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.

Which greenhouse gas, other than methane, is produced by agricultural fields

A. Ammonia
B. Sulphur dioxide
C. Chloro-fluoro-carbon
D. Nitrous oxide
Answer» E.
2.

Which of the following is known as Natures ploughman

A. Neries
B. Cattle Leech
C. Earthworm
D. Polygordius
Answer» D. Polygordius
3.

The Compressed Natural Gas (CNG) mainly consists of

A. Butane
B. Ethane
C. Methane
D. Propane
Answer» D. Propane
4.

The primary ore of Mercury (Hg) metal is

A. Rock salt
B. Cinnabar
C. Calamine
D. Haematite
Answer» C. Calamine
5.

Which of the following non-metals is a liquid at room temperature

A. Bromine
B. Carbon
C. Sulphur
D. Iodine
Answer» B. Carbon
6.

The most common Salt in the sea water is

A. Calcium Carbonate
B. Sodium Chloride
C. Sodium Sulphate
D. Potassium Chloride
Answer» C. Sodium Sulphate
7.

Black soil is used for the cultivation of

A. Jute
B. Wheat
C. Cotton
D. Sugarcane
Answer» D. Sugarcane
8.

The pathogen of pneumonia is

A. Bacteria
B. Fungi
C. Protozoa
D. Virus
Answer» B. Fungi
9.

Matti Makkonen is known as the

A. Father of cell phone
B. Father of SMS
C. Father of e-mail
D. Father of e-marketing
Answer» C. Father of e-mail
10.

Which one of the following is an artificial ecosystem

A. Pond
B. Lake
C. Forest
D. Crop field
Answer» E.
11.

Aeroponics is a technique of growing plants without

A. Soil
B. Water
C. Air
D. Fertilizer
Answer» B. Water
12.

The __ phosphorus is used in safety metals

A. Red
B. Yellow
C. White
D. Black
Answer» B. Yellow
13.

Radium is obtained from which mineral

A. Limestone
B. Haematite
C. Pitchblende
D. None of the above
Answer» D. None of the above
14.

Which one is used as Petrol additive

A. Isobutanol
B. Tetraethyl Lead
C. Strontium Nitrate
D. Urethane
Answer» C. Strontium Nitrate
15.

What is the basic mineral used in making glass

A. Silica
B. Soda ash
C. Lime Stone
D. Sand
Answer» B. Soda ash
16.

A temperature of 600 C is equal to

A. 130 0 F
B. 140 0 F
C. 150 0 F
D. 160 0 F
Answer» C. 150 0 F
17.

Dioxins are produced from

A. Waste lands
B. Power Plants
C. Sugar factories
D. Combustion of plastics
Answer» B. Power Plants
18.

Leukaemia or blood cancer is characterised by abnormal increase of the

A. Blood Plasma
B. Red blood cells
C. White blood cells
D. Blood Platlets
Answer» D. Blood Platlets
19.

Mushroom is a

A. Plant
B. Flower
C. Fungi
D. Bacteria
Answer» D. Bacteria
20.

Concave lens is used to correct

A. Cataract
B. Hypermetropia
C. Myopia
D. Presbyopia
Answer» D. Presbyopia
21.

Cotton dust from textile mills causes a disease known as

A. Silicosis
B. Fluorosis
C. Cancer
D. Byssinosis
Answer» E.
22.

Cystitis is the infection of which of the following

A. Liver
B. Lung
C. Pancreas
D. Urinary bladder
Answer» E.
23.

Containers for carrying strong Acids are made of

A. Lead
B. Platinum
C. Brass
D. Copper
Answer» B. Platinum
24.

Leakagaes in household LPG can be detected beacuse of the strong smell of __ mixed with LPG

A. Formaldehyde
B. Methyl Bromide
C. Ethyl Mercaptan
D. Ammonia
Answer» D. Ammonia
25.

The correct pair is

A. Vitamin B1-Retinol
B. Vitamin B2-Riboflavin
C. Vitamin B6-Niacin
D. Vitamin C-Calcifero
Answer» C. Vitamin B6-Niacin
26.

The pH value of water used for a boiler should be nearly

A. 7.0
B. 8.5
C. 10.7
D. 11.2
Answer» C. 10.7
27.

The normal temperature of human body in Kelvin scale is

A. 290
B. 300
C. 310
D. 312
Answer» D. 312
28.

Acid rain contains

A. Sulphuric acid and Nitric acid
B. Carbon di oxide and Carbon mono oxide
C. Methane and Suphuric acid
D. Nitric acid and Hydrochloric acid
Answer» B. Carbon di oxide and Carbon mono oxide
29.

The amount of ground displacement in a earthquake is called

A. Dip
B. Slip
C. Focus
D. Thrust
Answer» C. Focus
30.

In fireworks, the green flame is produced bacuse of __

A. Potassium
B. Phosphorus
C. Barium
D. Bromine
Answer» D. Bromine
31.

Which of the following metals is mixed with iron to produce stainless steel

A. Titanium
B. Zinc
C. Chromium
D. Tin
Answer» D. Tin
32.

Which metal is used for coating of Galvanization

A. Copper
B. Zinc
C. Iron
D. Tin
Answer» C. Iron
33.

Iron is obtained mostly from

A. Siderites
B. Iron pyrites
C. Magnetite
D. Haematite
Answer» E.
34.

The substance coated on plastic tape-recorder tapes is

A. Iron oxide
B. Zinc oxide
C. Magnesium oxide
D. Iron sulphate
Answer» B. Zinc oxide
35.

The full form of SIM is

A. Subscriber Identity Module
B. Subscriber Identity Machine
C. Self Identity Machine
D. Self Identity Module
Answer» B. Subscriber Identity Machine
36.

The Kelvin scale of temperature for boiling point of water is

A. 100 K
B. 270.5 K
C. 373.2 K
D. 456.2 K
Answer» D. 456.2 K
37.

Pendulum clocks become slow in summer because

A. Days in summer are large
B. Of the friction in the coil
C. The weight of the pendulum changes
D. The length of the pendulum increases
Answer» E.
38.

The full form of MRI is

A. Magnetic Record of Intestines
B. Magnetic Recording of Investigations
C. Magnetic Resonance Imaging
D. Magnetic Resonance in Intestines
Answer» D. Magnetic Resonance in Intestines
39.

White colour of milk is due to the presence of

A. Lactose
B. Caseins
C. Carotenes
D. Albumins
Answer» C. Carotenes
40.

Laser is a device for producing

A. Spontaneous radiation
B. Dispersed radiation
C. Scattered radiation
D. Stimulated radiation
Answer» E.
41.

Which of the following gets deficient in the human body due to Dengue fever

A. Platelets
B. Haemoglobin
C. Sugar
D. Water
Answer» B. Haemoglobin
42.

The cycling of elements in an ecosystem is called

A. Chemical cycles
B. Biogeochemical cycles
C. Geological cycles
D. Geochemical cycles
Answer» C. Geological cycles
43.

Which one of the following is not an explosive matter

A. Trinitro toluene
B. Dinitro glycerine
C. Cyclo Trimethylene trinitramine
D. Nitrocholoform
Answer» E.
44.

Ozone protects biosphere from

A. Infra-red rays
B. Ultraviolet rays
C. X-rays
D. Gama rays
Answer» C. X-rays
45.

A single type of atom is found in

A. Compounds of minerals
B. Mixture of minerals
C. Native elements
D. None of the above
Answer» D. None of the above
46.

After which American scientist is 'h-index' named

A. Jorge E. Hirsch
B. Frederick Sainger
C. Linus Pauling
D. Percy Julian
Answer» B. Frederick Sainger
47.

Which one of the following polymers is widely used for making bullet proof material

A. Polyvinyl chloride
B. Polyamides
C. Polyethylene
D. Polycarbonates
Answer» D. Polycarbonates
48.

Driving force for an ecosystem is

A. Solar energy
B. Vegetation
C. Producers
D. Biomass
Answer» B. Vegetation
49.

If ballon filled with air is immersed in hot water, its volume would

A. Reduce
B. Increase
C. Remain same
D. None of the above
Answer» C. Remain same
50.

Hydrophobia is a symptom of which disease

A. Filaria
B. Malaria
C. Swine Flu
D. Rabies
Answer» E.