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VisionIAS - Online Self Test
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Questions for practice
1)

Which of the following are the characteristics of the Equatorial rainforest - 

1. Densest forest

2. Different layers of vegetation

3. Rainfall only during winter

4. Low biodiversity

5. Wet and warm climate

6. Presence of epiphytes

Select the correct answer using the codes given below.

(a)1, 2 and 3 only

(b)3, 4, 5 and 6 only

(c)1, 2, 5 and 6 only

(d)1, 2, 3, 4, 5 and 6

2)

Consider the following about the Equatorial Rain Forest:

1. There is an abundance of Evergreen forests.
2. The trees of Tropical rainforests are not found in pure stands of a single species.
3. The Tropical Rain Forests do not have a distinct layer of arrangement.

Which of the above statements is/are correct?

(a)1 and 3 only

(b)2 and 3 only

(c)1 and 2 only 

(d)1, 2 and 3 only

3)

Consider the following statements:

1. Equatorial rainforests are famous for softwood.

2. In tropical grasslands, trees do not exist.

Which of the statements given above is/are correct?

(a)1 only

(b)2 only

(c)Both 1 and 2

(d)Neither 1 nor 2

4)

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

(a)the soil of rain forest is deficient in nutrients

(b)propagules of the trees in a rainforest have poor viability

(c)the rainforest species are slow-growing.

(d)exotic species invade the fertile soil of rain forest.

5)

Consider the following statements regarding wetlands:

  1. They support rich biodiversity and provide a wide range of ecosystem services such as water storage, water purification, flood mitigation, erosion control, aquifer recharge, and others.
  2. Wetlands can be defined as lands transitional between terrestrial and aquatic ecosystems where the water table is usually at or near the surface or the land is covered by shallow water.

Which of the statements given above is/are correct?

(a)1 and 2 only

(b)1 only

(c)2 only

(d)none of these

6)

Which of the following defines the edge effect?

(a)When a species is large in number and population density in ecotone than either adjoining community.

(b)When a species is large in number and population density in the adjoining community than in ecotone.

(c)when a species influence to large extent the energy flow in the ecotone.

(d)When a species influences the nutrient cycle in the ecotone.

7)

Consider the following statements:

Statement-I: The soil in tropical rainforests is rich in nutrients.

Statement II: The high temperature and moisture of rainforests cause tropical dead organic matter in the soil to decompose quickly.

Which one of the following is correct in respect of the above statements? 

(a)Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I 

(b)Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I

(c)Statement-I is correct Statement-II is incorrect

(d)Statement-I is incorrect but Statement II is correct

8)

With reference to the Equatorial climate region, consider the following statements:

1. Precipitation is heavy and well-distributed throughout the year.
2. High temperatures and abundant rainfall support a luxuriant tropical rainforest.
3. The equatorial vegetation comprises a multitude of evergreen trees that yield tropical hardwood.

How many of the above statements are correct?

(a)Only one

(b)Only two

(c)All three

(d)None

9)

Compare and contrast the tropical and temperate rainforest biomes. (150 words, 10 marks)

10)

Discuss the various characteristics of the aquatic ecosystem. (150 words, 10 marks) 



Answers
1) c
2) c
3) d
4) a
5) a
6) a
7) d
8) c