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.

The food consumer that feeds on plants or producers is known as

A. consumer
B. carnivores
C. herbivores
D. producer
Answer» D. producer
2.

A place that provides organisms with food and shelter is known as

A. life
B. habitat
C. surrounding
D. style
Answer» C. surrounding
3.

A plant that derives some or all of its nutritional requirements from another living plant is known as

A. palisade
B. parasitic plant
C. chloroplast
D. stomata
Answer» C. chloroplast
4.

The solute will dissolve as fast as the

A. stirring is done
B. you will move from one place to other
C. you will observe
D. solvent mix
Answer» B. you will move from one place to other
5.

If the surface area of solid is decrease the dissolving will be

A. faster
B. slower
C. constant
D. medium
Answer» C. constant
6.

The solution will dissolve faster on increasing

A. pressure
B. density
C. concentration
D. temperature
Answer» E.
7.

When a salt completely dissolve in water we call it

A. disappear
B. dissolved
C. insoluble
D. salty
Answer» C. insoluble
8.

Talc powder when mix in water it

A. never dissolve
B. dissolved
C. soluble
D. mix
Answer» B. dissolved
9.

Other than nitrogen and oxygen, the composition of the rest of the gases is about

A. 4%
B. 3%
C. 2%
D. 1%
Answer» E.
10.

Oxidation is accompanied by

A. volume
B. heat & light
C. light
D. heat
Answer» C. light
11.

The condensation point of nitrogen gas is

A. −156 °C
B. −166 °C
C. −196 °C
D. −186 °C
Answer» D. −186 °C
12.

Exhaled air contains 16% oxygen and about 4% of carbon dioxide, the rest of 80% is

A. neon
B. argon
C. nitrogen
D. none of them
Answer» D. none of them
13.

Respiration takes place at/in

A. all of these
B. night
C. day time
D. evening
Answer» C. day time
14.

Oxygen gas is

A. tasteless
B. odorless
C. colorless
D. all of them
Answer» E.
15.

Photosynthesis occurs during the

A. night
B. day time
C. evening
D. none of them
Answer» C. evening
16.

The fractional distillation is a process in which liquids evaporate at

A. none of them
B. constant temperature
C. different temperature
D. same temperature
Answer» D. same temperature
17.

The breathing system of plants is present in

A. stem
B. roots
C. flower
D. leaves
Answer» E.
18.

Air present in 100cm3 of water is about

A. 2cm3
B. 3cm3
C. 4cm3
D. 5cm3
Answer» B. 3cm3
19.

The state that fills the volume of its container is

A. semi liquid
B. solid
C. gas
D. liquid
Answer» D. liquid
20.

The first step of fractional distillation of liquefied air is to bring the air to a very

A. high temperature
B. same temperature
C. low temperature
D. extreme temperature
Answer» D. extreme temperature
21.

Photosynthesis is a process in which carbon dioxide and water combine to form

A. carbon
B. calcium
C. chlorophyll
D. carbohydrates
Answer» E.
22.

The moisture capacity of air is called

A. vapors
B. humidity
C. moist
D. wet air
Answer» C. moist
23.

Fish exchange oxygen and carbon dioxide through gills in

A. liquid
B. water
C. material
D. solution
Answer» C. material
24.

The act of breaking of food substances in order to release energy is known as

A. process
B. transpiration
C. respiration
D. photosynthesis
Answer» D. photosynthesis
25.

The process in which carbon dioxide and water a re used as raw materials for the formation of oxygen and glucose sugar is known as

A. transpiration
B. photosynthesis
C. respiration
D. none of them
Answer» C. respiration
26.

The rate of photosynthesis rises when the temperature is at

A. 10 degree
B. static
C. higher side
D. lower side
Answer» D. lower side
27.

Plants of warmer regions can easily be grown in colder regions by the presence of

A. power plant
B. teahouse
C. greenhouses
D. green cell
Answer» D. green cell
28.

Photosynthesis is a reaction and reactions change their rate under the dependence of

A. temperature
B. air
C. gases
D. oxygen
Answer» B. air
29.

Different types of viruses attack different animals and human beings, animals get

A. flu
B. cough
C. fever
D. muscle cramps
Answer» B. cough
30.

Mould is a type of

A. virus
B. bacteria
C. fungi
D. algae
Answer» D. algae
31.

Cure for a viral disease (AIDS) is

A. not found
B. found
C. discovered
D. effective
Answer» B. found
32.

During baking process of bread ethanol is

A. absorbed
B. evaporated
C. condensed
D. reacted
Answer» C. condensed
33.

The process in which dead body of animal and plant is turned in smaller particles ultimately disappearing is called

A. evaporation
B. disappearance
C. fertilization
D. decomposition
Answer» E.
34.

Any non-living thing is known as

A. autotrophy
B. biotic
C. abiotic
D. bio magnifications
Answer» D. bio magnifications
35.

The habitat or growing place for young tadpoles is

A. desert
B. shallow water
C. forest
D. drop of water
Answer» C. forest
36.

The natural home of an organism is known as

A. house
B. habitat
C. place
D. pond
Answer» C. place
37.

Parasite that mostly feed themselves by sucking blood is known as

A. host
B. ectoparasite
C. camouflage
D. fungus
Answer» C. camouflage
38.

The most rare and environmental sensitive flower on earth is

A. rafflesia
B. violet
C. rose
D. daisy
Answer» B. violet
39.

The force is measured in SI unit

A. Newton
B. ampere
C. watt
D. volts
Answer» B. ampere
40.

Copper and aluminum have effect on magnet of

A. attract
B. repel
C. both attract and repel
D. no effect
Answer» E.
41.

When you jump up you feel a force pulling you back on Earth it is

A. magnetic force
B. frictional force
C. gravitational force
D. electrical force
Answer» D. electrical force
42.

There will be no weight of any object if there will be absence of

A. oxygen
B. nitrogen
C. stratosphere
D. gravitation
Answer» E.
43.

If a spring is stretch when it is

A. pulled
B. pushed
C. both a and b
D. released
Answer» B. pushed
44.

Carbon has the symbol

A. Ca
B. Cl
C. Cr
D. C
Answer» E.
45.

The symbol used in the periodic table for lead is

A. Cu
B. Zn
C. Pb
D. Fe
Answer» D. Fe
46.

Smaller amounts of sulfur are used to vulcanize natural rubbers, in the manufacture of gunpowder and as

A. dying agent
B. insecticides
C. fungicides
D. all of them
Answer» E.
47.

Chromatography is used to separate colored

A. mineral
B. compounds
C. molecule
D. elements
Answer» C. molecule
48.

A substance that consists of two or more atoms bound together is called

A. compound
B. element
C. atom
D. molecule
Answer» B. element
49.

The kingdom in which photosynthesis can take place is

A. plant
B. animal
C. plant and animal
D. fungi
Answer» B. animal
50.

Plants are known as purifiers of air due to the process of

A. desiccation
B. photosynthesis
C. respiration
D. transpiration
Answer» C. respiration