1098 + Mcqs in Science McqOptions

1.	A sensor which can sense brightness in surroundings is called
A.	data logger
B.	light sensor
C.	spectacles
D.	sensory setup
Answer» C. spectacles

Discussion

2.	Polished metals are
A.	smooth
B.	shiny
C.	reflect light well
D.	all of them
Answer» E.

Discussion

3.	Wood is a
A.	transparent materials
B.	translucent material
C.	opaque materials
D.	abstract materials
Answer» D. abstract materials

Discussion

4.	Energy savers such as florescent bulbs require less energy than a
A.	filament bulb
B.	zero bulb
C.	sparkler
D.	oil lamp
Answer» B. zero bulb

Discussion

5.	The organ that detects light and converts it into electro-chemical impulses is known as
A.	Eye
B.	Nose
C.	Ear
D.	Skin
Answer» B. Nose

Discussion

6.	The choroid layer is full of
A.	tubes
B.	veins
C.	blood vessels
D.	muscles
Answer» D. muscles

Discussion

7.	Binocular vision allows us to
A.	judge distance
B.	coordinate eye movement
C.	take in information
D.	all of them
Answer» E.

Discussion

8.	Inner ear is a mash up of semi-circular canals and
A.	cochlea
B.	anvil
C.	hammer
D.	icicles
Answer» B. anvil

Discussion

9.	The outermost part of the skin that is waterproof is known as
A.	dermis
B.	receptors
C.	sensory cell
D.	epidermis
Answer» E.

Discussion

10.	Dengue and yellow fever is caused by
A.	all mosquitoes
B.	female anopheles
C.	Aedes mosquito
D.	white mosquito
Answer» D. white mosquito

Discussion

11.	Dental plaque is composed of bacteria which feed on sugary food which is stuck in our teeth in
A.	tooth decay
B.	tooth loss
C.	milk tooth
D.	permanent tooth
Answer» B. tooth loss

Discussion

12.	Growth of bacteria can be inhibit by
A.	vaccines
B.	antibiotics
C.	antifungal
D.	antiviral
Answer» C. antifungal

Discussion

13.	Some bacteria provide us nutrient which our body cannot produce it includes
A.	vitamin K
B.	vitamin A
C.	vitamin D
D.	vitamin B
Answer» B. vitamin A

Discussion

14.	Microorganisms can be found
A.	in water
B.	in air
C.	all around us
D.	in animals
Answer» D. in animals

Discussion

15.	The bad affect of blur vision of close objects is known as
A.	farsighted
B.	nearsighted
C.	refractive error
D.	blur vision
Answer» B. nearsighted

Discussion

16.	The nerve endings in the dermis that capture the information of the surroundings are known as
A.	receptors
B.	sensory cell
C.	capillary
D.	epidermis
Answer» B. sensory cell

Discussion

17.	Taste sensations are of
A.	four types
B.	three types
C.	five types
D.	two types
Answer» B. three types

Discussion

18.	The process in which food is broken down in our mouth to increase the surface area for enzymes to work is known as
A.	breathing
B.	chewing
C.	digestion
D.	excretion
Answer» C. digestion

Discussion

19.	Human eye is the organ that gives us the sensation of
A.	sight
B.	height
C.	voice
D.	smell
Answer» B. height

Discussion

20.	There are poles on a magnet which are in number
A.	1
B.	3
C.	2
D.	5
Answer» D. 5

Discussion

21.	A flying aero plane has number of forces acting on it which are
A.	2
B.	3
C.	6
D.	4
Answer» E.

Discussion

22.	A mass of 1kg has the weight equal to
A.	100N
B.	10N
C.	20N
D.	40N
Answer» C. 20N

Discussion

23.	When a ball is kicked there is acted a
A.	pull
B.	push
C.	force
D.	energy
Answer» D. energy

Discussion

24.	When the force on spring is enlarged the spring will be more
A.	stretched
B.	compressed
C.	both a and b
D.	enlarge
Answer» D. enlarge

Discussion

25.	To identify plants and animal in a specific habitat we use
A.	key
B.	lock
C.	chain
D.	model
Answer» B. lock

Discussion

26.	Turtle can swim in water by its
A.	shell
B.	body
C.	flippers
D.	mouth
Answer» D. mouth

Discussion

27.	A physician need to make a medicine so that he will be needing for his herbs accurate
A.	mass
B.	shape
C.	smell
D.	volume
Answer» B. shape

Discussion

28.	The special feature of a Vernier caliper is that it can measure up to
A.	0.1 mm
B.	1mm
C.	2mm
D.	0.10mm
Answer» B. 1mm

Discussion

29.	The length of distance which is covered in specific time is called
A.	distance
B.	displacement
C.	speed
D.	forces
Answer» D. forces

Discussion

30.	Sonya is tall is the observation which is
A.	qualitative
B.	quantitative
C.	both a and b
D.	respective
Answer» B. quantitative

Discussion

31.	Hour glass was used in past days to know
A.	time
B.	length
C.	mass
D.	volume
Answer» B. length

Discussion

32.	Sugar undergoes changes on heating which are
A.	reversible
B.	irreversible
C.	same
D.	constant
Answer» C. same

Discussion

33.	If candle wax is itself burned then its
A.	reversible
B.	irreversible
C.	both a and b
D.	constant
Answer» C. both a and b

Discussion

34.	When egg shell is mixed with vinegar a gas is released in atmosphere
A.	oxygen
B.	nitrogen
C.	carbonmono oxide
D.	carbon dioxide
Answer» E.

Discussion

35.	The water which leaves during any evaporation is disappeared in form of
A.	liquid
B.	vapor
C.	solid
D.	gas
Answer» C. solid

Discussion

36.	The melting and vaporization of candle is
A.	reversible
B.	irreversible
C.	both a and b
D.	constant
Answer» D. constant

Discussion

37.	Except for one metal i.e. Mercury, rest of the metals are solids at
A.	oven
B.	room temperature
C.	freezing point
D.	sunshine
Answer» C. freezing point

Discussion

38.	All compounds are molecules but not all molecules are
A.	atoms
B.	electrons
C.	molecules
D.	compounds
Answer» E.

Discussion

39.	The poor conductors of heat and electricity are
A.	non-metals
B.	metals
C.	liquids
D.	solids
Answer» B. metals

Discussion

40.	At room temperature, mercury is the only metal that is in form of
A.	solid
B.	liquid
C.	semi-solid
D.	gas
Answer» C. semi-solid

Discussion

41.	It is used to make fertilizers, lead-acid batteries, and in many industrial processes and is called
A.	zinc
B.	gold
C.	lead
D.	Sulphur
Answer» E.

Discussion

42.	Copper sulphate is white when anhydrous and blue when hydrated. This compound consists of copper, Sulphur and
A.	hydrogen
B.	oxygen
C.	nitrogen
D.	helium
Answer» C. nitrogen

Discussion

43.	Good thermal and electrical conductors are made up of
A.	liquid
B.	metal
C.	transparent
D.	non-metal
Answer» C. transparent

Discussion

44.	Material is largely composed of
A.	metal
B.	non-metal
C.	none of them
D.	atom
Answer» E.

Discussion

45.	Filters used in the air conditioners are example of
A.	distillation
B.	filtration
C.	evaporation
D.	sublimation
Answer» C. evaporation

Discussion

46.	One of big advantages of this technique is that it works with tiny samples and low concentrations, which is known as
A.	filtration
B.	chromatography
C.	distillation
D.	evaporation
Answer» C. distillation

Discussion

47.	Frogs can survive on water and also on
A.	desert
B.	land
C.	air
D.	mountains
Answer» C. air

Discussion

48.	Source of water in forms of lakes and streams is abundant in
A.	mountains
B.	tropical rainforest
C.	desert
D.	plains
Answer» C. desert

Discussion

49.	Organisms of same species living in a same habitat is known as
A.	population
B.	community
C.	crowd
D.	area
Answer» B. community

Discussion

50.	Vegetation is more rare in deserts than in
A.	mountains
B.	tropical rainforest
C.	plains
D.	desert
Answer» C. plains

Discussion

Explore topic-wise MCQs in Testing Subject.

A sensor which can sense brightness in surroundings is called

Polished metals are

Wood is a

Energy savers such as florescent bulbs require less energy than a

The organ that detects light and converts it into electro-chemical impulses is known as

The choroid layer is full of

Binocular vision allows us to

Inner ear is a mash up of semi-circular canals and

The outermost part of the skin that is waterproof is known as

Dengue and yellow fever is caused by

Dental plaque is composed of bacteria which feed on sugary food which is stuck in our teeth in

Growth of bacteria can be inhibit by

Some bacteria provide us nutrient which our body cannot produce it includes

Microorganisms can be found

The bad affect of blur vision of close objects is known as

The nerve endings in the dermis that capture the information of the surroundings are known as

Taste sensations are of

The process in which food is broken down in our mouth to increase the surface area for enzymes to work is known as

Human eye is the organ that gives us the sensation of

There are poles on a magnet which are in number

A flying aero plane has number of forces acting on it which are

A mass of 1kg has the weight equal to

When a ball is kicked there is acted a

When the force on spring is enlarged the spring will be more

To identify plants and animal in a specific habitat we use

Turtle can swim in water by its

A physician need to make a medicine so that he will be needing for his herbs accurate

The special feature of a Vernier caliper is that it can measure up to

The length of distance which is covered in specific time is called

Sonya is tall is the observation which is

Hour glass was used in past days to know

Sugar undergoes changes on heating which are

If candle wax is itself burned then its

When egg shell is mixed with vinegar a gas is released in atmosphere

The water which leaves during any evaporation is disappeared in form of

The melting and vaporization of candle is

Except for one metal i.e. Mercury, rest of the metals are solids at

All compounds are molecules but not all molecules are

The poor conductors of heat and electricity are

At room temperature, mercury is the only metal that is in form of

It is used to make fertilizers, lead-acid batteries, and in many industrial processes and is called

Copper sulphate is white when anhydrous and blue when hydrated. This compound consists of copper, Sulphur and

Good thermal and electrical conductors are made up of

Material is largely composed of

Filters used in the air conditioners are example of

One of big advantages of this technique is that it works with tiny samples and low concentrations, which is known as

Frogs can survive on water and also on

Source of water in forms of lakes and streams is abundant in

Organisms of same species living in a same habitat is known as

Vegetation is more rare in deserts than in