521: Who among the following drafted the resolution on Fundamental rights for the Karachi Session of Congress in 1931?

(a) Sardar Vallabhbhai Patel
(b) Dr. Rajinder Prasad
(c) Dr. B. R. Ambedkar
(d) Pandit Jawaharlal Nehru
522: With reference to Indian freedom struggle, consider the following events:

1. Mutiny in Royal Indian Navy
2. Quit India Movement launched
3. Second Round Table Conference

What is the correct chronological sequence of the above events ?

(a) 1-2-3
(b) 2-1-3
(c) 3-2-1
(d) 3-1-2
523: There are 50 students admitted to a nursery class. Some students can speak only English and some can speak only Hindi. 10 students can speak both English and Hindi. If the number of students who can speak English is 21, then how many students can speak Hindi, how many can speak only Hindi and how many can speak only English ?
(a) 21, 11 and 29 respectively
(b) 28, 18 and 22 respectively
(c) 37, 27 and 13 respectively
(d) 39, 29 and 11 respectively
524: Brominated flame retardants are used in many household products like mattresses and upholstery. Why is there some concern about their use?

1. They are highly resistant to degradation in the environment.
2. They are able to accumulate in humans and animals.

Select the correct answer using the code given below.

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
525: Consider the following climatic conditions (northern hemisphere) :

Temperature degree C - Rainfall Cm.
J 3.9 4.7
F 4.4 5.7
M 8.3 8.2
A 14.4 9.2
M 20.0 9.2
J 23.3 17.7
J 27.8 14.5
A 27.8 14.0
S 22.3 12.7
O 18.3 7.0
N 12.2 5.0
D 6.7 3.5

These are most likely to be found in the natural regions of

(a) China type
(b) Equatorial type
(c) Hot desert type
(d) Monsoon type