4056: Which one of the following ports of India handles the highest tonnage of import cargo ?
(a) Calcutta
(b) Kandla
(c) Mumbai
(d) Visakhapatnam
4057: The marine animal called dugong which is vulnerable to extinction is a/an
(a) Shark
(b) Mammal
(c) Amphibian
(d) Bony fish
4058: Which of the following can be said as the 'Theory of Darwin'
(a) Survival of the fittest and struggle for existence
(b) Weak and strong always maintain a fixed proportion
(c) Different species do not arise by genetic mutation
(d) None of these
4059: A weightless rubber balloon is filled with 200 cc of water. Its weight in water is equal to:
(a) (9.8/5) N
(b) (9.8/10) N
(c) (9.8/2) N
(d) zero
4060: Olympics 2000 is to be held in
(a) Johannesberg
(b) Capetown
(c) Rome
(d) Sydney