National Science Olympiad Forum By SOF Olympiad Trainer - Page 346

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
WRONG MASTER

Ans 2: (Master Answer)

Class : Class 1

The correct answer is option D. 


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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 3

Ans 3:

Class : Class 3
But red means white ?? But red means white ??

Ans 4: (Master Answer)

Class : Class 1

(C): The colour of human blood is Red but Red means Black.


Ans 5:

Class : Class 7

Ans 6:

Class : Class 7
its A

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Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

D

Bird P has a hooked beak, which is suitable for traring and eating flesh of animals.
Bird Q has a pouch under the beak, which is suitable for gulping the whole fish.
Bird R has long pointy beak, which is suitable for drinking nectar of flowers.
Bird S has the short beak, which is suitable for eating seeds and grains.


Ans 2:

Class : Class 5
C

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Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1

B

P - Ant, Q - House fly, R - Honeybee, S - Cockroach
A rubbish dump mostly has ants, flies and cockroaches.


Ans 2:

Class : Class 5
B

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2: (Master Answer)

Class : Class 1

B

It takes 16 days for the animal X to become an adult after it is hatched. The shortest time-span is of egg stage, that is of 4 days.


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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 5
b

Ans 2:

Class : Class 5

Ans 3:

Class : Class 4
B

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 9
Anant is right. Warm clothes do not generate heat.

Ans 2:

Class : Class 4
Warm clothes do not generate heat but also do not allow cool air to enter hence creating warmth for the naptholine balls

Ans 3:

Class : Class 9
WOOLLEN CLOTHES DONT HAVE WARMTH THEY CANT CHANGE TEMPRATURE BY THEMSELVES THE CORRECT ANSWER SHOULD BE C

Ans 4:

Class : Class 9
nahi

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1

D

When the water of beakers X and Y will be mixed, the final temperature will be somewhere between 50°C-80°C. So the temperature will be < 80°C after an hour.


Ans 2:

Class : Class 7
babuski

Ans 3:

Class : Class 7
(Master Answer)The correct answer is D.

Ans 4:

Class : Class 7

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Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1

D


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