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.

Things without gravitation will be

A. stationary
B. moving
C. weightless
D. standing
Answer» D. standing
2.

The poles of magnets are

A. north pole and south pole
B. east and west
C. X-axis and Y-axis
D. upward and downward
Answer» B. east and west
3.

Iron, steel, nickel and cobalt are materials which a magnet will

A. attract
B. repel
C. both attract and repel
D. rotate
Answer» B. repel
4.

If we throw a ball upwards it will come to ground by a force called

A. magnetic
B. friction
C. gravity
D. electricity
Answer» D. electricity
5.

If an object is moving through air its surface is in the contact with air so its called

A. thrust
B. air resistance
C. friction
D. air friction
Answer» C. friction
6.

An object can be slowed down by

A. pull
B. push
C. force
D. energy
Answer» D. energy
7.

A push on spring can cause it to

A. compress
B. stretch
C. elongate
D. enlarge
Answer» B. stretch
8.

Direction of a moving abject can be changed by help of

A. pull
B. push
C. force
D. energy
Answer» D. energy
9.

The process of bread making by addition of yeast is known as

A. fermentation
B. pasteurization
C. production
D. yeast formation
Answer» B. pasteurization
10.

About bacteria its been known that

A. some are useful
B. some are harmful
C. both a and b
D. none are useful
Answer» D. none are useful
11.

The function of antibiotics is to kill

A. virus
B. bacteria
C. fungi
D. algae
Answer» C. fungi
12.

Viruses cannot be observed under ordinary microscope they are smaller than

A. bacteria
B. amoeba
C. paramecium
D. fungi
Answer» B. amoeba
13.

Virus, bacteria and fungi can cause

A. diseases
B. cloning
C. reproduction
D. development
Answer» B. cloning
14.

In two-dimensional chromatography, the paper used is

A. rectangular
B. round
C. triangle
D. semi-circle
Answer» B. round
15.

If current is passed through water, the molecules of water will split into

A. hydrogen & oxygen
B. neuron & proton
C. iron & oxygen
D. neon & boron
Answer» B. neuron & proton
16.

A metal used in the manufacturing of car batteries is known as

A. copper
B. gold
C. lead
D. Sulphur
Answer» D. Sulphur
17.

The element hydrogen is made from atoms containing a single proton and a single

A. electron
B. carbon
C. neutron
D. molecule
Answer» B. carbon
18.

The two substances mixed together without any chemical reaction form a

A. molecule
B. compound
C. mixture
D. solution
Answer» D. solution
19.

Bacteria reside in mouth of organism in form of

A. plaque
B. cavity
C. calcium
D. vitamin D
Answer» B. cavity
20.

Bacteria is very tiny and cannot be seen with

A. naked eye
B. microscope
C. compound microscope
D. electron microscope
Answer» B. microscope
21.

Heating of food is done in pasteurization to prevent

A. spoilage
B. over heating
C. mineral retention
D. taste
Answer» B. over heating
22.

Amoeba, paramecium and bacteria are examples of

A. animals
B. plants
C. virus
D. microbes
Answer» E.
23.

The introduction of dead or weekend germs into body orally or by injection so as to train body to fight against the real germ should they attack body is

A. vaccination
B. anticipation
C. immunity
D. variation
Answer» B. anticipation
24.

A substance that lacks the characteristics of metals is known as

A. transparent
B. non-metal
C. metal
D. liquid
Answer» C. metal
25.

The basic building blocks that make up each and every object are known as

A. solution
B. mixture
C. molecule
D. atom
Answer» E.
26.

The most abundant element in the universe found yet is

A. nitrogen
B. hydrogen
C. oxygen
D. Sulphur
Answer» C. oxygen
27.

An alloy made up of iron and carbon is

A. steel
B. nickel
C. iron
D. copper
Answer» B. nickel
28.

A bowl of oat meal is an example of

A. collection
B. solution
C. compound
D. mixture
Answer» E.
29.

Electrons are sub-atomic particles that rule the outer part of the

A. photon
B. particle
C. atom
D. molecule
Answer» D. molecule
30.

Palisade cells are made up of

A. flattened cells
B. muscles
C. nerves
D. chlorophyll
Answer» E.
31.

A cell that transports oxygen from lungs to the body and carbon dioxide from body to the lungs is known as

A. nerve
B. root hair
C. palisade
D. red blood
Answer» E.
32.

Organisms made up of huge amount of cells(like humans) are known as

A. multicellular
B. unicellular
C. epithelial
D. epidermal
Answer» B. unicellular
33.

The border of cell that allow some substance to enter is known as

A. nucleus
B. cell membrane
C. cytoplasm
D. vacuole
Answer» C. cytoplasm
34.

In plant cells, there is a cell wall outside the cell membrane. This cell wall is made up of

A. DNA
B. cellulose
C. chloroplast
D. mitochondria
Answer» C. chloroplast
35.

Vascular bundles are mostly found in

A. flower
B. plant stem
C. leaves
D. roots
Answer» C. leaves
36.

A red pigment made of iron, present in the red blood cells is known as

A. hemoglobin
B. oxygen
C. carbon dioxide
D. nucleus
Answer» B. oxygen
37.

Group of cells that are similar in task and nature form a

A. Tissue
B. organ
C. organism
D. cytoplasm
Answer» B. organ
38.

The magnification of electron microscope is about

A. 2000 times
B. 3000 times
C. 1000 times
D. 4000 times
Answer» C. 1000 times
39.

When the specimen comes in a broad focus, we should turn the knob of

A. fine adjustment
B. coarse adjustment
C. condenser lens
D. illumination
Answer» C. condenser lens
40.

To magnify further, we use the

A. nosepiece
B. turret
C. fine adjustment
D. coarse focus
Answer» B. turret
41.

The mesophyll layer present under the upper epidermis of the leaf is known as

A. palisade
B. root hair
C. spongy
D. nerve
Answer» B. root hair
42.

Animal cells do not contain

A. chloroplast
B. cytoplasm
C. nucleus
D. cell membrane
Answer» B. cytoplasm
43.

A semi-solid/jelly like substance present in both, animal and plant, cells is known as

A. cytoplasm
B. organelles
C. nucleus
D. Cellulose
Answer» B. organelles
44.

In respiration, living organisms take in oxygen and give out

A. water vapor
B. argon
C. carbon dioxide
D. nitrogen
Answer» D. nitrogen
45.

The second step of fractional distillation is heating the mixture so that components evaporate at their

A. boiling point
B. freezing point
C. neutral point
D. none of them
Answer» B. freezing point
46.

The percentage composition of nitrogen in air is

A. 58%
B. 68%
C. 78%
D. 88%
Answer» D. 88%
47.

A thin layer that is held in place by gravity and provides us with oxygen is known as

A. temperature
B. season
C. atmosphere
D. weather
Answer» D. weather
48.

An odorless, invisible gas that makes about 20%-22% of the earth's atmosphere is known as

A. oxygen
B. nitrogen
C. argon
D. carbon
Answer» B. nitrogen
49.

A reaction in which oxygen is used up for the production of thermal and light energy is known as

A. production
B. combustion
C. reaction
D. respiration
Answer» C. reaction
50.

Iron rusts when it comes in contact with

A. carbon dioxide & water
B. oxygen & water
C. many gases
D. nitrogen & oxygen
Answer» C. many gases