Class IX Science MCQ Extra Questions Answers Class 9th Science Session 2022-23 Class 9 Science Terminal Exams MCQ Solutions 9th Science Terminal Exam Based MCQ Extra Questions
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Nakita
Asked: In: Class 9 Science
Class 9th Science Session 2022-23 Class 9 Science Terminal Exams MCQ Solutions 9th Science Terminal Exam Based MCQ Extra Questions Class IX Science MCQ Extra Questions Answers
Mukul Desai
Asked: In: Class 9 Science
Fuel is burned in the rocket and the exhaust gases are made to escape in a downward direction through a narrow nozzle. As a response, the rocket accelerates upward.
Perveen takur
Asked: In: Class 9 Science
Mass of rocket is greater than mass of gases as the rocket is used for carrying a satellite etc. to a suitable height above the ground.
Kapila
Asked: In: Class 9 Science
The first cell was observed in cork slice. Robert Hooke in 1665, observed the cells in a cork slice with the help of a primitive microscope.