Advertisements
Advertisements
प्रश्न
Given alongside is the diagram of an experimental set-up:
What alteration (s) will you make in it for obtaining expected result?
Advertisements
उत्तर
Place potassium hydroxide in the beaker instead of lime water.
संबंधित प्रश्न
The chemical substance used to test the presence of starch in the cell of a leaf is ______.
How would you demonstrate that green plants release oxygen when exposed to light?
Photosynthesis in green plants is directly and indirectly dependent on so many plant structures.
Explain briefly the role of the following structures in this process Guard cells.
Given alongside is the diagram of an experimental set-up:
- What is the objective of this experiment?
- Will it work satisfactorily? Give reason.
- What alteration(s) will you make in it for obtaining expected result?
- Would you take any steps before starting the experiment? Describe this step and explain its necessity.
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.
During the starch test, why was the leaf
(1) boiled in water
(2) boiled in methylated spirit
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.
Draw a neat diagram of a chloroplast and label its parts.
Chlorophyll is necessary for photosynthesis.
Name the following:
The site of light reaction in the cell of a leaf.
Give technical term:
Name only one plant, you are familiar with which has no chlorophyll.
Give reasons/explain:
During the starch test, the leaf is boiled in methylated spirit.
