1. Rubber plantations are found in

2. Assertion (A) : The boundary marking the termination of tree growth is known as the timber line. Reason (R) : Its location is determined by the amount of moisture, exposure, evaporation and depth of snow. Codes

3. Thick stems and thorny wax coated leaves are commonly found in

4. The minimum forest cover to maintain ecological balance is

5. A geographical are with an altitude of 400 m has following characteristics: Month Average Maximum Temp. (°C) Average Minimum Temp. (°C) Rainfall (mm) Jan 31 21 51 Feb 31 21 85 Mar 31 21 188 Apr 31 21 158 May 30 21 139 Jun 30 21 121 July 29 20 134 Aug 28 20 168 Sept 29 20 185 Oct 29 20 221 Nov 30 20 198 Dec 31 20 86 If this geographic area were to have a natural forest, which one of the following would it most likely be?

6. Hardwood tree like mahogany and ebony are found in

7. Which of the following is softwood from coniferous forest?

8. Thich of the following countries ranks first in producing teak?

9. If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because

10. The greatest diversity of animal and species occurs in

11. Consider the following areas:
1. Orinoco basin in South America
2. Zaire basin in Africa
3. New Guinea
4. Isthumus of Central America Which of the above said areas have tropical rain forests?

12. In the evergreen forests rainfall should be

13. Match List-I (Humidity Provinces) with List-II (Characteristic Natural Vegetation) and select correct answer using the codes given below the lists List-I List-II
A. Wet 1. Forest
B. Humid 2. Rainforest
C. Semi-arid 3. Scrub
D. Arid 4. Steppe Codes A B C D

14. The important species of the Mediterranean biome are

15. The most important reason for dwindling forest resources today is

16. Plants of tropical and subtropical regions are called

17. Which of the following pairs are correctly matched?
1. Sal—Tropical deciduous
2. Pine—Coniferous
3. Teak—Evergreen
4. Cactus—Desert Select the correct answer using the codes given below: Codes

18. Bananas grown in the

19. Of the solar energy coming into the Bisophere, what percentage of it is actually used in the photosynthesis?

20. Plants which lack true roots, stems and leaves are called

21. Maximum number of species occur in

22. Travelling from the equator towards pole, what would be the correct sequence of vegetation types you would encounter?

23. Social forestry aims at

24. Monsoon forests are commercially exploited to a greater extent than the equatorial forests, mainly because

25. Mid-latitude deciduous forests shed their leaves mainly because