Micro-organisms act upon the dead plants to produce?

i. sand

ii. mushrooms

iii. humus

iv. Wood.

Explain why there is a need of variety of animals and plants in a forest.

In Fig. 17.15, the artist has forgotten to put the labels and directions on the arrows. Mark the directions on the arrows and label the diagram using the following labels:

clouds, rain, atmosphere, carbon dioxide, oxygen, plants, animals, soil,

roots, water table.

Which of the following is not a forest product?

i. Gum

ii. Plywood

iii. Sealing wax

iv. Kerosene

Which of the following statements is not correct?

i. Forests protect the soil from erosion.

ii. Plants and animals in a forest are not dependent on one another.

iii. Forests influence the climate and water cycle.

iv. Soil helps forests to grow and regenerate.