Q59 of 79 Page 54

Name the energy currency in the living organisms. When and where is it produced?

The energy currency in the living organisms is called as “ATP”. During anaerobic respiration in lower organisms, it is produced in cytoplasm while in higher organisms, which respire aerobically, it is produced in mitochondria.


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Mention the major events during photosynthesis.

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In each of the following situations what happens to the rate of photosynthesis?

(i) Cloudy days


(ii) No rainfall in the area


(iii) Good manuring in the area


(iv) Stomata get blocked due to dust


(v) What causes movement of food inside the alimentary canal?

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What is common for cuscuta, ticks and leeches?

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Explain the role of mouth in digestion of food.