4211: Seasons on the Earth are caused due to

(a) The elliptical orbit of the Earth

(b) Alteration/change in the speed of revolution of the Earth

(c) Inclination of the Earth on its axis of rotation

(d) Differences in the amount of energy received from the Sun
4212: Indus Valley Civilisation was spread over:

(a) Baluchistan, Sind, Punjab and Rajasthan

(b) Sind, Punjab and Kashmir

(c) Afghanistan, Sind, Punjab, Rajasthan, Gujarat and Kashmir

(d) None of these
4213: A consumer is said to be in equilibrium, if

(a) he is able to fulfil his need with a given level of income
(b) he is able to live in full comforts with a given level of income
(c) he can fulfil his needs without consumption of certain items
(d) he is able to locate new sources of income
4214: Which one of the following States of India has passed a legislation (in 1996) making the maintenance of one's parents mandatory?

(a) Kerala

(b) West Bengal

(c) Maharashtra

(d) Himachal Pradesh
4215: For India, China, the UK and the USA, which one of the following is the correct sequence of the median age of their populations?

(a) India < China < USA < UK

(b) China < India < UK < USA

(c) China < India < USA < UK

(d) India < China < UK < USA