Advertisements
Advertisements
प्रश्न
Fill in the blank:
Xanthophyll is ______ coloured pigment.
Advertisements
उत्तर
Xanthophyll is Yellow coloured pigment.
APPEARS IN
संबंधित प्रश्न
Give appropriate biological/technical terms for the following:
An apparatus that measures the rate of water uptake in a cut shoot due to transpiration.
Briefly explain the following terms: Photophosphorylation
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.
Define the following:
Plant pigments
Name the following:
The cell organelle responsible for photosynthesis.
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants perform photosynthesis.
Are the following statement true or false? Give a reason in support of your answer.
If you immerse a leaf intact on the plant in ice cold water, it will continue to photosynthesise in bright sunshine.
What is the law of limiting factors?
The figure given below is for performing an experiment on photosynthesis.

Answer the following:
(i) What is the aim of this experiment?
(ii) Describe an experiment to show that light is necessary for photosynthesis.
(iii) What do you conclude from this experiment?
(iv) What is the role of light in photosynthesis?
What will happen if you breathe through mouth?
