Between these four followings three of them belong to same thing. Find them -Western Ghat, Sundaland, Eastern Ghats, Himalaya.

Between these four followings, three of them belong to the same thing. Find and rewrite that- Denitrification, N_2 cycle, Ammonification, Nitrification.

Between the following four, three of them are related to each other. Find and re-write- Acid rain, Ozone hole, Air pollution, Global warming.

Among the following four terms one includes the other three. Find it our write it: Rhododedron, Black bear, Eastern Himalaya Hotspot, Red Panda.

Among the following four terms three include the other one. Find out the terms and write it. FPC,EDC,JFM, VFG.

Among the following four terms three include the other one. Find out and write that term. Rafflesia, Nicobar area, Coral, Sundaland hot-spot.

If the resultant of two equal vectors P is P then find out the angle between them.

Three coins are tossed. If one of them shows tail, then find the probability that all three coins show tail.

If the difference of the number of arrangements of three things from a certain number of dissimilar things and the number of selection of the same number of things from them exceeds 100, then the least number of dissimilar things is a. 8 b. 6 c. 5 d. 7

Find the component statements of the following compound statement and show there is no relation between them : 3 is an odd number and the sky is blue .

Resistance of a conductor is twice that of another conductor and the potential differences between the two ends of the two conductors are same. Find the ratio of strengths of currents flowing, through them.