Subject :NSO Class : Class 3
Subject :NSO Class : Class 3
Ans 1:
Class : Class 3
It will be kidney because lungs give out carbon dioxide as waste.Heart is the wrong answer........
Ans 2:
Class : Class 3
I think both kidneys and hearth are correct. beacause lungs are in respiratory,curculatory and excretory system as they help us to brathe ,make pure blood and also the blood goes from hearth then lungs and then all parts. Plese tell how hearth is wrone.
Ans 4:
Class : Class 3
I think option a is also correct with option d as lungs are in curcularury system system too as the blood first goes to the lungs after the heath and then the body. Lungs also filter air and help us breathe so they are in excretory and resperatory system too. Plese tell how option a hearth is wrong .
Ans 5:
Class : Class 6
I thinks it should be heart. As lungs are connected with the heart not kidney.
Ans 8:
Class : Class 3
i think brain n spinal cord are parts of nervous system whereas kidneys n lungs are part of excretory system,through lungs we inhale o2 n exhale co2,kidneys excrete urines
Ans 14:
Class : Class 6
lungs and spinal cords are part of nervous system so lungs and kidney are part of excretory system(lungs dispose co2 from body)
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
Ans 1:
Class : Class 1
@Bhagyesh You need to use your brain and do it with your hands. Simple. @Raavi no need of that big thingy
Ans 5:
Class : Class 7
This is wrong. The answer should be C, due to induction. The positive charges move to the bottom as they repel, while the negative particles should move to the top, as they are attracted to the positive particles in the bar.
Ans 8:
Class : Class 8
@bhagyesh .As metal rod or electroscope is positively charged all the currents flown to the object will be positive and the leaves will repel each other
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Subject :NSO Class : Class 6
Ans 8:
Class : Class 6
Loud speakers use electromagnets as they dont need magnetic force when not in use so ans is B
Ans 15:
Class : Class 9
The answer is B as loudspeakers use electromagnets and the magnetic field isn't there always .
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 5
Ans 2:
Class : Class 6
Ans should be A because tuemeric powder is solid and solids are incompressible. Liquids are also incompressible but the some of the liquid has gone above the end of the piston, which is inside the syringe. Gases are compressible, so the piston easily moves.