2011: Due to improper/indiscriminate disposal of old and used computers or their parts, which of the following are released into the environment as e-waste?
1. Beryllium
2. Cadmium
3. Chromium
4. Heptachlor
5. Mercury
6. Lead
7. Plutonium
Select the correct answer using codes given below.
(a) 1, 2, 3, 5 and 6 only
(b) 2, 4, 5 and 7 only
(c) 1, 3, 4, 6 and 7 only
(d) 1, 2, 3, 4, 5, 6 and 7
2015: Neap tides are produced in the first and third quarters of the Moon. Then,
(a) The Moon and the Sun are in conjunction with the other planets
(b) The Moon and the Sun are in opposition with each other
(c) The attractions of the Sun and the Moon are at right angles to each other
(d) The Moon and the Sun are in quadrant position to each other