2521: Assertion (A) :
In human beings, the females play a major role in determining the sex of the offspring.
Reason (R) :
Women have two - X chromosomes.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
2522: The 93rd Constitutional Amendment Bill deals with the
(a) continuation of reservation for backward classes in government employment
(b) free and compulsory education for all children between the age of 6 and 14 years
(c) reservation of 30 per cent posts for women in government recruitments
(d) allocation of more number of parliamentary seats for recently created States
2523: What was the main reason for a great civil strife in Argentina recently?
(a) Ethnic conflict between the native Red Indian tribes and others
(b) Economic crisis due to huge public debt
(c) The issue of using native languages as medium of instruction in schools
(d) Clashes between government troops and secessionist groups
2524: Consider the following features of newer models of motor cars :
I. Radial tyres
II. Streamlined body
III. Multipoint fuel injection
IV. Catalytic converter with exhaust
Which of these features make the newer models of motor cars more fuel efficient ?
(a) I and II
(b) II and III
(c) II, III and IV
(d) I, III and IV
2525: With reference to 'Astrosat', the astronomical observatory launched by India, which of the following statements is/are correct?
1. Other than USA and Russia, India is the only country to have launched a similar observatory into space.
2. Astrosat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the Earth.
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