Sarita Aggarwal Solutions for Exercise 1: REVIEW QUESTIONS

Complete and balance the following equation : 
$C{O}_2 + H_{2}O \underset{}{\to } ? + O_2 + H_{2}O$

Observe the set-up given and answer the questions given:
(i) What is the purpose of this set-up?
(ii) Why is alcohol being used in the test-tube?
(iii) To test this leaf for starch, which chemical will it be dipped in?

 

Observe the set-up given and answer the questions given: 
 (i) What does this experiment show?
(ii) Name the gas evolved in this process.
(iii) What is the source of this gas?
(iv) Name the plant used in this experiment.

The plant in the set-up shown is kept in the dark for 24 hours. The leaf of this set-up is tested for starch.
(i) What colour does the leaf show when tested with iodine?
(ii) What is the purpose of KOH?
(iii) What is the aim of this experiment?

In the diagram drawn alongside
(i) Label the parts a, b and c.
(ii) In which part does the light reaction occur?
iii) Name the part which the dark phase of photosynthesis occur in. 

In a T.S. of a leaf given,
(i) Label the parts a, b, c, d, and e.
(ii) What is the role of b?
(iii) What role does part 'e' play?
(iv) Name the gas that will diffuse during the day in the direction of the arrow in f and in g.

Which gas is released during photosynthesis? Write the name only.

Where does light reaction take place in photosynthesis?.