Subject :NSO Class : Class 9
Subject :NSO Class : Class 2
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Subject :NSO Class : Class 4
Ans 1: (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.
Ans 2:
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 .
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 8
Ans 3:
Class : Class 7
The answer is given correctly in the solution but wrong in the answer. Answer should be a.
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Subject :NSO Class : Class 8
Ans 4:
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 6:
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 7:
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