Subject :NSO Class : Class 7
Subject :NSO Class : Class 2
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
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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 5
Ans 1:
Class : Class 8
Birds have hollow bones which make them light. They also have streamlined body which help them to fly in the air.
Ans 3:
Class : Class 5
Birds have a proper body structure. There bones are light. They have feathers which helps them to fly. They use there tails as rudders to change direction.
Ans 5:
Class : Class 7
Hollow bones to reduce body mass , feathers covering their body ,a stream lined body with powerful tail and wings with powerful muscles are the adaptations in birds for for flying.
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 7