1616: Cryogenic engines find applications in

(a) sub-marine propulsion

(b) frost-free refrigerators

(c) rocket technology

(d) researches in superconductivity
1617: Consider the following statements:

1. Central Administrative Tribunal (CAT) was set up during the Prime Ministerhsip of Lal Bahadur Shastri.

2. The Members for CAT are drawn from both judicial and administrative streams.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1618: Many transplanted seedlings do not grow because

(a) the new soil does not contain favourable minerals

(b) most of the root hairs grip the new soil too hard

(c) most of the root hairs are lost during transplantation

(d) leaves get damaged during transplantation
1619: The rough outline map given shows centres of cement industry labelled 1, 2, 3 and 4. Match these centres with the following sets of names :

Names
(A) Katni
(B) Tirunelveli
(C) Sikka
(D) Churk

Select the correct answer using the codes given below :

Codes :
(a) A-3, B-4, C-2, D-1
(b) A-2, B-4, C-1, D-3
(c) A-1, B-2, C-4, D-3
(d) A-2, B-3. C-1, D-4
1620: One consistent feature found in the history of southern India was the growth of small regional kingdoms rather than large empires because of

(a) the absence of minerals like iron

(b) too many divisions in the social structure

(c) the absence of vast areas of fertile land

(d) the scarcity of manpower