bio extra questions and answers in points for CBSE class 10 not reduce syllabus and in points please please
Answers
Answer:
Management of Natural Resources Chapter Wise Important Questions Class 10 Science
Question 1.Suggest three ways to maintain a balance between environment and development to survive. [Delhi]
Answer. The three ways to maintain a balance between environment and development to survive are as follows:
Forest resources should be used in an environment friendly and developmentally sound manner.
Instead of using non-renewable natural resources, use of renewable natural resources should be preferred.
Waste water generated by industries should be recycled.
We should use natural resources cautiously so that economic growth and ecological conservation go hand in hand.
Question 2. List any two traditional systems of water harvesting. [Foreign]
Answer. Two traditional systems of water harvesting are:
Collection of water in ponds and
Construction of small earthen dams.
Question 3. State two reasons each of conserving (a) forest and (b) wildlife. [All India(Q)]
Answer. Two reasons each of conserving:
(a) Forest
It helps in retaining the sub-soil water.
It checks flood.
(b) Wildlife
To maintain ecological equilibrium.
To protect the nature.
Answer:
bio deleted syllabus .
chapter 7... pages are ...117 to 125 complet pages deleted..
chapter 9... pages are ... 147 and 148 complete pages deleted.
chapter 14 . pages are... 224 to 251... complete pages deleted..
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