626: Which of the following can be said as the 'Theory of Darwin'
(a) Survival of the fittest and struggle for existence
(b) Weak and strong always maintain a fixed proportion
(c) Different species do not arise by genetic mutation
(d) None of these
627: The average salary of skilled employees in a firm is Rs. 520 and that of the unskilled employees is Rs. 420. If the average salary of both the groups of employees is Rs. 500, then the percentage of skilled employees in the firm is
(a) 50
(b) 20
(c) 80
(d) 70
628: Consider the following pairs :
Protected area---Well known for
1. Bhiterkanika, Orissa---Salt Water Crocodile
2. Desert NationalPark, Rajasthan---Great Indian Bustard
3. Eravikulam, Kerala---Hoolak Gibbon
Which of the pairs given above is/are correctly matched ?
(a) 1 only
(b) 2 only
(c) 1 and 2 only
(d) 1, 2 and 3
629: With reference to Congress Socialist Party, consider the following statements:
1. It advocated the boycott of British goods and evasion of taxes.
2. It wanted to establish the dictatorship of proletariat.
3. It advocated separate electorate for minorities and oppressed classes.
Which of the statements given above is / are correct?
(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None
630: During the Indian Freedom Struggle, why did Rowlatt Act arouse popular indignation?
(a) it suppressed the Indian traditional education
(b) it authorized the government to imprison people without trial
(c) it curbed the trade union activities
(d) it curtailed the freedom of religion.