Advertisements
Advertisements
Question
During photosynthesis, the oxygen in glucose comes from
Options
CO2
water
both CO2 and water
oxygen via air
Advertisements
Solution
CO2
RELATED QUESTIONS
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
(i) What aspect of photosynthesis was being tested?
(ii) Why was the plant placed in the dark before beginning the experiment?
(iii) During the starch test, why was the leaf
(1) boiled in water
(2) boiled in methylated spirit
(iv) Write a balanced chemical equation to represent the process of photosynthesis.
(v) Draw a neat diagram of a chloroplast and label its parts.
Expand the following biological abbreviations :
ATP
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
Land plants obtain their carbon dioxide from the atmosphere.
The rate of photosynthesis is not affected by
The specific function of light energy in the process of photosynthesis is to
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leaves are broad and flat to increase the surface area for photosynthesis.
Choose the Correct Answer:
A plant is kept in a dark cupboard for about 48 hours before conducting any experiment on photosynthesis to:
State whether true or false. If false, correct the statement.
When the weather is hot, water evaporates lesser which is due to opening of stomata.
The bending of shoot towards light is due to the hormone ______.
