CLASS 7 Chapter 9 Soil

Class 7 Biology / Neeti Rathore

Short answer type questions Question 1. Why soil is essential for agriculture? Question 2. Name some organisms that live in the soil. Question 3. How do polythene bags and plastics are a threat to the environment? Question 4. What is humus? Question 5. What do understand by the term soil profile? Question 6. Name […]

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CLASS 7 Chapter 9 Soil

Class 7 Biology / Neeti Rathore

Tick the most suitable answer in questions 1 and 2. Question1. In addition to the rock particles, the soil contains (i) air and water (ii) water and plants (iii) minerals, organic matter, air and water (iv) water, air and plants Solution 1. (iii) minerals, organic matter, air and water. Question 2. The water holding capacity

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