Only _______ percent of the total water absorbed by the plant is used in photosynthesis and other activities.

What percent of the water absorbed by the plant is used for photosynthesis and other activities?

Choose the correct statement(s):

(i) Photosynthesis is a process used by plants and other green organisms to convert light energy into chemical energy.

(ii) Photosynthesis takes place only in the presence of sunlight.

(iii) Only glucose is formed in the process of photosynthesis.

(a) How does carbon dioxide from the air enter the leaves of a plant to be used in photosynthesis ?
(b) How does water from the soil reach the leaves of a plant to be used in photosynthesis ?

Identify the false statements and rewrite them correctly by changing the first or the last word only.

(a) Dark reaction of photosynthesis occurs during night time.

(b) Immediate product of photosynthesis is glucose.

(c) Starch produced in a leaf remains stored in in for 2-3 weeks before it is used by other parts of the plant.

(d) Photosynthesis requires enzymes.

(e) Green plants are consumers.

(f) Photosynthesis results in loss of dry weight of the plants.

(g) Photosynthesis stops at a temperature of about ${35}^{\circ }$C.

(h) Photosynthesis occurs only in cells containing chloroplasts.

(i) Green plants perform photosynthesis.

(j) Algae are autotrophs.