Advertisements
Advertisements
Question
The oxygen liberated during photosynthesis by green plants comes from:
(a) glucose
(b) water
(c) carbon dioxide
(d) chlorophyll
Solution
(b) water
During photosynthesis, the water molecule is split into hydrogen and oxygen.
APPEARS IN
RELATED QUESTIONS
In photosynthesis, solar energy is absorbed by the pigment called ______.
Name a gas used in photosynthesis.
(a) Name the pigment in leaves which absorbs sunlight energy.
(b) What is the colour of this pigment?
The cell organelle where photosynthesis occurs.
How do guard cells regulate opening and closing of stomatel pores?
Which of the following is the only conducting tissue in non-flowering plants?
(a) xylem vessels
(b) sieve tubes
(c) companion cells
(d) tracheids
List the three events that occur during the process of photosynthesis. Explain the role of stomata in this process.
Distinguish between: Autotrophic nutrition and Heterotrophic nutrition.
Why is plant food not produced in any other parts of the plant except the green ones?
Gas A, obtained above is a reactant for a very important biochemical process which occurs in the presence of sunlight. Identify the name of the process -
