Subject :NSO Class : Class 6
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.
Subject :NSO Class : Class 6
Ans 3: (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.
Ans 6:
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
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 4
Ans 1:
Class : Class 5
Answer is C because it tells a laptop changes electrical energy to light and sound energy and this tells energy changes from one form to another.
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 8
Ans 1:
Class : Class 9
it is test tube three as it depends on the reactivity series.only in test tube 3
zinc displaces copper and in the rest the metals cant displace the alternate metal as the metal in the salt solution is more reactive than the other metal
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 10
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Subject :NSO Class : Class 4
Ans 2:
Class : Class 5
Answer is D because you can see that the Q decreases and P increases in Z so M was introduced in Z.
Ans 10:
Class : Class 5
Answer is D because you can see that the Q decreases and P increases in Z so M was introduced in Z.And the food chain should be
P then M and then Q and the arrows show who eats whom.For example,the arrow pointing P back pointing to M tells P eats M.