46: Zoji La is a Pass between
(a) Kashmir valley and Ladakh
(b) Lahul valley and Spiti
(c) Chumbi valley and Sikkim
(d) Arunanchal Pradesh and Tibet
47: With reference to micro-irrigation, which of the following statements is/are correct ?
1. Fertilizer/nutrient loss can be reduced.
2. It is the only means of irrigation in dry land farming.
3. In some areas of farming, receding of ground water table can be checked.
Select the correct answer using the codes given below:
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
Explanation:
Microirrigation, is an irrigation method which saves water and fertilizer by allowing water to drip slowly to the roots of plants, either onto the soil surface or directly onto the root zone, through a network of valves, pipes, tubing, and emitters. It is done with the help of narrow tubes which delivers water directly to the base of the plant. The main advantage of microirrigation is that it minimizes fertilizer/nutrient loss due to localized application and reduced leaching. Hence option 1 is correct where option 2 is incorrect because of the use of word 'only'.
Micro irrigation can also help in checking of receding of ground water table. So, option 3 is also correct.
48: The sea coast of which one of the following states has become famous as a nesting place for the giant Olive Ridley turtles from South America?
(a) Goa
(b) Gujarat
(c) Orissa
(d) Tamil Nadu
49: Consider the following States
1. Arunachal Pradesh
2. Himachal Pradesh
3. Mizoram
In which of the above States do 'Tropical Wet Evergreen Forests' occur?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Explanation:
Evergreen forests in India are found along the western side of the Western Ghats and in North East region of Arunachal Pradesh, Upper Assam, Nagaland, Manipur, Mizoram and Tripura and Andaman and Nicobar Islands.
Hence option 3 is correct.
50: Match List I with List II and select the correct answer using the code given below the lists :
List I
(National Park/ Wildlife Sanctuary)
A. Chandra Prabha
B. Karera
C. Jaisamand
D. Nahargarh
List II
(Nearby Town)
1. Jaipur
2. Jhansi
3. Agra
4. Varanasi
5. Udaipur
(A) 4 2 5 1
(B) 4 1 5 2
(C) 5 2 3 1
(D) 5 2 3 1