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प्रश्न
Complete the following statement by choosing the correct alternative given below :
All animals would die on the earth if there was no ______.
विकल्प
chlorophyll
haemoglobin
penicillin
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उत्तर
All animals would die on the earth if there was no Chlorophyll.
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संबंधित प्रश्न
Describe fully one experiment with potted green plant to show that starch is not produced in the leaves when carbon dioxide is not available (diagrams essential)
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.
- Name the biological process which was the starting point of the whole chain.
- Name one natural element which all the organisms 2-4 and even 5 are getting from No. 1 for their survival.
Chlorophyll is necessary for photosynthesis.
Name the following:
The site of light reaction in the cell of a leaf.
Complete the following sentence with appropriate word:
________molecules of chlorophyll make one quantasome.
Write the overall chemical equation for photosynthesis.
Name two plants having variegated leaves.
Given below is the figure of an experimental set-up, showing a physiological act of the plants. Study and answer the following questions:
- What is the objective of this experiment?
- Name and define the process shown here.
- Why do we destarch the leaves before performing the experiment?
- How do we destarch the leaves?
- What will be the observation when we pour iodine solution over the bleached experimental leaf?
- Write a well-balanced equation for the above process.
Give reasons/explain:
During the starch test, the leaf is boiled in methylated spirit.
