National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
A

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
option c

Ans 2:

Class : Class 7
C

Ans 3:

Class : Class 7
option c

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Subject :NSO    Class : Class 4

Ten male animals each of type X and Y were living together for few months in captivity in a well defined area (full of greenery). Other types of animals were not present in this area. Then an animal Z was introduced in this area. After few days, their numbers were counted as shown here.

  X      Y      Z
  10      2     1
What does this indicate?
A Z is a carnivore.
B Y is a herbivore.
C X is a herbivore.
D All of these


Ans 1:

Class : Class 4
Y is a herbivore

Ans 2:

Class : Class 4
A

Ans 3:

Class : Class 4
Y is a herbivore

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
D

Ans 2:

Class : Class 8
I THINK IT'S "D"

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8

Ans 2:

Class : Class 7
Is solution available for this question?

Ans 3:

Class : Class 7

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
BBBBBBBBBBBBBB

Ans 2:

Class : Class 4
I think it should be I-e and II-d..... The egg and cocoon stage is not the least active cuz THEY DONT EVEN EAT A BIT..... so yaaa

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Subject :NSO    Class : Class 8

Megha observes that the water surface of the lake near her locality is gradually getting covered with algae. She is curious to know the cause for such algal bloom. Which of the following can be the cause for this?

ADisposal of concrete and cement from the construction area of locality into the lake
BIncreased population of aquatic life in the lake
CDisposal of pollutant having high level of organic matter into the lake
DHigh rainfall


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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

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