NCERT Exemplar Problems Class 7 Science – Forests: Our Lifeline
NCERT Exemplar Problems Class 7 Science – Forests: Our Lifeline Question 1: Which of the following serve as green lungs? (a) Green pigment of the plants (b) Forests (c) Kitchen gardens (d) Greenhouse gases Answer: (b) Forests serve as green lungs as they produce oxygen for breathing and respiration and help in maintaining oxygen and…
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