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Biology
6. Life Process
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Q40 of 79 Page 54

Why do fishes die when taken out of water?

Fishes do not have lungs which can take oxygen from air. Hence, they die when taken out of water. They have gills which can only take oxygen dissolved in water.


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38

Two green plants are kept separately in oxygen free containers, one in the dark and the other in continuous light. Which one will live longer? Give reasons.

39

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 Solution.

41

Differentiate between an autotroph and a heterotroph.

42

Is ‘nutrition’ a necessity for an organism? Discuss.

Questions · 79
6. Life Process
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