2541: During a thunderstorm, the thunder in the skies is produced by the

1. meeting of cumulonimbus clouds in the sky

2. lightning that separates the nimbus clouds

3. violent upward movement of air and water particles

Select the correct answer using the codes given below.

(a) 1 only

(b) 2 and 3

(C) 1 and 3

(d) None of the above produces the thunder
2542: Consider the following:

1. Hotels and restaurants

2. Motor transport undertakings

3. Newspaper establishments

4. Private medical institutions

The employees of which of the above can have the 'Social Security' coverage under Employees' State Insurance Scheme?

(a) 1, 2 and 3 only
(b) 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
2543: With reference to the period of colonial rule in India, "Home Charges" formed an important part of drain of wealth from India. Which of the following funds constituted "Home Charges" ?

1.Funds used to support the India Office in London.

2. Funds used to pay salaries and pensions of British personnel engaged in India.

3. Funds used for waging wars outside India by the British.

Select the correct answer using the codes given below:

(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
2544: What are the official languages of the U.N.O. ?

(a) English, French and Russian
(b) English, French, German and Russian
(c) English, French, Russian, Chinese and Hindi
(d) English, French, Chinese, Russian, Arabian and Spanish
2545: The sufi saint who maintained that devotional music was one way of coming close to God was

(a) Muin-ud-din Chishti

(b) Baba Farid

(c) Saiyid Muhammad Gesudaraz

(d) Shah Alam Bukhari