1396: Which of the following is/are the example /examples of chemical change ?
1. Crystallization of sodium chloride.
2. Melting of ice
3. Sourcing of milk
Select the correct answer using the code given below:
(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None
1397: A person stood alone in a desert on a dark night and wanted to reach his village which was situated 5 km east of the point where he was standing. He had no instruments to find the direction but he located the polestar. The most convenient way now to reach his village is to walk
(a) In the direction facing the polestar
(b) In the direction opposite to the polestar
(c) In the direction keeping the polestar to his left
(d) In the direction keeping the polestar to his right
1398: ISRO successfully conducted a rocket test using cryogenic engines in the year 2007. Where is the test-stand used for the purpose, located ?
(a) Mahendragiri
(b) thiruvananthapuram
(c) Balasore
(d) Karwar
1399: Who among the following have held the office of the Vice-President of India?
1. Mohammad Hidayatullah
2. Fakhruddin Ali Ahmed
3. Neelam Sanjiva Reddy
4. Shankar Dayal Sharma
Select the correct answer using the code given below:
(a) 3 and 4 only
(b) 2 and 3 only
(c) 1, 2, 3 and 4
(d) 1 and 4 only
1400: Which one of the following genetic diseases is sex-linked ?
(a) Royal haemophilia
(b) Tay-Sachs disease
(c) Cystic fibrosis
(d) Hypertension