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प्रश्न
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उत्तर
The amount of carbon dioxide in the atmosphere is increasing due to increased human activities like burning of fossil fuels, deforestation, etc. which cause the rise in global temperatures. This global warming result in melting of polar ice caps, floods in coastal areas, disturbance in hydrogenic cycle etc. Thus "Human activities are harmful to the balance of nature".
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संबंधित प्रश्न
Complete the following statement by choosing the correct alternative given below :
All animals would die on the earth if there was no ______.
How would you demonstrate that green plants release oxygen when exposed to light?
Photosynthesis in green plants is directly and indirectly dependent on so many plant structures.
Explain briefly the role of the following structures in this process is Cuticle.
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.
Name any one organism that could be shown at No .5
Chlorophyll is necessary for photosynthesis.
ATP is needed for the dark reaction.
Complete the following sentence with appropriate word:
________molecules of chlorophyll make one quantasome.
Choose the correct answer:
Chlorophyll is present
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.
