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Question
Complete the following sentence with appropriate word:
________ are regarded as complete photosynthetic units of plants.
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Solution
Chloroplasts are regarded as complete photosynthetic units of plants.
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RELATED QUESTIONS
All life owes its existence to chlorophyll. Give reason.
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.

- Name the phenomenon represented.
- Name any one organism that could be shown at No. 5.
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- Name one natural element which all the organisms 2-4 and even 5 are getting from No. 1 for their survival.
Given alongside is the diagram of an experimental set-up:

What alteration (s) will you make in it for obtaining expected result?
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 test-tubes are kept in sunlight. Answer the questions that follow:

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Chlorophyll is necessary for photosynthesis.
Name the following:
The green colouring matter of the plants.
Name the following:
Light in which the maximum rate of photosynthesis takes place.
Give technical term:
Name only one plant, you are familiar with which has no chlorophyll.
Name two plants having variegated leaves.
Give reasons/explain:
During the starch test, the leaf is boiled in methylated spirit.
