Question

answer for 1. How forest helps the human beings? Give 2 examples with reason.

2. What is a rib cage? What is its function?

3. Define “Forest- a dynamic living entity”.

4. Explain about breathing process in unicellular organisms? Is it same like multicellular organisms?

5. Draw a diagram to explain fertilization in plants.
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Answer 1

Answer:

1) forests provide herbs Which are used in all sorts of medicines

2) forests moderate the climate .

3) forests provide wood for furniture and housing.

2. the 12 pairs of ribs surrounding our chest cavity is collectively called rib cage and it helps in protection of internal organs and provides support.