301: The Himalayan Range is very rich in species diversity, Which one among the following is the most appropriate reason for this Phenomenon?
(a) It has a high rainfall that supports luxuriant vegetative growth
(b) It has less human interference
(c) Exotic and invasive species have riot been introduced in this region
(d) It is a confluence of different bio-geographical zones
302: Consider the following pairs :
Protected area---Well known for
1. Bhiterkanika, Orissa---Salt Water Crocodile
2. Desert NationalPark, Rajasthan---Great Indian Bustard
3. Eravikulam, Kerala---Hoolak Gibbon
Which of the pairs given above is/are correctly matched ?
(a) 1 only
(b) 2 only
(c) 1 and 2 only
(d) 1, 2 and 3
303: Which one of the following techniques can be used to establish the paternity of a child ?
(a) Protein analysis
(b) Chromosome counting
(c) Quantitative analysis of DNA
(d) DNA finger-printing
304: Water which contains soluble salts of calcium and magnesium is known as
(a) Heavy water
(b) Soft water
(c) Hard water
(d) Mineral water
305: Which one amongst the following has the largest livestock population in the world?
(a) USA
(b) India
(c) China
(d) Brazil