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Question
Give one example of An aquatic plant used in the laboratory to demonstrate O2 liberation during photosynthesis
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Solution
An aquatic plant used in the laboratory to demonstrate the liberation of oxygen during photosynthesis – Hydrilla
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RELATED QUESTIONS
The diagram below shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both testtubes are kept in sunlight. Answer the questions that follow:
(i) Name the physiological process that releases the bubbles of oxygen.
(ii) Explain the physiological process as mentioned above in Q2 (a)(i).
(iii) What is the purpose of keeping a snail in test-tube ‘B’?
(iv) Why does test-tube ‘B’ have more bubbles of oxygen?
(v) Given an example of a water plant that can be used in the above process.
(vi) Write the overall chemical equation for the above process.
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.
Name the following:
The first form of food substance produced during photosynthesis.
Name the following:
The tissue that transports manufactured type of starch from leaves to all parts of the plants.
Complete the following food chain by writing the names of appropriate organisms in the blanks:
Grass → __________ → Snake → __________
Mesophyll contains chlorophyll.
Oxygen is used for the synthesis of protein and fertilizers.
Chlorophyll in a leaf is required for ______.
Study the pictures below and then complete the table by putting a plus (+) if the shoot or root grows towards the stimulus and a minus (-) if it grows away from it.
| Stimulus | Light | Gravity |
| Shoot | + | - |
| Root | ? | + |
Which gas evolved during photosynthesis?
