Q&A

1.Name the part of ear in humans, which is like a stretched membrane that separates

1.Name the part of ear in humans, which is like a stretched membrane that separates external ear to the middle ear.
PinnaInternal earEardrumNone of them
2. In a silkworm ,the eggs are hatched to produce- PupaLarvaAdult SilkwormNone of these
3. Which of the following characteristics of sound depends on the amplitude of vibrations? PitchLoudnessSpeedNone of these
4. Binary fission is observed in AmoebaHydraFishHunans
5. A simple pendulum makes 20 oscillations in 80 seconds. What is the time period and frequency of its oscillation? 4 sec, 0.25 hertz2 sec, 0.25 hertz4 sec , 0.20 hertzNone of these

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