MEDIUM
10th ICSE
IMPORTANT
Earn 100

Name the following:
The process of conversion of ADP into ATP during photosynthesis.

Important Questions on Photosynthesis
EASY
10th ICSE
IMPORTANT
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in the sunlight for a few hours. What aspect of photosynthesis was being tested?

EASY
10th ICSE
IMPORTANT
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in the sunlight for a few hours. Why was the plant placed in the dark before beginning the experiment?

EASY
10th ICSE
IMPORTANT
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 the sunlight for a few hours.
During the starch test why was the leaf
(1) boiled in water (2) boiled in methylated spirit

EASY
10th ICSE
IMPORTANT
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 the sunlight for a few hours.
Write a balanced chemical equation to represent the process of photosynthesis.

EASY
10th ICSE
IMPORTANT
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 the sunlight for a few hours.
Draw a neat diagram of a chloroplast and label its parts.

MEDIUM
10th ICSE
IMPORTANT
Give one example of each of the following:
An aquatic plant used in the lab to demonstrate O2 liberation during photosynthesis.

EASY
10th ICSE
IMPORTANT
Expand the following biological abbreviations:
ATP

MEDIUM
10th ICSE
IMPORTANT
The diagram below shows two test tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both test tubes are kept in sunlight. Answer the questions that follow:
(i) Name the physiological process that releases the bubbles of oxygen.
(ii) Explain the physiological process as mentioned above in (i).
(iii) What is the purpose of keeping a snail in test-tube 'B'?
(iv) Why does test-tube 'B' have more bubbles of oxygen?
(v) Give an example of a water plant that can be used in the above experiment.
(vi) Write the overall chemical equation for the above process
