1421: A man jumped at a speed of 5 metres per second from a stationary boat and the boat moved off with the speed of 0.5 metre per second. How many times is the mass of the boat greater than that of the man ?
(a) 5.5 times
(b) 4.5 times
(c) 2.5 times
(d) 10 times
1422: The Balkan Plan for fragmentation of India was the brain-child of
(a) W. Churchill
(b) M. A. Jinnah
(c) Lord Mountbatten
(d) V. P. Menon
1423: Which of the following is true about the Bats?
1. Bats are mammals
2. Bats have wings which are actually the modified forelimbs
3. Bats are nocturnal in habit
(a) 1, 2 & 3
(b) 2 & 3
(c) 1 & 3
(d) 1 & 2
1424: Photosynthesis generally occurs in which portions of the plant?
(a) Leaf and other chloroplast bearing parts
(b) Steam and leaf
(c) Roots an chloroplast bearing parts
(d) Bark and leaf
1425: The Congress policy of pray and petition ultimately came to an end under the guidance of
(a) Aurobindo Ghosh
(b) Bal Gangadhar Tilak
(c) Lala Lajpat Rai
(d) Mahatma Gandhi