UPSC Prelims Mini Mock Test: 350

How does vulcanization make natural rubber more durable?

With reference to the timing of the highest daily temperature on Earth, consider the following statements:

1. The highest temperature is not recorded at 12:00 noon during summers.
2. The Earth’s surface does not get heated directly by Sun's radiation.
3. The highest temperature occurs as the atmosphere gets heated by terrestrial radiation from Earth's surface.

Which of the above best explains the phenomenon?

Which among the following is / are features of the Post-Gupta society of India?

1. Presence of wide range of semi-autonomous rulers
2. Rise of secular as well as religious land grants
3. Exorbitantly high rates of taxation
4. Increased spatial and occupational mobility

Select the correct option from the codes given below:

Consider the following kingdoms:

1. Chola
2. Chera
3. Pandya
4. Pallava

Which of the above are associated with Sangam Literature?

Consider the following statements about the proposed Rail Development Authority:

1. It will act within the parameters of the Railway Act, 1989
2. The authority will consist of four members
3. It will regulate the sector opened to the private sector for investment

Which of the above statements is/are correct?