question_answer

  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

Answer:

                  Food is required for the following purposes: (i) It provides energy for the various metabolic processes in the body. (ii) It is essential for the growth of new cells and repair or replacement of worn out cells. (iii) It is needed to develop resistance against various diseases.