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.

A liquid which is used to test fats is called

A. ethanol
B. ethylene
C. methanol
D. glycol
Answer» B. ethylene
2.

Biuret solution is used to test for

A. vitamins
B. proteins
C. carbohydrates
D. fats
Answer» C. carbohydrates
3.

Ruminants is referred to

A. cow
B. sheep
C. goat
D. all of them
Answer» E.
4.

If vitamins are taken in excess they can lead to

A. healthy growth
B. fast growth
C. toxicity
D. cell development
Answer» D. cell development
5.

The compounds which are made up of long chains of amino acids is called

A. proteins
B. sugars
C. lipids
D. fats
Answer» B. sugars
6.

The expansion and contraction among solid, liquids and gases the one which has greater tendency to expand is

A. solid
B. liquid
C. gas
D. molten
Answer» D. molten
7.

A metal ball which is passing through metal ring will not pass after

A. heating
B. freezing
C. constant conditions
D. accelerating
Answer» B. freezing
8.

When the substance cool off there is a decrease in

A. size of substance
B. vibrations
C. temperature
D. all of them
Answer» E.
9.

If one end of metal rod is heated the whole rod becomes hot due to

A. conduction
B. convection
C. radiation
D. expansion
Answer» B. convection
10.

The instruments which are used to measure temperature are called

A. barometer
B. mercury
C. spectrometer
D. thermometer
Answer» E.
11.

When energy is passed from one particle to another through a medium is called

A. conduction
B. convection
C. radiation
D. expansion
Answer» B. convection
12.

The measure of hotness of an object is known as

A. volume
B. density
C. temperature
D. heat
Answer» D. heat
13.

A breeze which is produced at night time when land loses more heat quickly is

A. land breeze
B. sea breeze
C. sand storm
D. thunderstorm
Answer» B. sea breeze
14.

The poor conductors of heat are also termed as

A. heat insulators
B. thermal insulators
C. both a and b
D. heat conductors
Answer» D. heat conductors
15.

Dull and black surfaces are heat's good

A. radiator
B. conductors
C. insulators
D. convectors
Answer» B. conductors
16.

A street lamp is example of

A. extended light source
B. point source light
C. both a and b
D. none
Answer» B. point source light
17.

A mirror which have reflected surface bugles outwards is called a

A. convex mirror
B. concave mirror
C. plane mirror
D. cosmetic mirror
Answer» B. concave mirror
18.

Mirrors which have curved surfaces are

A. concave
B. convex
C. both a and b
D. plane
Answer» D. plane
19.

Fluid which reflects all the colors of white light is

A. water
B. milk
C. orange juice
D. vinegar
Answer» C. orange juice
20.

The bouncing off or returning of light after striking a surface is called

A. reflection
B. refraction
C. transmission
D. mirror
Answer» B. refraction
21.

The sources of proteins includes

A. fish
B. poultry
C. eggs
D. all of them
Answer» E.
22.

An average person should consume water in a day equal to

A. 2-4 glasses
B. 2-4 gallons
C. 6-8 glasses
D. 10-12 liters
Answer» D. 10-12 liters
23.

Constipation is mainly because of less in take of

A. fiber
B. vitamins
C. carbohydrates
D. fats
Answer» B. vitamins
24.

Vitamin B1 and Vitamin C are

A. water soluble
B. fat soluble
C. both a and b
D. ethanol soluble
Answer» B. fat soluble
25.

Fats provide twice the energy more than

A. vitamins
B. carbohydrates
C. minerals
D. proteins
Answer» C. minerals
26.

Organisms which directly feed on producers are

A. primary consumer
B. secondary consumer
C. decomposer
D. carnivores
Answer» B. secondary consumer
27.

There occurs the diminishing along food chain in amount of

A. energy
B. heat
C. food
D. temperature
Answer» B. heat
28.

A series of organism through which energy is transferred in the form of food is called

A. food web
B. food chain
C. food cycle
D. ecosystem
Answer» C. food cycle
29.

Organisms which feed on secondary consumers are called

A. primary consumer
B. tertiary consumers
C. producers
D. decomposers
Answer» C. producers
30.

Voice is produced by the vibrations of

A. vocal cords
B. trachea
C. lungs
D. heart
Answer» B. trachea
31.

The division of windpipe is done in two

A. bronchioles
B. alveoli
C. nostril
D. bronchi
Answer» E.
32.

Exhaled air is the air which we

A. breath in
B. breath out
C. transport in body
D. use under water
Answer» C. transport in body
33.

The life span of red blood cells is

A. 2 months
B. 45 days
C. 4 months
D. 12 days
Answer» D. 12 days
34.

The transport system of blood by special organ heart constitutes

A. circulatory system
B. respiratory system
C. digestion system
D. nervous system
Answer» B. respiratory system
35.

The composition of red blood cells have specialized protein called

A. iron
B. chlorophyll
C. copper
D. silver
Answer» B. chlorophyll
36.

A rainbow colored disc was given by

A. Newton
B. Einstein
C. Thomson
D. Steve jobs
Answer» B. Einstein
37.

Shadows are formed due to way of light which always travel in

A. straight line
B. divergent line
C. convergent line
D. clusters
Answer» B. divergent line
38.

Diamond is a

A. transparent
B. translucent
C. opaque
D. semi-absorbent
Answer» B. translucent
39.

If light ray strikes a surface at right angle, it is reflected along

A. same path
B. opposite direction
C. reflected acutely
D. obtuse reflected
Answer» B. opposite direction
40.

A tube containing two or more plane mirrors inclined at certain angles to each other is called a

A. microscope
B. telescope
C. kaleidoscope
D. periscope
Answer» D. periscope
41.

In plants proteins are made by using

A. carbonates
B. nitrates
C. sulfates
D. chlorates
Answer» C. sulfates
42.

A parasitic plant which grows on host tree and kills slowly host tree is called

A. stranger fig
B. pine tree
C. snobar tree
D. mango tree
Answer» B. pine tree
43.

Strong jaws, sharp teeth and claws are features of

A. predator
B. prey
C. scavenger
D. wild animal
Answer» B. prey
44.

Deer protect themselves while grazing in groups called

A. flock
B. herd
C. pack
D. crowd
Answer» C. pack
45.

Organisms which are found in pond community includes

A. tubifex worm
B. terrapin
C. damselfly
D. all of them
Answer» E.
46.

Surplus carbohydrates are converted in our body in the form of

A. proteins
B. sugars
C. lipids
D. fats
Answer» E.
47.

Complex sugars includes

A. lactose
B. maltose
C. sucrose
D. all of them
Answer» E.
48.

The special type of proteins which are produced by our body to bring about or speed up chemical reaction in body is called

A. enzyme
B. catalyst
C. macro proteins
D. initiator
Answer» B. catalyst
49.

The process of removal of undigested food from body is known as

A. defecation
B. egestion
C. both a and b
D. excretion
Answer» D. excretion
50.

A small narrow tube which has strong muscles in its walls is called

A. esophagus
B. intestine
C. rectum
D. stomach
Answer» B. intestine