CBSE Class 7 Science Forests Our Lifeline Assignment

L-17

 Forests : Our Lifeline

Q.1 Choose the correct option in the following questions. 

i) Which of the following in not a forest product?

a) Gum b) Ply wood

c) Sealing wax d) Kerosene

ii) Micro organisms act upon the dead plants to produce.

a) Sand b) Mushrooms

c) Humus d) Wood

iii) If forests disappear

a) The amount of carbondioxide in air will decrease.

b) The amount of oxygen in air will increase.

c) The amount of carbondioxide in air will in crease.

d) The amount of nitrogen in air will in crease.

iv) The micro-organism which convert the dead plants and animals to humus are known as

a) Herbivores b) Carnivores

c) Decomposers d) Parasites

v) Which of the following animals is not a wild animal.

i) Jackals ii) Elephant

iii) Goat iv) Tiger

Q.2 List any five products we get from forests.

i) ............................ ii) ............................. iii) ....................... 

iv) .......................... v) .............................

Q.3 Make a beautiful collage of forest in the given space and label it using the following labels.

Clouds, rain, plants, animals, soil, routs, water table, carbondioxide, oxygen.

Please refer to attached file for CBSE Class 7 Science Forests Our Lifeline Assignment