Officerswiki is a free education & learning platform for all students and working professionals, where they can practice multiple choice questions & answers (MCQs). These all MCQs on Officerswiki are FreeMcqs which are helpful in all types of exams such as PPSC, FPSC, CSS, NTS, PMS and UPSC. Read all these questions and answer for your knowledge.
Which of the following is the study of micro- organisms, mostly viruses and single celled organisms such as bacteria, yeasts and protozoa ?
What’s the Strongest Muscle in the Human Body based on its weight?
Which of the following protects the body against infectious disease and foreign invaders?
B. Red blood cells
C. Endoplasmic reticulum (ER)
D. Golgi apparatus
Which of the following is commonly called a polyamide ?
Which of the following is not a chemical reaction ?
A. Burning of coal
B. Conversion of water into steam
C. Digestion of food
D. Burning of paper
A doctor who specializes in diseases of the nose?
Which among the following types of lenses are prescribed by doctors for a patient suffering from astigmatism?
A. Cylindrical Lens
B. Concave Lens
C. Spherical Lens
D. Convex Lens
A convex mirror always ___________ ?
A. Forms a real image
B. Forms a virtual image
C. Forms an inverted image
D. Produces a larger image
D. None of these
The distance between the optical centre of a convex lens and its principal focus is called its_______?
A. Focal Length
B. Radius of Curvature
Why does the colour of the Ocean appear blue?
A. Because the sunlight falling on it is scattered.
B. Because the sunlight falling on it is absorbed.
C. Because the sunlight falling on it is refracted.
D. Because the sunlight falling on it is reflected.
What type of a mirror is used in anti-shop-lifting-devices?
A. Convex mirror
B. Concave mirror
C. Plane mirror
D. Both (b) and (c)
A doctor who specializes in diseases of the nose?,A convex mirror always ,Which of the following is commonly called a polyamide ?