2531: With reference to Dhrupad, one of the major traditions of India that has been kept alive for centuries, which of the following statements are correct?

1. Dhrupad originated and developed in the Rajput kingdoms during the Mughal period.

2. Dhrupad is primarily a devotional and spiritual music.

3. Dhrupad Alap uses Sanskrit syllables from Mantras.

Select the correct answer using the codes given below :

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1, 2 and 3
(d) None of the above is correct
2532: The Rowlatt Act aimed at

(a) compulsory economic support to war efforts

(b) imprisonment without trial and summary procedures for trial

(c) suppression of the Khilafat Movement

(d) imposition of restrictions on freedom of the press
2533: "3D printing" has applications in which of the following?

1. Preparation of confectionery items
2. Manufacture of bionic ears
3. Automotive industry
4. Reconstructive surgeries
5. Data processing technologies

Select the correct answer using the code given below :

(a) 1, 3 and 4 only
(b) 2, 3 and 5 only
(c) 1 and 4 only
(d) 1, 2, 3, 4 and 5
2534: Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torchlights, electric shavers, etc?

(a) Nickel and cadmium

(b) Zinc and carbon

(c) Lead peroxide and lead

(d) Iron and cadmium
2535: During the freedom struggle, Aruna Asaf Ali was a major woman organizer of underground activity in

(a) Non-Cooperation Movement
(b) Civil Disobedience Movement
(c) Swadeshi Movement
(d) Quit India Movement