(a) What would happen if all the green plants disappear from the earth? (b) If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.
BiologyClass 10ICSEAnswered 27 Mar 2026
Answer
- If all the green plants disappear from the earth then all the organisms like herbivores, carnivores and omnivores would starve for All the animals will not get oxygen for breathing and life without plants would be very difficult. All the life forms will die ultimately without the green plants. All the life forms on earth are dependent on plants directly or indirectly. Hence we need to conserve the green plants and survive peacefully.
- Plants carry out respiration throughout the day and night like other living Hence, they keep on emitting carbon dioxide all the time. Photosynthesis takes place only in the presence of light and hence, oxygen is released by plants only during the day.
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