National Science Olympiad Forum By SOF Olympiad Trainer - Page 410

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Given figures show the shapes of Moon seen from Earth on different nights:We know that the moon changes from one phase to the next in approximately 3 days. Same is shown by the above figures. Let’s see what all phases the moon has, and put the above given dates to the right phases:That means on January 17, it would be a crescent moon – waxing crescent moon.Hence, the right answer is Option D.

Ans 2:

Class : Class 7
the answer is D. because after the full moon, there comes the glibbous moon

Ans 3:

Class : Class 5
answer is d because after new moon cresent moon comes after 2 days

Ans 4:

Class : Class 4
D

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

Which of the following statements is INCORRECT?

APlant and animals help to maintain the balance of oxygen and carbon dioxide in nature.
BCamouflage is the ability of an animal to change its colour to blend or merge with its surrounding.
CDue to the extreme heat and lack of food, some animals survive the summer season by going into a kind of deep sleep called hibernation.
DFew animals living in cold Arctic and Antarctic region have a thick layer of fat called blubber under their skin.


correct ans C

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 4
it will be option b light falls on screen in reverse order of VIBGYOR after dispersion

Ans 2:

Class : Class 8
answer b is right

Ans 3:

Class : Class 8
Option b is the correct answer .

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
correct answer is c

Ans 2:

Class : Class 8
Answer is A

Ans 3:

Class : Class 8

Ans 4:

Class : Class 8
The beam is parallel, so the light should not show any change whether it is near or away.

Ans 5:

Class : Class 9
SOF has given c as correct option in its own contentPlz verify and check...

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
D

Ans 2:

Class : Class 4
b

Ans 3:

Class : Class 4
d as graphite is used to make pencil lead and bulb is made up of tungsten

Ans 4:

Class : Class 4
C

Ans 5:

Class : Class 3
B

Ans 6:

Class : Class 3
what is silca

Ans 7:

Class : Class 6
B

Ans 8:

Class : Class 4

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5
B

Ans 2:

Class : Class 8
Ans. B

Ans 3:

Class : Class 3
B

Ans 4:

Class : Class 4
B

Ans 5:

Class : Class 3
VERY GOOD !!!!!!""""""""""

Ans 6:

Class : Class 4
b chalk powder

Ans 7:

Class : Class 3
B

Ans 8:

Class : Class 6
A

Ans 9:

Class : Class 3
Class = 3B chalk powder

Ans 10:

Class : Class 4
B

Ans 11:

Class : Class 3
the correct answer is option d

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
i am not satisfied with the answer D is also correct

Ans 2:

Class : Class 4

Ans 3:

Class : Class 5
how is d correct deforestation destroys habitats while afforestation is planting trees which does the opposite.the answer is a

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Subject :NSO    Class : Class 5

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