 3
2219: In collaboration with David hare and Alexander Duff, who of the following established Hindu College at Calcutta?

(a) Keshab Chandra Sen
(b) Ishwar Chandra Vidyasagar
(c) Henry Louis Vivian Derozio
(d) Raja Rammohan Roy

2220: Consider the following statements regarding blood pressure :

1. It is the pressure exerted by the blood on the walls of any vessel

2. It decreases in the arteries as the distance from the heart increases

3. It is lower in the capillaries than in the arteries

4. It is usually lower in women than in men.

Of these statements

(a) 1 and 4 are correct

(b) 2, 3 and 4 are correct

(c) 1, 2 and 3 are correct

(d) 1, 2, 3 and 4 are correct