616: Which one of the following is another name of RDX ?
(a) Selenium
(b) Cyclonite
(c) Cyanohydrin
(d) Cyclohexane
617: Which reference to the government's welfare schemes, consider the following statements :
1. Under the Antyodaya Anna Yojana, the food grains are available to the poorest of the poor families at Rs 2 per kg for wheat and Rs. 3 per kg for rice
2. Under the National Old Age Pension Scheme, the old and destitute are provided Rs 75 per month as Central pension, in addition to the amount provided by most State Governments.
3. Government of India has allocated 25 kg food grains per Below Poverty Line family per month, at less than half the economic cost.
Which of these statements are correct ?
(a) 1 and 2
(b) 1 and 3
(c) 2 and 3
(d) 1, 2 and 3
618: When the Couple Protection Rate is going up
(a) birth rate must necessarily fall
(b) birth rate will fall only if couples are of younger age
(c) death rate must necessarily fall
(d) infant mortality rate must be falling
619: Consider the following pairs:
Wildlife:
1. Blue-finned Mahseer
2. Irrawaddy Dolphin
3. Rusty-spotted Cat
Naturally found in
1. Cauvery River
2. Chambal River
3. Eastern Ghats
Which of the pairs given correctly matched?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
620: Which one of the following types of erosion is responsible for the formation of Chambal Ravines ?
(a) Splash
(b) Sheet
(c) Rill
(d) Gully