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प्रश्न
Are the following statement true or false? Give a reason in support of your answer.
The rate of photosynthesis continues to rise as long as the intensity of light rises.
पर्याय
True
False
उत्तर
This statement is false.
Explanation:
As the intensity of light increases, the rate of photosynthesis also increases, provided that the concentration of CO2 follows suit.
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संबंधित प्रश्न
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.
Name the following:
The principle site in a green leaf for photosynthesis.
Fill in the blank:
______ is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.
Complete the following by filling in the blanks numbered 1 to 10 with the appropriate word/term:
Photosynthesis involves light reaction and dark reaction. During light reaction, the chlorophyll present in the (1) ______ gets activated by absorbing light energy. This energy splits (2) ______ molecules to (3) ______ and oxygen and releases two electrons. This process is called (4) ______. The (5) ______ ions are picked up by NADP to form (6) ______. The ADP is converted to (7) ______. This process is called (8) ______. During the dark phase, the compound produced at the end of the light reaction reacts with carbon dioxide to form (9) ______. This product is converted to starch. The process is called (10) ______.
Which one chemical reaction occurs during photosynthesis?
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants perform photosynthesis.
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 is Phloem tissue in the leaf veins.
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 is Stomata.
How do non-green plants such as fungi and bacteria obtain their nourishment?
Write an experiment to demonstrate that CO2 is necessary for photosynthesis.
Give technical term:
The main reaction which means the breaking up of water molecules through light.
Give technical term:
What does ATP abbreviate for?
Complete the following sentence with appropriate word:
4OH ——> _____ + O2
Choose the correct option.
In presence of high concentration of oxygen, RuBP carboxylase converts RuBP to ______.
Which one of the following is a primary producer?
Gas exchange takes place in plants using _____.
To which directional stimuli do
- roots respond
- shoots respond?
The end product of photosynthesis is ______.
