3976: Electrically charged particles from space travelling at speeds of several hundred km/sec can severely harm living beings if they reach the surface of the Earth. What prevents them from reaching the surface of the Earth?
(a) The Earth's magnetic field diverts them towards its poles
(b) Ozone layer around the Earth reflects them back to outer space
(c) Moisture in the upper layers of atmosphere prevents them from reaching the surface of the Earth
(d) None of the statements (a), (b) and (c) given above is correct
3977: Ancient Indian art and architecture reached its zenith during the period of:
(a) Rajputs
(b) Mauryas
(c) Guptas
(d) None of these
3978: The Chinese traveler Yuan Chwang (Hiuen Tsang) who visited India recorded the general conditions and culture of India at that time. In this context, which of the following statements is/are correct?
1. The roads and river-routes were completely immune from robbery.
2. As regards punishment for offences, ordeals by fire, water and poison were the instruments for determining the innocence or guilt of a person.
3. The tradesmen had to pay duties at ferries and barrier stations.
Select the correct answer using the codes given below.
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
3979: The Jain philosophy holds that the world is created and maintained by
(a) Universal Truth
(b) Universal Faith
(c) Universal Soul
(d) Universal Law
3980: Which of the following has the highest calories per gram?
(a) Proteins
(b) Fats
(c) Sugar
(d) Glucose