Category: Everyday Science MCQs

A very important practical application of properties of matter is hoeing or “godi” practiced by the farmers. This property of matter is called:

(A) Elasticity
(B) Stress
(C) Capillarity
(D) Strain

Q. The ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity is called:
(A) Capillarity
(B) Absorption
(C) Retarding force
(D) None of these

Q. The first recorded observation of capillary action was by:
(A) Robert Boyle
(B) Leonardo da Vinci
(C) Galileo
(D) None of these

Answers:
1. (C) Capillarity
2. (A) Capillarity
3. (B) Leonardo da Vinci

One of the countries through which equator passes is:

(A) Kenya
(B) Pakistan
(C) Malaysia
(D) Malta

Q. The equator of a rotating spheroid is the parallel at which latitude is defined to be:
(A) 90°
(B) 180°
(C) 0°
(D) None of these

Q. On Earth, the equator is about ______ long. 
(A) 30,075 km
(B) 40,075 km
(C) 50,075 km
(D) 60,075 km

Answers:
1. (A) Kenya
2. (C) 0°
3. (B) 40,075 km

Bronze medal is made up of metals:

(A) Copper, Nickel
(B) Copper, Tin
(C) Copper, Silver
(D) Copper, Zinc

Q. The archaeological period in which bronze was the hardest metal in widespread use is known as:
(A) Bronze Age
(B) Bronze Period
(C) Bronze Era
(D) None of these

Q. Brass is an alloy of:
(A) Copper, Nickel
(B) Copper, Tin
(C) Copper, Silver
(D) Copper, Zinc

Answers:
1. (B) Copper, Tin
2. (A) Bronze Age
3. (D) Copper, Zinc

Magnifying power of a simple microscope can be increased by:

(A) Increasing focal length of the lens
(B) Decreasing focal length of the lens
(C) Lens of large aperture
(D) Lens of short aperture

Q. Instruments that use electromagnetic radiation to image objects are called:
(A) X-ray Microscopes
(B) Electric Microscopes
(C) Magnetic Microscopes
(D) None of these

Q. The most common and the first invented microscope is:
(A) Electron Microscope
(B) X-ray Microscope
(C) Optical Microscope
(D) None of these

Answers:
1. (B) Decreasing focal length of the lens
2. (A) X-ray Microscope
3. (C) Optical Microscope

Lactometer is a type of hydrometer which is used to measure the specific gravity of:

(A) Honey
(B) Water
(C) Milk
(D) Olive oil

Q. A saccharometer is a hydrometer used for determining the amount of _______ in a solution.
(A) Sugar
(B) Salt
(C) Acid
(D) None of these

Q. A saccharometer is a hydrometer invented by:
(A) Robert Boyle
(B) Thomas Thomson
(C) Galileo
(D) None of these

Answers:
1. (C) Milk
2. (A) Sugar
3. (B) Thomas Thomson