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Question
Give one example of An aquatic plant used in the laboratory to demonstrate O2 liberation during photosynthesis
Solution
An aquatic plant used in the laboratory to demonstrate the liberation of oxygen during photosynthesis – Hydrilla
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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.
Identify the odd one in each set : Transpiration, Photosynthesis, Phagocytosis, Guttation
Fill in the blank:
Xanthophyll is ______ coloured pigment.
Fill in the blanks:
The end products of photosynthesis are ______ and ______.
Fill in the blank:
CO2 enters the leaf through ______.
The diagram alongside represents an experiment conducted to prove the importance of a factor in photosynthesis.
Study the same and then answer the questions that follow:
(i) Name the factor being studied in his experiment.
(ii) Why was the plant kept in a dark room before conducting the experiment?
(iii}Why was the experimental leaf then kept in
1. boiling water 2. methylated spirit?
(iv) Name the solution used to test for the presence of starch in the leaf.
(v) What will we observe in the experimental leaf at the end of the starch test?
(vi) Give a balanced chemical equation to represent the process of photosynthesis.
Choose the correct answer:
The process of photosynthesis occurs by _________
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
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.
How do non-green plants such as fungi and bacteria obtain their nourishment?
Explain, why respiration is said to be a reversed process of photosynthesis?
Write an experiment to demonstrate that CO2 is necessary for photosynthesis.
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.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with the suitable idea given in Column ‘I’.
| Column I | Column II | ||
| (i) | Grana | (a) | Decomposers |
| (ii) | Autotrophs | (b) | Light reaction |
| (iii) | By-products of photosynthesis | (c) | Animals |
| (iv) | Photolysis | (d) | Oxygen |
| (v) | Bacteria and fungi | (e) | Stimulated by light |
| (vi) | Chloroplast | (f) | Power |
| (vii) | Oxygen and water | (g) | Raw material |
| (viii) | Sunlight | (h) | Machinery |
| (ix) | CO2 and water | (i) | End products |
| (x) | Glucose (sugar) | (j) | Workrooms |
| (xi) | Cells in the leaf | (k) | By-products. |
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?
Planting trees help in decreasing global warming.
Where do the light-dependent reaction and the Calvin cycle occur in the chloroplast?
The raw materials for photosynthesis are ______ and ______.
