Here, you may find CSS Optional Subjects MCQs. If you want to prepare MCQs of optional subjects, CSS MCQs platform is here to serve you while preparing your MCQs portion of your CSS Exam. Please practice these CSS Optional Subjects MCQs on a daily basis.
Which atmosphere is used for commercial aircrafts?
A. Stratosphere
B. Troposphere
C. Mesosphere
D. Thermosphere (more…)
C Latham Sholes invented keyboard.Who invented keyboard?
A: Charles Babbage
B: Vint Cerf
C: Tim Bernerse Lee
D: C Latham Sholes
Which lens is by a camera to form an image?
A. convex lens
B. concave lens
C. condenser lens
D. None of these (more…)
Which one of the following is the largest Galaxy in the universe?
A. Andromeda Galaxy
B. Milky-Way
C. Spiral Galaxy
D. Horseshoe Galaxy
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