IESO & NTSE Stage II (Social-Science) Sample Questions - XII

Q.1 Consider the following disadvantages of an energy resource :
1. Is collection is time consuming.
2. It increases pollution.
3. It promotes green house effect.
4. It leads to deforestation.
Which of the following source of energy best explains the above disadvantages :
(A) Natural oil (B) Coal (C) Fire Wood (D) Nuclear Energy

Q.2. Which of the following statements are incorrect ?
1. Fossil fuel are the main source of conventional energy.
2. The reserves of fuel minerals are limited.
3. The rate at which the growing world population is consuming them is far lesser than the rate of their formation.
4. Fuel minerals are not likely to be exhausted soon.
Select the correct answer using the codes given below :
(A) 1, 2 and 4 (B)1 and 2 (C) 3 and 4 (D) 1, 3 and 4

Q.3. Match the following :
Forests Trees
1. Tropical Evergreen (i) Pine, Cedar, Fir
2. Mid-Latitude Evergreen (ii) Cork, Olive, Chestnut
3. Mediterranean Forest (iii) Oak, Eucalyptus, Wattle
4. Coniferous (iv) Ebony, Mahogany, Rosewood

(A) 1-(iv),2-(iii),3-(ii),4-(i) (B) 1-(iii),2-(iv),3-(i),4-(ii)
(C) 1-(iv),2-(i),3-(ii),4-(iii) (D) 1-(iv),2-(iii),3-(i),4-(ii)

Q.4. Match the following animals with their category of existence :
Animals Category of Existence
1. Black Buck, Lion (i) Normal
2. Desert Fox, Hornbill (ii) Rare
3. Asiatic Cheetah (iii) Extinct
4. Rodents (iv) Endangered

(A) 1-(ii),2-(i),3-(iv),4-(iii) (B) 1-(iv),2-(ii),3-(iii),4-(i)
(C) 1-(ii),2-(iii),3-(iv),4-(i) (D) 1-(iii),2-(ii),3-(i),4-(iv)

Q.5. Read the following :
1. 80 percent of the forests in the world have been cleared.
2. A quarter of the world's 4630 types of mammals and 11 percent of the 9675 bird species are at serious risk of extinction.
3. Global warming will trigger a devastating rise in sea level.
Which of the following best explains all the above ?
(A) Increasing industrialisation (B) Large Scale urbanisation
(C) Increased human activities (D) Large scale modernisation

Q.6. Read the following statements :
1. About 70 percent of the total cultivated area of our country is drought prone.
2. Afforestation, use of drought-resistant crops and encouraging farmers to join crop and seed insurance schemes would help people to cope with drought.
Which one of the following is correct ?
(A) 1 is true, 2 is false (B) 1 is false, 2 is true
(C) Both 1 & 2 are true (D) Both 1 & 2 are false

Q.8. Consider the following statements regarding organic farming :
1. In this type of farming organic manure and natural pesticides are used.
2. In this type of farming chemicals are not used.
3. In this type of farming some generic modifications are done to increase the yield of the crop.
Which of the statements given above are correct :
(A) 1 and 2 (B) 2 and 3 (C) 1 and 3 (D) 1, 2 and 3

Q.9. Consider the following statements :
1. It refers to efforts made to increase farm production, in order to meet growing demands of increasing population.
2. This can be achieved in many ways as use of good variety seeds, chemicals fertlisers etc.
3. Some of the ways are, increasing crop area, the number of crops grown.
4. Mechanisation is also another aspect.
Which one of the following best explains the statements given above :
(A) Food security (B) Sustainable development
(C) Human Resource development (D) Agricultural development

Q.10. Match the following :
Fiber Source
1. Vegetable fiber (i) Glass
2. Animal fiber (ii) Stems
3. Mineral fiber (iii) Silkworm
4. Synthetic fiber (iv) Natural cellulose
(A) 1-(ii),2-(iii),3-(i),4-(iv) (B) 1-(iii),2-(i),3-(iv),4-(ii)
(C) 1-(i),2-(ii),3-(iii),4-(iv) (D) 1-(iv),2-(iii),3-(ii),4-(i)




ANSWERS - Q.1. (C),Q.2. (B),Q.3. (A),Q.4. (B),Q.5. (C),
Q.6. (C),Q.7. (A),Q.8. (A),Q.9. (D),Q.10. (A)