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oral test 6

Total questions: 68

Worksheet time: 34mins

Name
Class
Date
1.

Animals and plants have certain features which make them to survive in a particular habitat. This is called

a)

adaptation

b)

speciation

c)

specialisation

d)

evolution

2.

Which is a biotic component of environment?

a)

Plants

b)

Animals

c)

Microorganisms

d)

All of these

3.

What are the characteristics of a desert plant?

a)

No leaves or very small leaves

b)

Spines

c)

Deep roots

d)

All of these

4.

Soil, water and air are ……………… components of a habitat.

a)

Biotic

b)

Solid

c)

Abiotic

d)

Liquid

5.

Which of the following does a cactus have?

a)

Dry stem

b)

Short roots

c)

Waxy layer

6.

Lions merge with dry drasslands. This merging is?

a)

Camouflage

b)

Hibernation

c)

Color coordination

7.

What do most animals in winter like bears do?

a)

Swim

b)

Run

c)

Hibernate

8.

Frogs have webbed feet. They use it for?

a)

Popping

b)

Swimming

c)

Flapping

9.

1 metre =……………….. centimetre

a)

10

b)

100

c)

1000

10.

The distance between Amritsar to Beas is usually expressed in:

a)

mm

b)

cm

c)

m

d)

km

11.

____________________ is a combination of circular as well as periodic motion.

a)

Motion of a pendulum

b)

Motion of a swing

c)

Motion of a clock

d)

Motion of a car

12.

Measurement requires:-

a)

Motion

b)

Unit

c)

Number

d)

Hand Spans

13.

The time interval between two successive heart beats is nearly ____ seconds.

a)

72.4

b)

0.84

c)

2.3

d)

98.1

14.

Nothing can travel faster than light in the whole universe

a)

False

b)

True

15.

Objects that produce their own light are called

a)

Luminous objects

b)

Non luminous objects

c)

Bright

d)

Dark

16.

4)Which is an example of a translucent object?


a)

(a) A thin sheet of paper

b)

(b) A thin glass slab

c)

(c) A thin iron sheet

d)

(d) All of these

17.

7)An example for the Rectilinear Propagation of light

a)

a)Formation of clouds

b)

b)Formation of day and night

c)

c) Formation of rainbow

d)

d) Formation of rain

18.

9)The speed of light

a)

a)299,792km/s

b)

b)299,792m/s

c)

c)29,792km/s

d)

d)29,791m/s

19.

Image formed by a plane mirror is …………….. .

(a)  

20.

A student placed a pencil in a glass of water. The pencil appears broken because..

a)

light always travels in a straight line

b)

the pencil cuts through the water

c)

light bends when it passes through water

d)

light reflects the pencil on the surface of water

21.

Identify the eclipse by looking at the positions.

a)

Conjunction

b)

Lunar Eclipse

c)

Solar Eclipse

22.

In the circuit shown in figure, when the switch is moved to ’ON’ position,

a)

the bulb A will glow first

b)

the bulb A will glow first

c)

(a) the bulb A will glow first

d)

all bulbs will glow together

23.

Filament of a torch bulb is

a)

a metal case

b)

metal tip at the centre of the base

c)

two thick wires

d)

a thin wire

24.

Button cells are used in devices

a)

remotes

b)

wrish watches

c)

calculator

d)

all of the above

25.

solar cells convert solar energy to

a)

mechanical energy

b)

chemical energy

c)

electrical energy

d)

solar energy

26.

Identify the symbol

a)

bettery

b)

key closed

c)

key open

d)

cell

27.

This image depicts

a)

single cell

b)

2 celled battery

c)

3 celled battery

d)

none of these

28.

full form of MCB is

a)

Maximum Circuit Breaker

b)

Miniature Circuit Breaker

c)

Minimum Circuit Breaker

d)

Minute Circuit Breaker

29.

Identify the type of circuit

a)

Open Circuit

b)

Closed Circuit

30.

What does LED stands for

a)

Light Emit Diode

b)

Light Emitting Diode

c)

Luminous Energy Diode

d)

Light Emitting Device

31.

What is the name of this device?

a)

fuse

b)

bulb

c)

resistor

d)

electric cell

32.

What do magnets stick to

a)

Copper

b)

Iron

c)

Wood

d)

Plastic

33.

When two same poles are brought together

a)

They attract each other

b)

They repel each other

c)

They become cold

d)

They align in N-S direction

34.

Amy used a magnet to hold one piece of paper on the refrigerator. Later, she tried to use the same magnet to hold a stack of four pieces of paper, and the magnet wouldn't stick to the fridge. Why did this happen

a)

The magnet needs glue

b)

The magnet couldn't hold due to the thickness of the paper

c)

Paper repels magnets

d)

A magnet isn't attracted to the refrigerator

35.

In which direction the pointed end of the needle of a compass always points?

a)

North

b)

South

c)

East

d)

West

36.

State True or False - Magnets should be stored in pairs with their opposite poles lying side by side.

a)

True

b)

False

37.

Observe the pictures A and B given in pictures carefully Which of the following statement is correct for the above given pictures?

a)

(a) In A, cars 1 and 2 will come closer and in B, cars 3 and 4 will come closer.

b)

(b) In A, cars 1 and 2 will move away from each other and in B, cars 3 and 4 will move away.

c)

(c) In A, cars 1 and 2 will move away and in B, 3 and 4 will come closer to each other.

d)

(d) In A, cars 1 and 2 will come closer to each other and in B, 3 and 4 will move away from each other.

38.

The process of changing water vapour into water is called :

a)

Transpiration

b)

Condensation

c)

Digestion

d)

All of These b

39.

In which of the following activities will you use minimum amount of water

a)

Bathing

b)

Brushing Teeth

c)

Washing Cloths

d)

All of The Above

40.

The basic idea behind rain water harvesting is :

a)

catch water where it falls

b)

Stop Water going into rivers and lakes

c)

Making Dams on River

d)

Stop Water going into Oceans

41.

Fog appearing on a cold winter morning is due to :

a)

Smoke

b)

Transpiration

c)

Condensation

d)

Cold Nights

42.

We use Water for :

a)

Cooking

b)

Bathing

c)

Cleaning

d)

All of the Above

43.

How does the water in the oceans get back into the land?

a)

Through Sublimation

b)

Through Evaporation

c)

Through precipitation

d)

Through the water cycle

44.

How much percentage of water on Earth is freshwater?

a)

2.1 %

b)

2.5%

c)

3%

d)

3.75%

45.

How many percentages of water is there in the earth?

a)

97%

b)

67%

c)

90%

d)

71%

46.

Water is composed of two elements. Name them.

a)

Hydrogen

b)

Hydrogen Sulfide

c)

Nitrogen

d)

Chlorofluorocarbons

47.

How many percentages is present in swamps and soils?

a)

60%

b)

7.5%

c)

6.2%

d)

None of these

48.

The total amount of water on Earth remains same but water available for use is very limited and is decreasing with _

a)

over usage

b)

very less usage

49.

Earth is surrounded by an envelope of gases called the _____________.

a)

Hydrosphere

b)

Solar system

c)

Atmosphere

d)

Cloud bubble

50.

The burning of fuel produces ______.

a)

Dew

b)

Wind

c)

Smoke

51.
What do dust, smoke, salt, and chemicals have in common?
a)
They are gases in the air.
b)
They make up water vapor in the air.
c)
They are particles in the air.
d)
They are only found in pure air.
52.
Which of these makes up about 21 percent of the atmosphere?
a)
argon
b)
carbon dioxide
c)
nitrogen
d)
oxygen
53.

The components of air which is taken by Plants to prepare the food?

(a) O2

(b) N2

(c) CO2

(d) None of these

a)

A

b)

B

c)

C

d)

D

54.

Which gas is produced by plants during photosynthesis?

(a) Nitrogen

(b) Carbon Dioxide

(c) Hydrogen

(d) Oxygen

a)

A

b)

B

c)

C

d)

D

55.

The presence of water vapor is Air is important for

(a) Water Cycle

(b) Ozone layer

(c) Combustion

(d) None of the above

a)

A

b)

B

c)

C

d)

D

56.

Look at the photo. This is an example of _____ pollution.

a)

water

b)

air

c)

land

57.

Moving air is called ________

a)

wind

b)

fog

c)

dew

58.

how to prevent air pollution

a)

to plant trees

b)

to use bicycles or public transport instead of using private vehicles.

c)

.all of the mentioned

d)

to share the seat in car or bike to other person or the friend who is coming or going to the same destination or place where we are going to go to

59.

Municipal solid waste is also called.

a)

Household waste

b)

garbage

c)

Waste

d)

Useless Items

60.

Converting plant and animal waste is called

a)

composting

b)

vermi-composting

c)

All Of These

d)

Utility

61.

Safai karamcharis collect the garbage in trucks and take it to low lying open area, called a ______________

a)

Landfill

b)

londfill

c)

waterfill

d)

airfill

62.

Solid wastes are called

a)

garbage

b)

sewage

c)

pollutants

d)

contaminants

63.

Processing waste to make a new product.

a)

Reduce

b)

Reuse

c)

Recycle

d)

Refuse

64.

Composting with the help of redworms

a)

Vermicomposting

b)

Incineration

c)

Landfilling

d)

Sanitation

65.

Redworms need the following conditions to survive.

a)

Very Hot

b)

Very Cold

c)

Moist

d)

Lots of Water

66.
We should ... glass.
a)
reduce
b)
reuse
c)
recycle
67.

When does plastic become dangerous ?

a)

When we play with it

b)

When we burn it.

c)

When we leave it alone

68.

Which among the following will not pollute the soil ?

a)

Aluminium foil

b)

Plastic

c)

Thermo Col

d)

Bread

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