CBSE Class 7 Science Forests Our Lifeline Worksheet Set A

Questions

            Very Short Answer

Q1)      What is forest?

Q2)      Define crown of the tree?

Q3)      What is canopy?

Q4)      What are decomposers?

Q5)      How soil helps the forests?

           

            Short Answer

Q6)      What will happen if forests disappear?

Q7)      What do you mean by seed dispersal?

Q8)      Why forests are called the lungs of the earth?

Q9)      What do you mean by humus?

Q10)    What is understory?

           

            Long Answer

Q11)    Explain what are the effects of deforestation?

Q12)    Explain why forests are important?

Q13)    Explain how forests prevent floods?

Q14)    Explain why preventing and stopping soil erosion is so important?

Q15)    Explain what kind of role plays by the decomposers?



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