3446: What is the difference between asteroids and comets?
1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
3. Comets show a perceptible glowing tail, while asteroids do not.
Which of the statements given above is / are correct?
(a) 1 and 2 only
(b) 1 and 3 only
(c) 3 only
(d) 1, 2 and 3
3447: Assertion (A): River Kalinadi is an east flowing river in the southern part of India.
Reason(R): The Deccan Plateau is higher along its western edge and gently slopes towards the bay of Bengal in the east.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
3448: Among the following major stock exchanges of India, the exchange which recorded highest turnover during the year 2001-01 is
(a) Bombay Stock Exchange
(b) Calcutta Stock Exchange
(c) Delhi Stock Exchange
(d) National Stock Exchange
3449: Assertion (A): All proteins in our food are digested in small intestine only.
Reason (R): The protein-digesting enzymes from pancreas are released into small intestine.
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false.
(d) A is false but R is true.
3450: Why did Md-Bin-Tughlak change his capital from Delhi to Hyderabad/Deogiri?
(a) Because he wanted to improve trade in Deccan
(b) Because he wanted to spread Islam in the Deccan
(c) Because he wanted to punish the people of Delhi
(d) Because he wanted to escape from Mongolian invasion