Q31 of 56 Page 1

The steps involved in observing a slide under a microscope are given below. They are not in proper sequence.

I. Focus the object under high power microscope.


II. Place the slide on the stage of the microscope.


III. Arrange the mirror to reflect maximum light to the slide.


IV. Focus the object under low power of microscope.


The proper sequence of steps is

The correct order for observing a slide under a microscope is as follows:

Arrange the mirror to reflect maximum light to the slide, Focus the object under low power of microscope, Place the slide on the stage of the microscope and Focus the object under high power microscope.

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A student added acetic acid to test tubes I, II, III and IV containing the labeled substances and then brought a burning splinter near the mouth of each test tube.


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Following are the steps involved in the experiment ‘to determine the percentage of water absorbed by raisins’. They are not in proper sequence.

I. Soak the raisins in fresh water.


II. Weigh dry raisins.


III. Weigh soaked raisins.


IV. Wipe out soaked raisins.


The proper sequence of step is