National Science Olympiad Forum By SOF Olympiad Trainer - Page 609

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
ANS = B

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
ANS = D

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
Its on 23 Nov 17. All the best

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 9
Answer is c

Ans 3:

Class : Class 8
ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc ccc

Ans 4:

Class : Class 7
C

Ans 5:

Class : Class 6
C

Ans 6:

Class : Class 4
C

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
Exactly , water vapour is a green house gas as it is made up of dust particles

Ans 2:

Class : Class 6
WATER VAPOUR IS A GREENHOUSE GAS???????????????????????????????????????????????????????????????????????????????

Ans 3:

Class : Class 9
Please tell the answer

Ans 4:

Class : Class 10

Ans 5:

Class : Class 5
Yes it is Soorya tej R

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 2
Loke the subject and good in Subject are two diffrent things..So,option D should be correct

Ans 2:

Class : Class 8
Answer is D. 'Liking a subject' and 'being good in a subject' is different.SOF and @Admin from Revisewise pls. explain

Ans 3:

Class : Class 7
It should be can't be determined because liking and being good are two different things ok get noobed

Ans 4:

Class : Class 4
correct answer is RIYA option b

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Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1
There are 9 flowers. The middle one is the 5th Flower (Blue). To the right of it are 4 flowers blue, green, red, blue. Hence there are 2 blue flowers to the right of middle flower

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Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1
Group P: Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate group - they do not have a backbone. Group Q: Fish, reptiles, birds, amphibians and mammals are different sub-groups of vertebrates - they all have internal skeletons and backbones. Hence d is the correct option.

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Subject :NSO    Class : Class 6

Observe the two figures given below. In figure I, a solution of sugar in water is heated and in figure II, only sugar is being heated. What is the correct sequence of changes taking place?


A In figure I, physical change is taking place while in figure II a chemical change is taking place.
B In figure I, a chemical change is taking place while in figure II a physical change is taking place.
C In both figures, physical changes are taking place.
D In both figures, chemical changes are taking place.


when water is added to water it undergoes a chemical change and not a physical change

Ans 1:

Class : Class 10
In figure II, when sugar is heated, it turns black due to the formation of a new substance and it cannot be reversed. Therefore, it is a chemical change.thats the reason

Ans 2:

Class : Class 7

Ans 3:

Class : Class 4

Ans 4:

Class : Class 9
a

Ans 5:

Class : Class 9

Ans 6:

Class : Class 7
VOILA

Ans 7:

Class : Class 9

Ans 8:

Class : Class 6

Ans 9:

Class : Class 8
6

Ans 10:

Class : Class 6

Ans 11: (Master Answer)

Class : Class 1
In figure I, evaporation of water from sugar solution is a physical change because there is only change in state of matter from liquid (sugar solution) to solid state (crystals of sugar). In figure II, when sugar is heated, it turns black due to the formation of a new substance and it cannot be reversed. Therefore, it is a chemical change.

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Subject :NSO    Class : Class 4

People living in different states of India, wear different types of clothes, depending on the climate and tradition of the state. Given figures show three persons from different states. Which of the following statements are INCORRECT regarding this?



1. Sandhya may belong to Maharashtra and Ranjeet may belong to Rajasthan.
2. Sukhdev may belong to Punjab
3. Both Sandhya and Sukhdev belong to Punjab
4. Both Ranjeet and Sukhdev belong to Rajasthan.

A1 and 2
B1 and 3
C3 and 4
D2, 3 and 4


Sandhya belongs to maharashtra. Her dress indicates this.So, I think the right answer is A.

Ans 1:

Class : Class 6
I think the answer is (c) 3&4 Because they both are incorrect

Ans 2:

Class : Class 1
It is C

Ans 3:

Class : Class 7
I read correct be sorry

Ans 4:

Class : Class 6
d

Ans 5:

Class : Class 4
C

Ans 6:

Class : Class 5
The answer is D

Ans 7:

Class : Class 4
Answer is C because it says which is incorrect

Ans 8:

Class : Class 6
How can Sukhdev be from Punjab also and Gujarat also?????????????

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