1831: With reference to the religious history of medieval India, the Sufi mystics were known to pursue which of the following practices?

1. Meditation and control of breath

2. Severe ascetic exercises in a lonely place

3. Recitation of holy songs to arouse a state of ecstasy in their audience

Select the correct answer using the codes given below :

(a) 1 and 2 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
1832: The basic difference between imperative and indicative planning is that

(a) in the case of the imperative planning the market mechanism is entirely replaced by a command hierarchy, while in the case of indicative planning, it is looked upon as a way to improve the functioning of the market system

(b) In the case of indicative planning there is no need to nationalise any industry

(c) in the case of imperative planning all economic activities belong to public sector, while in the other type they belong to the private sector

(d) It is easier to achieve targets in imperative type of planning
1833: Acid rain is caused by pollution of environment by:

(a) Carbon dioxide and nitrogen

(b) Carbon monoxide and carbon dioxide

(c) Ozone and carbon dioxide

(d) Nitrous oxide and sulphur dioxide
1834: Akbar's mausoleum is situated at:

(a) Sasaram

(b) Sikandra

(c) Agra

(d) New Delhi
1835: Magasthenes visited the court of:

(a) Ashoka

(b) Harsha

(c) Chandragupta Maurya

(d) Vikramaditya