676: Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth?
1. Volcanic action
2. Respiration
3. Photosynthesis
4. Decay of organic matter
Select the correct answer using the code given below.
(a) 1 and 3 only
(b) 2 only
(c) 1, 2 and 4 only
(d) 1, 2, 3 and 4
677: For short-term climate prediction, which one of the following events, detected in the last decade, is associated with occasional weak monsoon rains in the India subcontinent?
(a) La Nina
(b) Movement of Jet Streams
(c) El Nino and Southern Oscillations
(d) Greenhouse effects on global level
678: Examine the map of Jammu and Kashmir given below :
The mountain ranges marked 1, 2, 3 and 4 are respectively :
(a) Ladakh, Zaskar, Karakoram and Pir Panjal
(b) Karakoram, Ladakh, Zaskar and Pir Panjal
(c) Karakoram, Zaskar, Pir Panjal and Ladakh
(d) Ladakh, Pir Panjal, Karakoram and Zaskar
679: India is a member of which of the following?
1. Asian Development Bank
2. Asia-Pacific Economic Cooperation
3. Colombo Plan
4. Organization for Economic Cooperation and Development (OECD)
Select the correct answer using the code given below:
(a) 1 and 3 only
(b) 1, 2 and 3 only
(c) 2 and 4 only
(d) 1, 2, 3 and 4
680: About 50% of the world population is concentrated between the latitudes of
(a) 5°N and 20°N
(b) 20°N and 40°N
(c) 40°N and 60°N
(d) 20°S and 40°S