A student focussed the leaf epidermal peel under the low power of microscope but could not see all the parts. He should :(1) use the coarse adjustment knob again to focus the slide.(2) use the fine adjustment knob to increase magnification.(3) focus under high power using coarse adjustment knob.(4) focus under high power using fine adjustment knob.

A student focussed the leaf epidermal peel under the low power of micr

1.	A student focussed the leaf epidermal peel under the low power of microscope but could not see all the parts. He should :(1) use the coarse adjustment knob again to focus the slide.(2) use the fine adjustment knob to increase magnification.(3) focus under high power using coarse adjustment knob.(4) focus under high power using fine adjustment knob.
Answer» A student focussed the leaf epidermal peel under the low power of microscope but could not see all the parts. He should : (1) use the coarse adjustment knob again to focus the slide. (2) use the fine adjustment knob to increase magnification. (3) focus under high power using coarse adjustment knob. (4) focus under high power using fine adjustment knob.