1621: Urea is prepared by the chemical reaction of:
(a) Ammonia and Carbon dioxide
(b) Ammonium sulphate and calcium chloride
(c) Acetamide and ethyl alcohol
(d) Chlorine and water
1622: Cloudy nights are warmer compared to clear cloudless nights, because clouds
(a) prevent cold waves from the sky from descending on Earth
(b) reflect back heat given off by Earth
(c) produce heat and radiate it towards Earth
(d) absorb heat from the atmosphere and send it towards Earth
1623: Match List-I (Person) with List-II: (Position) and select the correct answer using the codes given below the Lists:
List-I List-II
(Person) (Position)
A. Anil Kakodar 1. Chief of the Integrated Defence Staff
B. Raman Puri 2. Chairman, 17th Law Commission
C. M. Jagannatha Rao 3. Chairman, ISRO
D. G. Madhavan Nair 4. Chairman, Atomic Energy Commission
Codes:
A B C D
(a) 3 1 2 4
(b) 4 2 1 3
(c) 3 2 1 4
(d) 4 1 2 3
1624: Which one of the following can be prorogued but cannot be dissolved ?
(a) Rajya Sabha
(b) State Council
(c) Municipal Corporation
(d) Governing Council in a Union Territory
1625: Ram Singh gives half of his cash reserves to his wife, one half of the remaining to his son and one third of the remaining to his daughter. If his daughter's share is Rs. 12,500, then the total cash reserves with Ram Singh were
(a) Rs. 21,500
(b) Rs. 75,000
(c) Rs. 1,00,000
(d) Rs. 1,50,000