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Subject :NSO    Class : Class 7

Priyanka took a destarched potted plant and set up an experiment as shown in the figure. She left the plant in sunlight for few hours and then tested the leaves X and Y for starch. Leaf X did not give starch test while leaf Y showed presence of starch.

What is proved by this experiment?

A Chlorophyll is necessary for photo-synthesis.
B Carbon dioxide is necessary for photo-synthesis.
C Light is necessary for photosynthesis.
D Oxygen is given out during photo-synthesis.


oohhhhhhk

Ans 1:

Class : Class 8
b is correct

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
none of the above

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Yes you are right....Felice Fontana discovered nucleolus

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
C

Ans 2:

Class : Class 3
This is cheating I completed this question

Ans 3:

Class : Class 3
blah blah blah

Ans 4:

Class : Class 3
answer the question

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
It came in my NSO exam. the correct answer is a

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