Subject :NSO Class : Class 5
Class : Class 7
The answer is C) i and iv as the fat deposition, blubber helps animals to live in cold climate, i.e. Polar Bear. The two mammals which lay eggs are Platypus and Anteater. All mammals are terrestrial is not correct as some mammals live in water, i.e. Dolphin, Whale. All birds can fly is incorrect as birds like Ostrich and Emu because they are too heavy to fly.
Subject :NSO Class : Class 3
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Subject :NSO Class : Class 1
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
Ans 2:
Class : Class 8
The correct answer is C. Because plants (mainly the aquatic plants) cannot release oxygen in a very low or high temperature. So the graph at C is right as it shows that aquatic plants release less oxygen in both low and high temperatures
Ans 17:
Class : Class 7
The correct answer is C. Because plants (mainly the aquatic plants) cannot release oxygen in a very low or high temperature. So the graph at C is right as it shows that aquatic plants release less oxygen in both low and high temperatures
Ans 18:
Class : Class 8
Oxygen cannot be released in very hot temperatures . Thus the correct answer is C
Ans 19:
Class : Class 10
Because oxygen is most released in moderate temperature only especially in aquatic plants.
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 4