Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

What substance are proteins converted into during digestion?

A. amino acids
B. sugar
C. glucose
D. fat
Answer» B. sugar
2.

The process of purification of blood in the human body is called-

A. osmosis
B. Paralysis
C. Hemolysis
D. dialysis
Answer» E.
3.

What changes in blood pressure during sleep?

A. first decreases then increases
B. remains as before
C. decreases
D. grows
Answer» D. grows
4.

How many teeth develop twice in a human's life span?

A. 20
B. 28
C. 12
D. 4
Answer» B. 28
5.

The function of pace maker is-

A. start a heartbeat
B. start breathing
C. regulation of digestion
D. regulation of urine output
Answer» B. start breathing
6.

How often does the percentage of water in human blood plasma vary?

A. 80-82%
B. 91-92%
C. 70-75%
D. 60-64%
Answer» B. 91-92%
7.

Which acid is present in human stomach?

A. litric acid
B. picric acid
C. hydrochloric acid
D. sulfuric acid
Answer» D. sulfuric acid
8.

Blood flowing in the tubules does not clot in the presence of which of the following chemicals?

A. Thromboplast
B. Heparin
C. fibrin
D. Oxyhemoglobin
Answer» C. fibrin
9.

Which blood group is omnivorous?

A. O
B. AWAY
C. B
D. A
Answer» C. B
10.

Which salt is present in maximum amount in bone?

A. ferric nitrate
B. by cobalt deficiency
C. Sodium chloride
D. calcium phosphate
Answer» E.
11.

The function of heart in human body is-

A. raise the temperature
B. none of these
C. give energy to the body
D. like a popping station
Answer» E.
12.

Human blood pressure while running

A. keeps going up and down
B. remains the same
C. happens to
D. rises up
Answer» E.
13.

Pepsin is a-

A. Vitamins
B. minerals
C. hormones
D. Enzyme
Answer» E.
14.

The enzyme that digests milk protein is-

A. renin
B. Eropsin
C. trypsin
D. pepsin
Answer» B. Eropsin
15.

The main function of bile is-

A. emulsification of fat
B. all of the above
C. conversion of fatty acids and glycerol into WA
D. conversion of fats into fatty acids and glycerol
Answer» B. all of the above
16.

Which of the following is a metalloid -

A. all of these
B. bismuth
C. antimony
D. Arsenic
Answer» B. bismuth
17.

The polymerization of chloroethylene is obtained -

A. PVC
B. Rubber
C. urea
D. methane
Answer» B. Rubber
18.

In what form is urea present in fertilizer?

A. amide
B. ammonium
C. nitrite
D. nitrate
Answer» B. ammonium
19.

Which of the following is a bad conductor of electricity in spite of being a metal,

A. Nickel
B. lead
C. cooper
D. tin
Answer» C. cooper
20.

Which of the following compounds is not a Lewis acid?

A. Carbon
B. ammonia
C. boron fluorine boron fluorine boron fluorine boron florin boron florin boron florin boron florin boron florin boron florin boron florin boron florin boron florin boron florin boron boron boron florin florin boron florin
D. aluminum
Answer» D. aluminum
21.

Who is called the father of aromatic compounds?

A. aniline
B. phenol
C. Benzene
D. methane
Answer» D. methane
22.

The main constituent of natural gas is -

A. hydrogen
B. Ethylene
C. ethane
D. methane
Answer» E.
23.

The percentage of nitrogen in urea is -

A. 60%
B. 46%
C. 36%
D. 26%
Answer» C. 36%
24.

Methane has the shape of Anu

A. Quadrilateral
B. linear
C. planar
D. Angular
Answer» B. linear
25.

The octane number of a good anti-blasting compound is

A. infinite
B. Zero
C. Lower
D. High
Answer» E.
26.

Stainless steel is an alloy whereas air is a -

A. Merger
B. Element
C. Compound
D. mix
Answer» E.
27.

What type of reaction is the formation of poly-ethylene from ethylene?

A. Explosion
B. Evaporation
C. polymerization
D. condensation
Answer» D. condensation
28.

The main production of naphthalene is

A. none of these
B. charcoal
C. diesel
D. bitumen
Answer» E.
29.

have a taste for

A. tasteless
B. Sweet
C. sour
D. saline
Answer» E.
30.

A substance made by mixing two or more elements in a definite proportion with consideration in quantity is called-

A. Solid
B. mix
C. Compound
D. Element
Answer» D. Element
31.

The number of core electrons in sodium atom is

A. 10
B. 8
C. 2
D. 1
Answer» B. 8
32.

By mixing two or more pure substances in any ratio,

A. gas
B. mix
C. Compound
D. Element
Answer» C. Compound
33.

What is the chemical formula of salt?

A. none of these
B. water
C. carbonate
D. Sodium chloride
Answer» E.
34.

The following type of atom is found in which of the following -

A. non
B. nature element
C. minerals
D. mineral compound
Answer» D. mineral compound
35.

Which gas is produced by the reaction of water on aluminum carbide?

A. acetylene
B. Ethylene
C. ethane
D. methane
Answer» E.
36.

The fourth state of matter is

A. gas
B. plasma
C. liquid
D. Solid
Answer» C. liquid
37.

Glycogen, starch and cellulose are polymers of?

A. proton
B. lactose
C. glucose
D. fructose
Answer» D. fructose
38.

Which particle is needed for the continuous process of uralium fission to continue?

A. POSITRON
B. NEUTRON
C. POTRON
D. ELECTRON
Answer» C. POTRON
39.

The main component of bio gas is -

A. butane
B. propane
C. ethane
D. methane
Answer» E.
40.

By which reaction can an amide be converted to an amino?

A. hoffman
B. Clemens
C. kleijn
D. perkin
Answer» B. Clemens
41.

Water is a compound because -

A. It can be broken down into two simpler substances by chemical means.
B. It consists of two different elements joined by chemical bonds.
C. It contains hydrogen and oxygen.
D. It is found in three forms solid, liquid and gas.
Answer» C. It contains hydrogen and oxygen.
42.

The value of absolute temperature is -

A. 0°C
B. 100°C
C. -273°C
D. 0°C
Answer» D. 0°C
43.

very matter in the universe is made up of very fine particles.Who said this first?

A. by avogadro
B. by rutherford
C. canad
D. by dalton
Answer» D. by dalton
44.

ammo is

A. liquid
B. mix
C. Compound
D. Element
Answer» C. Compound
45.

Which of the following is a bad conductor of electricity despite being a metal?

A. Nickel
B. lead
C. Copper
D. teen
Answer» C. Copper
46.

Metallic luster is found in which of the following metals?

A. none of these
B. in both of the above
C. iodine
D. graphite
Answer» C. iodine
47.

Diamond is -

A. liquid
B. mixture
C. Compound
D. Element
Answer» E.
48.

Which of the following is not a mixture -

A. steel
B. Brass
C. glass
D. graphite
Answer» E.
49.

Which of the following is/are a metalloid?

A. none of these
B. bismuth
C. antimony
D. arsenic
Answer» B. bismuth
50.

The isomer compound shows the difference -

A. All
B. molecular formula
C. chemical
D. Physical
Answer» E.