9th Standard Science Chapter-9

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9th Standard Science quiz Chapter-9 for solving the quiz students they will prepare exam, those who are  preparing yourself Competitive Exam like TET, JRF and NTA etc

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9th standard Science Chapter 8

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Q.71 Where did the Dutch start forest management in Indonesia?

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Q.72 The Kalangs resisted the Dutch in

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Q.73 What was the system of ‘blandongdiensten’?

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Q.74 What was the policy followed by the British in India towards forests during the First and the Second World Wars?

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Q.75 Who wrote the book ‘The Forests of India’ in the year 1923?

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Q.71 Among the following statements which one is incorrect?

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Q.72 An apple falls from a tree because of the gravitational attraction between the earth and the apple. If F1 is the magnitude of the force exerted by the earth on the apple and F2 is the magnitude of the force exerted by the apple on the earth, then

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Q.73 The earth and the moon are attracted to each other by gravitational force. The earth attracts the moon with a force that is:

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Q.74  A stone is released from the top of a tower of height 19.6 m. Then its final velocity just before touching the ground will be:

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Q.75 Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be:

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