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Total questions: 88

Worksheet time: 22hrs 0mins

Name
Class
Date
1.

Who invented magnet?

a)

Magnes

b)

Harry Potter

c)

Elon Musk

d)

Newton

2.

Fused Bulb means

a)

Broken Filament

b)

broken Led

c)

Broken Glass

d)

No wires to support filament

3.

When the Sun is behind you, your shadow is ...

a)

behind you

b)

in front of you

c)

at the side of you

d)

not there

4.

When an object moves closer to a light source, its shadow...

a)

Gets smaller

b)

Gets bigger

c)

Changes shape

d)

Stays the same size

5.

Why do shadows made by the Sun move throughout the day?

a)

Because the weather changes

b)

Because someone moves the objects

c)

Because the sun appears to move across the sky

6.

Shadows are longest during _______.

a)

morning and evening

b)

noon

c)

night

7.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

d)

D

8.

We can see things around us because of light reflecting off the object and into our eyes?

a)

True

b)

False

9.
Which will make the darkest shadow? Light shining on a...
a)
sheet of thin tissue paper
b)
glass window  
c)
wooden chopping board  
d)
none of the above
10.
What does reflection mean?
a)
Light bouncing off an object.
b)
Light is bending around an object.
c)
Light is moving through and object.
d)
This is no light.
11.

What is the best explanation for Mickey seeing himself in the mirror?

a)

refraction

b)

bending of light

c)

reflection

d)

image

12.

There is light on the Earth even on a dark, cloudy day. This is because clouds are:

a)

Opaque

b)

Transparent

c)

Translucent

d)

Luminous

13.

Which of the following properties is the reason for shadows to be formed ?

a)

Reflection of light

b)

Image formation

c)

Bending of light

d)

Rectilinear propagation of light

14.

Identify the incorrect statement from the following.

a)

Shadows always give us the information about the shape of the object.

b)

mages are different from shadows.

c)

A plane mirror changes the direction of light that falls on it.

d)

The moon is a non-luminous source of light.

15.

Which of the following is not always necessary to observe a shadow?

a)

Sun

b)

Screen

c)

Source of light

d)

Opaque object

16.
The darkest part of the shadow during an eclipse is called the ___________________.
a)
penumbra
b)
corona
c)
umbra
d)
phase
17.
What type of eclipse is occuring inthe diagram?
a)
solar
b)
lunar
18.

During which part of the lunar cycle can a lunar eclipse occur?

a)

New Moon

b)

First Quarter

c)

Full Moon

d)

Third Quarter

19.

During which part of the lunar cycle can a solar eclipse occur?

a)

New Moon

b)

First Quarter

c)

Full Moon

d)

Third Quarter

20.

The image shows a simplified diagram of a pinhole camera.

Which statement describes the image formed?

a)

small size, upright and real

b)

small size, inverted and real

c)

Enlarged, upright and real

d)

Enlarged, inverted and real

21.

Image obtained in a pinhole camera is always inverted due to _____________________

a)

reflection of light

b)

inverted image formation

c)

Rectilinear propagation of light

d)

transparent objects allow light to pass through

22.

Which of the following describes an image formed in a mirror? ( choose all the correct options)

a)

Horizontally inverted / Laterally inverted (Left becomes Right; Right becomes Left)

b)

Vertically inverted (Up becomes Down; Down becomes Up)

c)

Same distance behind mirror as object is in front

d)

Enlarged in size

e)

Remain the same size

23.

Fishes move about in the water with the help of their

a)

mouth and tail

b)

legs and scales

c)

wings and tails

d)

fins and tails

24.

Which one of these animals can live on land as well as in water?

a)

deer

b)

giraffe

c)

frog

d)

fox

25.

Which one of these aquatic plants grows completely submerged under water?

a)

water hyacinth

b)

hydrilla

c)

water lily

d)

lotus

26.

Which of the following animals does not have gills?

a)

squids

b)

octopus

c)

dolphin

d)

fish

27.

Which one of the following is stored in a camel's hump for use in emergency situations?

a)

air

b)

fat

c)

water

d)

carbohydrates

28.

One of the following is not a terrestrial habitat?

a)

soil

b)

tree

c)

ocean

d)

desert

29.

The place where a plant and animals lives is called

(a)  

30.

The process of becoming accustomed to a different environment over short periods is called

a)

adaptation

b)

acclimatisation

c)

adjustment

d)

none

31.

Which is not a characteristic of lion?

a)

Lion has eyes on the sides of its head.

b)

Lion can withdraw the claws in its front legs.

c)

Lion has light brown colour.

d)

Lion is a fast animal.

32.

The presence of special body features which enable a plant or an animal to live in a particular habitat.

a)

adaptation

b)

acclimatisation

c)

both are correct

d)

none

33.

Which one of the following statements is correct?

a)

Several kinds of plants and animals may share the same habitat.

b)

All the animals and plants in a habitat are adopted to it.

c)

Both the statements are correct.

d)

None of these is correct.

34.

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

35.

Which is a biotic component of environment?

a)

Plants

b)

Animals

c)

Microorganisms

d)

All of these

36.

What are the characteristics of a desert plant?

a)

No leaves or very small leaves

b)

Spines

c)

Deep roots

d)

All of these

37.

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

a)

Biotic

b)

Solid

c)

Abiotic

d)

Liquid

38.

Leaves in aquatic plants are reduced in size to minimize their evaporating surface.

a)

True

b)

False

39.

What is acclimatization?

a)

Winter sleep of some organisms

b)

The small changes that take place in the body of an organism over a short period, to overcome small problems arising due to changes in its surroundings

c)

Feature that helps an organism to survive in a particular type of habitat

40.

A_has several adaptations to help it survive in a desert

a)

Camel

b)

Donkey

c)

Cat

41.

The surroundings where living organisms live is known as _______

a)

Habitat

b)

adaptation

c)

none

42.

write some animals which can adapt itself in mountain regions

(a)  

43.

Which kind of magnet is this?

(a)  

44.

Magnets do not lose its magnetism when come in contact with water

a)

True

b)

False

45.

What will happen in this situation?

a)

Nothing will happen

b)

They will stick to each other

c)

They will lose its magnetism

d)

They will not stick but they will fly in the air

e)

They will repell

46.

A freely suspended magnet always............

a)

Points to North and East

b)

Points to North and West

c)

Points to North and South

d)

Does nothing

47.

Which is a natural magnet?

a)

Pebble

b)

Rocks

c)

Steel

d)

Shells

e)

Metal

48.

Choose the correct option-

Natural magnets are-

1. Heavy stone

2. Load stone

3. Ring magnet

4. Horse shoe magnet

5. Magnetite

a)

1. False

2. True

3. True

4. False

5. False

b)

1. False

2. True

3. False

4. False

5. True

c)

1. True

2. False

3. False

4. False

5. True

d)

1. False

2. True

3. False

4. True

5. True

49.

Magnet was discovered in which country?

a)

Ghana

b)

Greenland

c)

Greneda

d)

Greece

50.

The first natural magnet was discovered in Greenland by a small girl.

a)

False

b)

True

51.

Are all conductors magnetic materials?

a)

Yes

b)

No

52.

Which is the sure test of magnetism?

a)

Repulsion

b)

Attraction

53.

Based on the characters most plants can be classified as into three categories-

a)

TREES

b)

SHRUBS

c)

HERBS

d)

ALL OF THE ABOVE

54.

Plants with green and tender stems are called-

a)

HERBS

b)

CREEPERS

c)

SHRUBS

d)

NONE

55.

Lines on the leaves are called-

a)

MIDRIB

b)

VEINS

c)

PETIOLE

d)

ALL OF THE ABOVE

56.

The part of the leaf by which it is attached to the stem it is known as-

a)

SEPALS

b)

PETIOLE

c)

BOTH A AND B

d)

NONE

57.

Which one of the following are the fibrous root-

a)

DO NOT HAVE ANY MAIN ROOT

b)

HAVE TWO MAIN ROOT

c)

HAVE ONE MAIN ROOT

d)

ALL OF THE ABOVE

58.

Which part of the plant supplies water to the leaf-

a)

PETALS

b)

STEM

c)

BOTH A AND B

d)

NONE

59.

Leaves lose water through the process of-

a)

PHOTOSYNTHESIS

b)

TRANSPIRATION

c)

BOTH A AND B

d)

NONE

60.

Which one of the following is tap root

a)
b)
c)
61.

The plants which have branches at the base are __________.


a)

herbs

b)

shrubs

c)

creepers

d)

trees

62.

A plant with weak stem is _____________.

a)

mint

b)

sunflower

c)

lemon

d)

china rose

63.

The plant which takes the support of the neighboring structures and climbs up is _______________.

a)

tree

b)

shrub

c)

creeper

d)

climber

64.

Classify Neem in one of the categories of plants.


a)

Herb

b)

Shrub

c)

Tree

d)

All of these

65.

Lemon plant is a _______________.

a)

herb

b)

shrub

c)

tree

d)

none of these

66.

A tree has a soft trunk and soft branches.

a)

True

b)

False

67.

Herbs have soft, green and ___________ stem.

a)

weak

b)

Strong

c)

none of these

68.

The food produced in the leaves is in the form of

a)

Starch

b)

Proteins

c)

Chlorophyll

d)

None of these

69.

The plants having leaves with parallel venation have

a)

taproot

b)

lateral roots

c)

fibrous roots

d)

None of these

70.

Which of the following is given out during the process of photosynthesis?

a)

Water vapour

b)

Carbon dioxide

c)

Oxygen

d)

None of these

71.

The small spores on the leaves are called stomata

a)

True


b)

False

72.

What do you call the surface of the leaf

a)

Margin

b)

Lamina

c)

Leaf Blade

d)

Petiole

73.

Which gas is most useful to keep filament cool?

a)

Oxygen

b)

Argon

c)

Hydrogen

d)

Carbon dioxide

e)

Nitrogen

74.

Which of the following are parts of bulb?

a)

Metal cap

b)

Metallic base

c)

metal Case

d)

Filament

e)

Supporting wires

75.

True/false

A simple device that can either break or complete a circuit is known as electric circuit

(a)  

76.

Which terminal is at metal disc

a)

Positive terminal

b)

Negative terminal

c)

None of these

77.

Solar battery converts

a)

Chemical energy into electric energy

b)

Solar energy into electric energy

c)

electric energy into chemical energy

78.

When the filament of a electric bulb breaks it becomes

(a)  

79.

The symbol of Switch 'ON' position is

a)
b)
c)
d)
80.

A combination of 2 or more cells are called

a)

Battery

b)

Generator

c)

Transformer

d)

Engine

81.

Which of the following are conductor of electricity?

a)

Metal

b)

Wood

c)

Sharpener blade

d)

Water

e)

Glass

82.

_______________ is used to measure the conductivity of metal

a)

Closed circuit

b)

Conduction Tester

c)

Electric switch

d)

Electric cell

83.

The thin wire in an electric bulb which emit light when electricity passes through it

a)

Wires

b)

Carbon rod

c)

Base

d)

Supporting wires

e)

Filament

84.

In which direction the electric current moves in a closed circuit

a)

Negative terminal to Positive terminal

b)

Positive terminal to negative terminal

85.

What is dry cell?

(Write the whole answer in small letter)

(a)  

86.

In an open terminal there is a _____ gap

a)

Wire

b)

Conductor

c)

Air

d)

time

87.

Who invented a incandescent electric light bulb?

a)

Alessandro Volta

b)

Sir Humphry Davy

c)

Thomas Alva Edison

d)

David Misell

88.

Asvin is running out of connecting wires. To complete a electric circuit, he may use a-

a)

Bangles

b)

Pencil lid

c)

Coal

d)

Diamond

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