4551: A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is: Food crop - Rat - Snake - Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following?
(a) Hawk
(b) Food crop
(c) Snake
(d) Rat
4552: Which one of the following Acts of British India strengthened the Viceroy's authority over his executive council by substituting portfolio or departmental system for corporate functioning?
(a) Indian Council Act, 1861
(b) Government of India Act, 1858
(c) Indian Councils Act, 1892
(d) Indian Councils Act, 1909
4553: If you travel through the Himalayas, you are likely to see which of the following plants naturally growing there?
1. Oak
2. Rhododendron
3. Sandalwood
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
4554: The group of small pieces of rock - revolving round the sun between the orbits of Mars and Jupiter are called
(a) meteors
(b) comets
(c) meteorites
(d) asteroids
4555: The term 'Goldilocks Zone' is often seen in the news in the context of
(a) the limits of habitable zone above the surface of the Earth
(b) regions inside the Earth where shale gas is available
(c) search for the Earth-like planets in outer space
(d) search for meteorites containing precious metals