National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
correct answer is a

Ans 2:

Class : Class 4

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Subject :NSO    Class : Class 4

Select the option that correctly compares clothes made from natural and synthetic fibres.

-------Clothes made of natural fibres---------Clothes made of synthetic fibres
AQuick drying-------------------------------------Slow drying
BNon-porous---------------------------------------Porous
CBiodegradable------------------------------------Non-biodegradable
DNon-waterproof----------------------------------Waterproof


Is this answer correct? Option D is correct as per system!

Ans 1:

Class : Class 4
NO,D IS WRITE ANSWER

Ans 2:

Class : Class 5
c is correct

Ans 3:

Class : Class 5
But why is (C) the correct option?

Ans 4:

Class : Class 5
C is the correct answer

Ans 5:

Class : Class 4
C

Ans 6:

Class : Class 4
c I correct

Ans 7:

Class : Class 4

Ans 8:

Class : Class 7
I too think C. is the correct answer.

Ans 9:

Class : Class 4
I think C is the right ans

Ans 10:

Class : Class 6
C is also correct.So option should be C and D.

Ans 11:

Class : Class 5

Ans 12:

Class : Class 7
Option C is the correct ans

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
answer c is correct because broccoli is a flower but what a you are saying is wrong because potato is a stem not a root

Ans 2:

Class : Class 5
C.BROCCOLI-FLOWER

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Subject :NSO    Class : Class 4

Read the given passage carefully.
Houseflies go through stages in their life cycle. The housefly lays hundreds of eggs at a time. Each egg hatches to produce a young one called a . The larva of a housefly is called . After some days, the larva becomes barrel-shaped. It is now called a . The pupa is covered by a . The e breaks open in a week and a young housefly comes out.Select the option which correctly fills any three blanks.

Aa - four ,     c - nymph ,     d - cocoon
Bb - larva ,    d - pupa ,       e - cocoon
Ca - three ,     b - larva ,      d - pupa
Dc - maggot ,  d - pupa ,     e - nymph


Ans 1:

Class : Class 5
correct answer is b, because he has asked to fill any 3 blanks with correct option.

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8
we know that force = mass * acceleration here, mass = 4 kg and acceleration = 0.8 m/s so force = 4 * 0.8 = 3.2 N and frictional force = 15 N So total force acting on it = 15 + 3.2 = 18.2 N

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Subject :NSO    Class : Class 3

Ans 1:

Class :
Each of these organs synthesizes its mixture of digestive juices that breaks down food into smaller pieces that can be absorbed into the body. 1. Salivary Glands. The main salivary glands are found in the cheeks, under the tongue and around the jaw. ... 2. Stomach. ... 3. Pancreas. ... 4. Liver. ... 5. Intestines. Answer is B - Intestine Stomach and Salivary glands

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7
THE ANSWER SHOULD BE D

Ans 3:

Class : Class 7
d

Ans 4:

Class : Class 6
the question is incomplete and even solution is also not correct please give the right question and its solution

Ans 5:

Class : Class 8
answer and explantion

Ans 6:

Class : Class 9
Evaporation occur at all temperature.

Ans 7:

Class : Class 6

Ans 8:

Class : Class 8

Ans 9:

Class : Class 7
Not able to understand. Please give a clear explanation team Olympiad Trainer.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 3

Ans 3:

Class :
D Cross

Ans 4:

Class : Class 5

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 5

Krishang dropped a piece of stone and one teaspoon of sugar into a beaker containing water. He noticed that after sometime only the stone remained at the bottom. Which of the following conclusions can be made by Krishang?

ASugar is soluble and heavier than water whereas stone is insoluble and lighter.
BSugar is soluble and lighter than water whereas stone is insoluble and heavier.
CBoth sugar and stone are heavier than water. However, sugar is soluble whereas stone is not.
DBoth sugar and stone are lighter than water. However, sugar is soluble whereas stone is not.


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