Q. No.Salt concentration (salinity) of the sea measured in parts per thousand is
1. 10-15
2. 30-70
3. 0-5
4. 30-35
1. 10-15
2. 30-70
3. 0-5
4. 30-35
Formation of tropical forests needs mean annual temperature and mean annual precipitation as
1. 18-25°C and 150-400 cm
2. 5-15°C and 50- 100 cm
3. 30-50°C and 100- 150 cm
4. 5-15°C and 100- 200 cm
Which of the following forest plants control the light conditions aground?
1. Lianas and climbers
2. Shrubs
3. Tall trees
4. Herbs
What will happen to a well-growing herbaceous plant in the forest if it is transplanted outside the forest in a park?
| 1. | It will grow normally |
| 2. | It will grow well because it is planted in the same locality |
| 3. | It may not survive because of changes in its microclimate |
| 4. | It grows very well because the plant gets more sunlight |
According to Allen's rule, the mammals from colder climates have
1. shorter ears and longer limbs
2. longer ears and shorter limbs
3. longer ears and longer limbs
4. shorter ears and shorter limbs
Consider the following statements (A)-(D) each with one or two blanks:
| (A) | Bears go into _____(1)_____ during winter to _____(2)_____ cold weather. |
| (B) | A conical age pyramid with a broad base represents _____(3)_____ human population. |
| (C) | A wasp pollinating a fig flower is an example of _____(4)_____ . |
| (D) | An area with high levels of species richness is known as _____(5)_____ . |
Which of the following options, gives the correct fill-ups for the respective blank numbers from(1) to (5) in the statements?
| 1. | (1) - hibernation, (2) - escape, (3) - expanding, (5) - hot spot |
| 2. | (3) - stable, (4) - commensalism, (5) - marsh |
| 3. | (1) - aestivation, (2) - escape, (3) - stable, (4) - mutualism |
| 4. | (3) - expanding, (4) - commensalism, (5) - biodiversity park |
More than 70% of the world's freshwater is contained in the:
1. Antarctica
2. Polar ice
3. Glaciers and Mountains
4. Greenland
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Which one of the following pairs is mismatched:
1. Savanna - acacia trees
2. Coniferous forest - evergreen trees
3. Tundra - permafrost
4. Prairie - epiphytes
Acacia, Prosopis and Capparis belong to:
1. Deciduous forest
2. Tropical forest
3. Thorn forest
4. Evergreen forest
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