Question

A student has to observe a permanent slide of binary fission in Amoeba. Find the correct sequence of steps given below for focussing the object under a microscope.

(a) Place the slide on the stage, look through the eye-piece and adjust the mirror to get proper illumination.

(b) Focus the slide sharp using fine adjustment screw

(c) Look through the eye-piece and raise the objective lens using coarse adjustment screw till the object is focussed.

(d) Look through the eye-piece and move the slide till the object is visible.

(A) d, c, b, a

(B) a, b, d, c

(C) a, d, c, b

(D) a, c, d, b

Answer 1

The correct order of steps is a, d, c, b.

The correct answer is C.