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Subject :NSO    Class : Class 5

Study the set-ups shown below. Each test tube contains few bean seeds on the cotton wool. Farheen wants to carry out an experiment to show that warmth of the light is needed for germination to take place. Which of the two set-ups should she use?


A P and W
B R and W
C Q and W
D W and X


Ans 1:

Class : Class 7
No, it is A. R's liquid might absorb oxygen but how will it get CARBON DIOXIDE? So, R cannot be correct. P and W are both damp and both have air. If you read synopsis,seeds can sprout a little bit without sunlight. So, option A is correct.

Ans 2:

Class : Class 5
The ans can also be d as the box is dark as told in the question so it does not have sunlight and will be trapped without suffient amount of air so d can also be Ans!!!!!

Ans 3:

Class : Class 5
answer should be B and not A ...................there must be a COMPUTING MISTAKE!!!

Ans 4:

Class : Class 5
A

Ans 5:

Class : Class 4
D

Ans 6:

Class : Class 10

Ans 7:

Class : Class 7

Ans 8:

Class : Class 5
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Ans 9:

Class : Class 5

Ans 10:

Class : Class 5
The answer is A

Ans 11:

Class : Class 10
I am sorry to say but... he sad truth is that the answer was C.

Ans 12:

Class : Class 7
Anyone from dhanbad or delhi public school dhanbad here ?

Ans 13:

Class : Class 4
it should be r and w

Ans 14:

Class : Class 7
B

Ans 15:

Class : Class 7
The answer is A

Ans 16:

Class : Class 5
Answer - P and W as moisture is needed as well as light for germination

Ans 17:

Class : Class 5

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