UPSC Prelims 2023 – Question 63

Q63. Consider the following statements: 

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

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

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

1. Both Statement I and Statement II are correct and Statement II is the correct explanation for Statement I 

2. Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I 

3. Statement 1 is correct but Statement II is incorrect 

4. Statement 1 is incorrect but Statement II is correct 

Correct Answer: Option (d) 

• The soils of the tropical rainforest are typically nutrient-poor. The high temperature and moisture of tropical rainforests cause dead organic matter in the soil to decompose quickly. In tropical rainforests, the plants grow so fast that they quickly consume the nutrients from the soil, and the leftover nutrients are then leached away by abundant rainfall, which leaves the soil infertile. Hence, statement I is not correct and statement II is correct. 

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