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Worksheets

Science

Total questions: 100

Worksheet time: 17mins

Name
Class
Date
1.

What part of the plant transports water and nutrients to the other parts of the plant?

a)

Roots

b)

Stem

c)

Flower

d)

Leaves

2.

What part of the plant anchors the plant in place and soaks up water and nutrients from the soil?

a)

Leaves

b)

Sepals

c)

Roots

d)

Stem

3.

The _______ are responsible for photosynthesis (making food).

a)

Roots

b)

Stems

c)

Leaves

d)

Flowers

4.

What part of the plant is responsible for reproduction?

a)

Flower

b)

Leaves

c)

Roots

d)

Stem

5.

The female part of the flower is called the _____.

a)

Sepal

b)

Filament

c)

Stamen

d)

Pistil

6.

The male part of the flower is called the _____.

a)

Sepal

b)

Stigma

c)

Stamen

d)

Pistil

7.

In order for a seed to be fertilized, pollen has to be transported from the stamen to the _____.

a)

anther

b)

filament

c)

sepal

d)

pistil

8.

What are the 3 parts of the pistil?

a)

anther, filament, and stigma

b)

stigma, style and ovary

c)

stigma, filament and anther

d)

anther, style and ovary

9.

What are the 2 main parts of the stamen?

a)

anther and filament

b)

stigma and ovary

c)

anther and ovary

d)

filament and style

10.

What part of the stamen produces pollen?

a)

anther

b)

filament

c)

ovary

d)

stigma

11.

What part of the pistil produces the egg cells?

a)

Anther

b)

Stigma

c)

Style

d)

Ovary

12.

Which of the following can be a pollinator?

a)

Birds

b)

Bees

c)

Wind

d)

All of the above

13.

What part of the flower protects the bud (before the flower blooms)?

a)

Leaves

b)

Petals

c)

Sepals

d)

Pistil

14.

How does a plant know when to bloom?

a)

senses the number of day and night hours in a season

b)

when it rains

c)

when it's parent reminds it to bloom

d)

it doesn't know; it just happens randomly throughout the year

15.

If the egg cell in a flower's ovary is pollinated, the result is a _____.

a)

Baby yoda

b)

Seed

c)

Puppy

d)

Sepal

16.

What has to be transported from the male part of a flower to the female part of a flower for a seed to be formed?

a)

Water

b)

Glucose

c)

Pollen

d)

Fertilizer

17.

The process of _____ occurs when a seed sprouts.

a)

Photosynthesis

b)

Respiration

c)

Germination

d)

Pollination

18.

Ferns are seedless plants. They reproduce by spores.

a)

True

b)

False

19.

All plants reproduce by flowers.

a)

True

b)

False

20.

If a certain type of plant's main pollinator is eliminated from an ecosystem, what is the most likely result?

a)

The plant will produce a higher number of flowers.

b)

The plant will produce fewer seeds and the population will decrease.

c)

The plant will produce a lot of seeds and the population will increase.

d)

The current plants will start to die from lack of resources.

21.

What stage of the plant life cycle is shown in the picture?

a)

Germinating

b)

seedling

c)

mature plant

d)

flowering plant

22.

What stage of the plant life cycle is shown?

a)

seedling

b)

flowering plant

c)

a seed

d)

seedling

23.

In order to grow plants need?

a)

water,sunlight and air

b)

water, ice cream, and a ball

c)

sun, water, and book

d)

air, sun, and pencil

24.

In flowering plants, where are the seeds from ?

a)

leaves

b)

roots

c)

fruits/ flower

d)

stem

25.

Which of the following shows a seed ?

a)
b)
c)
d)
26.

Example of flowering plants is ….

a)

Pine

b)

Mosses

c)

Hibiscus

d)

Fern

27.

Which of the following shows seedling ?

a)
b)
c)
d)
28.

Example of Non-flowering plants is ….

a)

Pine

b)

rose

c)

jasmine

d)

manggo

29.

Bright color of flowering plants comes from.....

a)

seed

b)

petal

c)

root

d)

shoot

30.

Is an apple tree a flowering or non-flowering plant?

a)

flowering

b)

non-flowering

31.
The part of the stamen that produces microspores that become pollen grains is the ___.
a)
anther
b)
pistil
c)
filament
d)
ovary
32.
The enlarged base of the pistil that stores the eggs of the plant is the ___.
a)
ovary
b)
ovule
c)
stigma
d)
style
33.
The tip of the style that has sticky hairs to trap pollen is the ___.
a)
stamen
b)
stigma
c)
ovary
d)
style
34.
Pollination is the process by which pollen
a)
causes people to sneeze
b)
is formed inside a plant
c)
moves from stamen to stigma
d)
moves from stigma to stamen
35.
I am a flower that produces nectar. What is the function of the nectar?
a)
To provide food for the flower
b)
To attract pollinators
c)
To attract animals to disperse the fruits
d)
To produce perfumes for Man
36.

A bee buzzes inside a flower to drink some nectar. While there it touches the stamen. Later the bee goes to another flower and comes into contact with the flower's pistil. Which process of reproduction is this helping with?

a)

pollination and fertilization

b)

plant growth and fertilization

c)

germination and pollination

d)

seed dispersal and germination

37.

The petals job is not only to protect the reproductive parts of the plant, but also to

a)

keep wind away from the stamen

b)

attract pollinators with their colors

c)

absorb sunlight

d)

fall off and become food for bugs

38.

Seed structure that grows become roots

a)

radicle

b)

plumule

c)

cotyledon

d)

endosperm

39.

Seed structure that protects seed

a)

radicle

b)

plumule

c)

endosperm

d)

seed coat(testa)

40.
Small leaf-like structures forming an outer circle at the base of a flower.
a)
petals
b)
sepal
c)
stigma
d)
pistil
41.
Small leaf-like structures forming an outer circle at the base of a flower.
a)
petals
b)
sepal
c)
stigma
d)
pistil
42.
They enclose the egg cells inside the ovaries.
a)
ovules
b)
anther
c)
seeds
d)
stamen
43.
Flowering plants?
a)
angiosperms
b)
gymnosperms
c)
mosses
d)
ferns
44.

What cause air pollution ?

a)

Factories produce too much waste water and oil.

b)

Factories produce too much smoke.

45.

What cause land pollution?

a)

People throw too much rubbish in the sea.

b)

People throw too much rubbish everywhere.

c)

People reduce making rubbish.

d)

People reuse things.

46.

What cause noise pollution?

a)

People take public transport.

b)

People turn down TV.

c)

The traffic makes too much noise.

d)

The traffic makes too many fumes.

47.

What cause water pollution?

a)

People dump things in the countryside.

b)

Factories produce too much waste water and oil.

c)

Factories produce good products.

d)

Factories produce too much smoke.

48.

If we keep on causing noise pollution, what will happen?

a)

Sea animals will die.

b)

People won’t have a quiet place to live in

c)

People may have hearing problems

d)

We can’t see the sky.

49.

If we keep on causing water pollution, what will happen?

a)

We won’t have a quiet place to live in.

b)

We won’t have clean water to drink.

c)

We will have hearing problem.

d)

Sea animals will die.

50.

If we keep on causing light pollution, what will happen?

a)

People may have hearing problems.

b)

People may have health problems.

c)

People can’t sleep well at night.

d)

People won’t have a quiet place to live in.

51.

If we keep on causing land pollution, what will happen?

a)

Plants and animals will die.

b)

Sea animals will die.

c)

People may have health problems .

d)

People won’t have clean water to drink.

52.

Is this good for us?

a)

yes

b)

no

53.

Is this good for us?

a)

yes

b)

no

54.

Is this good for us?

a)

yes

b)

no

55.

Is this good for us?

a)

yes

b)

no

56.

Is this good for us?

a)

yes

b)

no

57.

Is this good for us?

a)

yes

b)

no

58.

Is this good for us?

a)

yes

b)

no

59.

Is this good for us?

a)

yes

b)

no

60.

_____________________ is the contamination of air, land, and water.

a)

Conservation

b)

Ecology

c)

Pollution

61.

Pollution occurs when people release, dump, leak, spill, or ______________ the environment around us.

a)

litter

b)

preserve

c)

save

62.

Most incidents of pollution are deliberately caused by______.

a)

humans

b)

machines

c)

animals

63.

The illegal dumping or littering of waste onto the land is called __________ pollution.

a)

air

b)

land

c)

water

64.

The release of smoke and harmful gases into the air is called _________ pollution.

a)

air

b)

water

c)

land

65.

The leaking or spilling of chemicals or raw sewage into a body of water is ________ pollution.

a)

air

b)

water

c)

land

66.

When light hits an area and bounces back it is called:

a)

echo

b)

refraction

c)

reflection

d)

absorbing

67.

Light travels through air, water, glass and many other materials. What path does it travel to get from one place to another?

a)

sideways

b)

back and forth

c)

straight

d)

up and down

68.

When light hits a barrier that is solid/opaque what is usually created?

a)

a hot object

b)

a shadow

c)

nothing

69.

Which color shirt would you rather wear outside on a sunny 90 degree day?

a)

black

b)

white

c)

gray

d)

navy blue

70.

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

a)

refraction

b)

absorbed

c)

reflection

d)

flipped

71.

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

a)

refraction

b)

absorbed

c)

reflection

d)

flipped

72.
What does the moon do?
a)
produces light
b)
reflects the suns light
c)
produces heat
73.
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
74.
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
75.

If you can see light through an object it is called...

a)

opaque

b)

plastic

c)

transparent

76.

which of the characteristics is not exhibited by the shadow of an object?

a)

erect

b)

can be formed on screen

c)

same colour as the object

d)

can be bigger than the object

77.

A plane mirror form an image of an object because it ........ light from the object

a)

absorbs

b)

reflects

c)

passes

d)

emits

78.

Rectilinear propagation of light means

a)

light bends after striking a smooth surface

b)

light travels in a straight line

c)

light travels in a curvilinear line

d)

both a and b

79.

which of the following objects can cast a dark shadow?

a)

a lighted bulb

b)

a wooden door

c)

a glass pane

d)

both a and b

80.

which of these are required to form the shadow of a ball

a)

torch

b)

ball

c)

screen

d)

all of these

81.

which of the following the non-luminous obejct

a)

sun

b)

moon

c)

stars

d)

firefly

82.

which of the following is an example of an opaque object

a)

clean water

b)

plastic wrap

c)

cardboard sheet

d)

spectacle glass

83.

divergent ray is

a)
b)
c)
d)

none of these

84.

divergent ray is

a)
b)
c)
d)

none of these

85.

Image formed in a pinhole camera is

a)

erect

b)

inverted

c)

parallel

d)

none of these

86.

Bending of light is called

a)

reflection

b)

refraction

c)

dispersion

d)

scattering

87.

The dark patches are formed behind the objects are called

a)

Clear images

b)

Dark images

c)

Dim images

d)

Shadow

88.

The principle behind the pin hole camera is

a)

Curvilinear propagation of light

b)

Rectilinear propagation of light

c)

Image

d)

shadow

89.

The dark patches are formed behind the objects are called

a)

Clear images

b)

Dark images

c)

Dim images

d)

Shadow

90.

Fire fly is a

a)

Non-living luminous body

b)

Plant body

c)

Living luminous body

d)

Heavenly body

91.

Objects which allow light to pass through them are called

a)

Opaque objects

b)

Transparent objects

c)

Translucent objects

d)

Image

92.

Which of the following is an example of a translucent object?

a)

A thin sheet of paper

b)

A thin glass slab

c)

A thin iron sheet

d)

All of these

93.

When an opaque objects comes in the path of light it forms

a)

An image with colors

b)

Shadow

c)

Black and white image

d)

Depends on the color of light

94.

Which letters of English alphabet will not show lateral inversion?

a)

I,O,U

b)

N,Z,X

c)

I,X,E

d)

A,E,I

95.

Bouncing back of light from shining surfaces is called

a)

Dispersion

b)

Refraction

c)

Reflection

d)

Total internal reflection

96.

Assertion(A): Moon is non - luminous object.

Reason(R): Moon does not emit light on their own.

a)

A and R are true. R is not the correct explanation of A

b)

A is true and R is false

c)

A is false and R is true

d)

A and R is true and R is the correct explanation of A

97.

Assertion(A): The image formed in pinhole camera is laterally inverted.

Reason(R) : Image gives the shape, size and color of the object.

a)

A and R are true and R is not the correct explanation of A

b)

A and R are false

c)

A is true and R is false

d)

A and R are true and R is the correct explanation of A.

98.

(a)   is a source that enables to see the things around us.

99.

Candles, oil lamps and earthen lamps are (a)   sources of light.

100.

Which of the following does not have light of its own?

a)

a torch

b)

a lamp

c)

the moon

d)

the sun

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