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प्रश्न
Autotrophs use _____,______ and chlorophyll to prepare their own food.
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उत्तर
Autotrophs use Atmosphere, light, and chlorophyll to prepare their own food.
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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.
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.
State the main functions of the following:
Medulla Oblongata
Answer the following:
Mention two significant advantages of photosynthesis to the living world as a whole.
The site of light reaction in the cells of a leaf is ______.
Are the following statement true or false? Give reason in support of your answer.
The starting point of carbon cycle is the release of carbon dioxide by animals during respiration.
A candidate studied the importance of certain factors in photosynthesis. He took a potted plant and kept in the dark for over 24 hours. In the early hours of the next morning, he covered one of the leaves with black paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
Describe step by step, how the candidate proceeded to test the leaf for the presence of starch?
The role of chlorophyll is to absorb light from the sun.
In leaves, the food is stored in the form of ______.
Name the minute openings seen on the lower surface of the leaf.
