National Science Olympiad Forum By SOF Olympiad Trainer - Page 374

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
Heart ,artery and veins as you all know are parts of circulatory system . Thus, there is no odd one out in group X. Brain and spinal cord run your nervous system and liver helps in the digestive system . Kidney , skin and even lungs are part of excretory system so group Z is clear .Thus , option 'C' liver is the odd one out as it cannot be placed in group Y .

Ans 2: (Master Answer)

Class : Class 1

C

Heart, artery and vein of group X are part of circulatory system. Brain and spinal cord of group Y are part of nervous system while liver is a part of digestive system. Kidney, lung and skin of group Z are part of excretory system. Hence, liver cannot be placed in group Y.


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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Answer should be A

Ans 2:

Class : Class 6
Yes, it should be. It is given in the solution also

Ans 3:

Class : Class 9
Shouldn't answer be a instead of b

Ans 4:

Class : Class 7
The answer is given correctly in the solution but wrong in the answer. Answer should be a.

Ans 5:

Class : Class 8
answer should be a.

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 10
Answer should have been both ii and iii but there isn't such an option

Ans 2:

Class : Class 8
Yes answer should be B...

Ans 3:

Class : Class 6
yes the answer should be B

Ans 4:

Class : Class 7
I think the question is talking about friction so look for the points which are related to both heat and friction

Ans 5:

Class : Class 8

Ans 6:

Class : Class 10

Ans 7:

Class : Class 8
Correct Answer : (B)

Ans 8:

Class : Class 8
i agree man

Ans 9:

Class : Class 8
On rubbing two sticks together, friction produces heat and this leads to warming until the ignition point of the substance, when it catches fire. As per the options, onrubbing two sticks, *FIRE*produces heat and light and this *PRODUCES FIRE*.

Ans 10:

Class : Class 8
they are wronganswer is B

Ans 11:

Class : Class 8
This is easy

Ans 12:

Class : Class 7
the answer is B because fire is caused due to friction not because it gives ot heat and light energy. Sof , could you please clear my doubt

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 8

Ans 3: (Master Answer)

Class : Class 1

B


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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 7
https://www.sofolympiadtrainer.com/revisewise/questions/nso3_2015_mock1/images//CircleClove_fmt.jpeghttps://www.sofolympiadtrainer.com/revisewise/questions/nso3_2015_mock1/images//CirleOnion_fmt.jpeghttps://www.sofolympiadtrainer.com/revisewise/questions/nso3_2015_mock1/images//CircleCarrot_fmt.jpeghttps://www.sofolympiadtrainer.com/revisewise/questions/nso3_2015_mock1/images//CircleSpinach_fmt.jpeg

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5

Ans 2:

Class : Class 1
there are only 5 ways not 6 ways

Ans 3:

Class : Class 7
Theraresixwaysinwhichthetigercanreturntoitsden.

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