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Question
Name the following:
The organisms that can be called "natural purifiers" of the air.
Solution
Green plants
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RELATED QUESTIONS
The following diagram demonstrates a physiological process taking place in green plants. The whole set up was placed in bright sunlight for several hours. Study the diagram and answer the questions that follow
(i) What aspect of the physiological process is being examined?
(ii) Explain the physiological process mentioned in (i) above.
(iii) Label the parts numbered 1 and 2 in the diagram.
(iv) Write a well-balanced chemical equation for the physiological process explained in (ii) above.
(v) What would happen to the rate of bubbling of the gas if a pinch of sodium bicarbonate is added to the water in the beaker? Explain your answer.
the exact location of the Thylakoids
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:
Cytokinins
Answer the following:
Give the overall chemical equation of photosynthesis in green plants.
Name the following:
The principle site in a green leaf for photosynthesis.
Fill in the blank:
Photosynthesis produces oxygen and ______.
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
What is the importance of photosynthesis in the life of the following:
Green plants
Oxygen given out during photosynthesis comes from water. Explain this statement.
Photosynthesis is considered as a process supporting all life on earth.
Respiration is said to be the reversal of photosynthesis.
Explain the term Plastoquinone.
To which directional stimuli do
- roots respond
- shoots respond?
Oxygen is produced at what point during photosynthesis?
Where does the carbon that is used in photosynthesis come from?
Name the minute openings seen on the lower surface of the leaf.
Given below are groups of terms. The first pair indicates the relationship between the two terms. Complete the second pair accordingly.
Producers : Autotrophs : : Consumers : ______
