Rishab
from
OWS, New Delhi
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 2:
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aarav shankar
from
st xaviers high school, gurugram
Class : Class 6
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 7:
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Asank Kumar
from
Delhi Public School, navi mumbai
Class : Class 9
I am sorry to say but... he sad truth is that the answer was C.
Ans 8:
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Soumyaraj Roy
from
Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Anyone from dhanbad or delhi public school dhanbad here ?
Ans 9:
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Ans 11:
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Navyaa Kalra
from
DPS Noida, NOIDA
Class : Class 5
answer should be B and not A ...................there must be a COMPUTING MISTAKE!!!
Ans 12:
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Anjisha Chakraborty
from
Mount Litera Zee School, Jabalpur
Class : Class 5
Answer - P and W as moisture is needed as well as light for germination