HARD
7th CBSE
IMPORTANT
Earn 100

Two leaves, M and N, were used in an experiment to demonstrate the conditions needed for photosynthesis to take place. Both leaves are taken from different species of plants. They are subjected to the same conditions. 

After one hour under the Sun, both leaves are tested with iodine solution. The results are shown in the table.

Leaf M Test with iodine-the leaf turns blue-black
Leaf N Test with iodine-the leaf turns brown

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Which of the following statements best explains the results of the experiment? 

14.29% studentsanswered this correctly

Important Questions on Nutrition in Plants

EASY
7th CBSE
IMPORTANT
Which is the important storage compound in the leaves? (Starch/ Glycogen)
EASY
7th CBSE
IMPORTANT
Which of these raw materials is required by plants to synthesise food?
MEDIUM
7th CBSE
IMPORTANT
Which organ in the human body has a similar function as that of the stomata in plants?
MEDIUM
7th CBSE
IMPORTANT

Observe the difference between these two images and answer the following question.

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In what ways do these plants differ? 

MEDIUM
7th CBSE
IMPORTANT

Observe the difference between these two images and answer the following question.

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Name the plant that helps in the replenishment of soil. 

MEDIUM
7th CBSE
IMPORTANT

Observe the difference between these two images and answer the following question. 

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What is the special characteristic of the plant in the first image?

MEDIUM
7th CBSE
IMPORTANT

Look at the given picture of a greenhouse in which tomatoes are grown. 

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Tomatoes in the greenhouse grow faster than in normal conditions. Why?

MEDIUM
7th CBSE
IMPORTANT

Look at the given picture of a greenhouse in which tomatoes are grown. 

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What does this show?