Question

(Section- A) Q1. True / False. ( 5 X 1 = 5 ) (i) Depletion of water table only occurs in village. (ii) Indira Gandhi Canal is present in Madhya Pradesh. (iii) During photosynthesis, plants release nitrogen gas. (iv)Canopy is like a maze of leaves and branches. (v) Airplanes and trains usually have an elaborate sewer system. (Section-B) Q2. Multiple choice questions. ( 5 X 1 = 5 ) (i) The nature of tertiary treatment. (a) Physical (b)Chemical (c) Biological (d) All of the above (ii) Which one of the following is used as manure? (a) Clarified water (b) Raw sewage (c) Sludge (d) scum (iii) The organism which help in aeration of soil is (a) beetle (b) amoeba (c) birds (d) earthworm (iv) Which tree out of the following is not a source of timber? (a) Neem (b) Pine (c)Teak (d)Sal (v) Rain gauge is an instrument used for measuring (a) rain (b) ink (c)dust (d)smoke Q3. Fill in the blanks. ( 5 X 1 = 5 ) (i) The process of seeping of water into the ground is called _____________. (ii) _________________ is a process by which plants give out water from their leaves. (iii) Insects help plants in _____________. (iv) Grazing of cattle in forests should be ____________________. (v) Sewer system consists of a network of pipes called _________________​

Answer 1

Answer:

We depend on forests for our survival, from the air we breathe to the wood we use. Besides providing habitats for animals and livelihoods for humans, forests also offer watershed protection, prevent soil erosion and mitigate climate change.