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प्रश्न
Write the functional activity of the following structure:
Stroma
उत्तर
Stroma: Dark reaction of photosynthesis.
APPEARS IN
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.
Expand the following biological abbreviations: ATP
Give suitable biological reasons for the following statement :
All life on Earth is supported by Photosynthesis.
Fill in the blank:
______ is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.
Choose the correct answer:
In a typical leaf, photosynthesis occurs mainly in ___________
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
Mention one difference between the following on the basis of what is given in bracket.
Grass and grasshopper (mode of nutrition)
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.
Why was the plant kept in the dark before the experiment?
Explain, why respiration is said to be a reversed process of photosynthesis?
Give technical term:
Organisms which cannot prepare their own food by photosynthesis.
Complete the following sentence with appropriate word:
A light reaction is a ___________ reaction.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leaves are broad and flat to increase the surface area for photosynthesis.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The raw materials for photosynthesis include water and CO2.
Choose the correct option.
For fixation of 6 molecules of CO2 and formation of one molecule of glucose in Calvin cycle, requires
Choose the correct option.
The net result of photo-oxidation of water is release of ______.
What will happen if we remove plants from the aquarium?
What will happen if we remove the fish from the aquarium and keep it (with green plants) in a dark place?
The minerals like nitrogen, potassium, and phosphorus, which are required in substantial quantity by the plants are called ______.
The bending of shoot towards light is due to the hormone ______.
Guard cells of stomata are green but cannot photosynthesize? Give reason.
