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f2sc1111

Total questions: 77

Worksheet time: 1hrs 23mins

Name
Class
Date
1.

Producer

↓↓ 

Primary Consumer 

↓↓

Secondary Consumer 

↓↓

Tertiary Consumer 

↓↓ 

Decomposer

Choose the correct statement about Energy Flow in an Ecosystem

Answer can be more than one

a)

 

  • A producer is an organism that produces its own food through photosynthesis. 

b)

  • Tertiary consumer is a secondary carnivore that eats a secondary consumer.

c)

Secondary consumer are herbivores and omnivores that eat producers.

d)

  • Decomposer is an organism that breaks doen dead animals and plants into simpler materials or nutrients.

2.

What is food chain

a)

Food chain used to show the feeding relationship between organisms

b)

  • The interconnection of a few food chains is called a food web

3.

What is Energy Flow?

a)

Energy is transferred from one organism to another organism

b)

Energy is stored in one organism

4.

Green plants convert light energy into________ energy.

a)

chemical

b)

kinetic

c)

biomass

d)

natural

5.

The size of tertially consumer is usually smaller than secondary consumer,

a)

True

b)

False

6.

Water is released into atmosphere by plants is known as ________________

a)


photosynthesis

b)

transpiration

c)

combustion

d)

decomposition

7.

A _____________ is a few populations of different organisms that live together in one habitat and have mutual interaction with one another.

a)

population

b)

species

c)

community

8.

Which of the following interaction is mutualism?

a)

sea anemone and clown fish

b)

tiger and zebra

c)

remora fish and sharktapeworm and human

9.

The bird's nest fern and trees is_______________

a)

prey-predator

b)

commensalism

c)

parasitism

10.

The following are the benefits of biological control, EXCEPT

a)


does not cause pollution

b)

expensive

c)

environmental friendly

11.

Pick the best name for the picture.

a)

Ecosystem

b)

Food Web

c)

Food chain

d)

Habitat

12.

___________ breaks down dead animals and plants into simpler materials or nutrients.

a)

Heterotroph

b)

Decomposer

c)

Scavenger

d)

Consumer

13.

What does the arrow in a food chain or food web mean?

a)

Shows what eats what and consists of many food chains in an ecosystem

b)

The transfer (movement) of energy.

c)


An organism that breaks down wastes and dead organisms.

14.

Select the reasons of energy loss in the food chain.

(more than one answer)

a)

Water through excreation

b)

Respiration is carried out

c)

Movement of the organism

d)

Sleeping

15.

The process of plants losing water through their leaves is called ____.

a)

exhaling

b)


evaporation

c)

transpiration

d)

condensation

16.

What is the only process that removes carbon from the atmosphere?

a)

cellular respiration

b)

decomposition

c)

photosynthesis

17.

Which of the following contribute to the increase in the content of water vapour in the air?

(Choose more than one answer)

a)

Transpiration

b)

Photosynthesis

c)

Rain

d)

Defecation

18.

Which of the following statements best describe the oxygen cycle?

a)

A cycle that involves the use of water and carbon

b)

A cycle that involves the use and releases of oxygen.

c)

A cycle that involves the use of oxygen and carbon dioxide

d)

A cycle that involves photosynthesis and respiration

19.

This diagram shows carbon cycle. Which of the following represents X, Y and Z?

a)

X: Decay ; Y: Respiration ; Z: Photosynthesis

b)

X: Photosynthesis ; Y: Respiration ; Z: Decay

c)

X: Respiration ; Y: Decay; Z: Photosynthesis

20.

A group of organisms that have common characteristics and can reproduce to breed offsprings is called.......

a)


species

b)

population

c)


community

21.

A group of organisms of the same species that live in the same habitat is called .....

a)

ecosystem

b)

community

c)

population

22.

A community is a few species of different organisms that live together in one habitat and have mutual interaction with one another.

a)

True

b)

False

23.

An ecosystem is a few communities that live together in one habitat and have mutual interaction with one another including all the non living components such as water, air and soil.

a)

True

b)

False

24.

Which of the following factors can influence the population size in an ecosystem? (choose more than one answer)

a)


Community of the ecosystem

b)

Disease

c)

Source of food

d)

Biological Control

25.

The migration of cattle egret to Kuala Gula, Perak will cause the following change in the ecosystem:

a)

The people of Perak becomes very happy.

b)

The number of insects decreases.

c)


The population of other birds in Perak decreases in size.

d)

The number of ducks increases.

26.

Which of the following habitat has long winters and short summers?

a)


Tropical

b)

Tundra

c)

Desert

d)

Cold

27.

Select all the non-living components in a balanced ecosystem.

(There's more than one correct answer)


a)

water

b)

light

c)

soil

d)

predators

28.


What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

a)

mutualism

b)

commensalism

c)

parasitism

29.

Name the type of this symbiosis?

a)

Mutualism

b)

Commensalism

c)


Interspecies

30.

Hawks and owls eat the same thing. That relationship is called ___________.

a)

parasitism

b)

mutualism

c)

competition

d)

adaptation

31.

The main source of energy for an ecosystem.

a)

The sun

b)

Glucose

c)

Carbon dioxide

32.

A food _______ consists of many food ________.

a)

web, chains

b)

pyramid, webs

c)

chain, webs

33.

Which planet is between Mercury and Earth?

a)

Mars

b)

Uranus

c)

Venus

d)

Neptune

34.

Which planet is the largest?

a)

Earth

b)

Jupiter

c)

Neptune

d)

Saturn

35.

What happens when Earth rotates on its axis?

a)

The shape of the sun changes.

b)

The length of a shadow changes.

c)

The number of hours in a day changes.

d)

The moon falls out of the sky.

36.

There are _________ planets in our solar system.

a)

6

b)

7

c)

8

d)

9

37.

The center of our solar system is the....

a)

Earth

b)

Sun

c)

Moon

d)

Asteroid belt

38.
Which planet is red because of iron oxide or rust?
a)
Venus
b)
Mars
c)
Jupiter
d)
Saturn
39.

Choose the planet in our solar system that rotates on its side.

a)

Jupiter

b)

Neptune

c)

Uranus

d)

Earth

40.

Which unit of measurement is used to measure distances within our solar system?

a)

inches

b)

kilometers

c)

miles

d)

Astronomical units

41.

Which is the farthest planet to the Sun?

a)

Uranus

b)

Neptune

c)

Saturn

d)

Jupiter

42.

Which is the hottest planet?

a)

Mars

b)

Venus

c)

Mercury

d)

Jupiter

43.

The earth rotates on its axis of 23.5 degrees

a)

true

b)

false

44.

The gravitational pull of the planets depends on their mass and distance from the Sun.

a)

true

b)

false

45.

Earth takes __________ to rotate on its axis.

a)

24 hours

b)

365 days

46.

Which of the following is a ‘Gas Giant’?

a)

Mars

b)

Venus

c)

Jupiter

d)

Earth

47.

Earth takes __________ to orbit around the Sun.

a)

24 hours

b)

365 days

48.

Which of the planet has no atmosphere?

a)

Earth

b)

Venus

c)

Mercury

d)

Mars

49.

This planet has a ring system.

a)

Jupiter

b)

Saturn

c)

Earth

d)

Venus

50.

This planet is also known as Green House Planet.

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

51.

In Venus, the Sun rises from the west

a)

True

b)

False

52.

This planet is the only planet that is inhabited by living things.

a)

Mars

b)

Earth

c)

Jupiter

d)

Uranus

53.

71% of Earth surface is covered by...

a)

Water

b)

Land

54.

Saturn largest moon is ____________.

a)

Phobos

b)

Demos

c)

Titan

d)

Ganymede

55.

What is the name of Earth's natural satellite?

a)

Palapa

b)

Novi sad

c)

Apolo

d)

Moon

56.

Which of the following is the correct order of the planets from the Sun?

a)

Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune

b)

Earth, Venus, Mars, Mercury, Jupiter, Saturn, Uranus, Pluto

c)

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

d)

Saturn, Venus, Mars, Mercury, Jupiter, Neptune Mercury, Uranus

57.

Jupiter, Saturn, Uranus, and Neptune are considered as _________ planets?

a)

Gas Giants

b)

Ice Giants

c)

Terrestrial Planets

d)

Exterior Planets

58.

Which of the following statements is true about all planets in our Solar System?

a)

They are large bodies in space that orbit around the Sun

b)

Planets do not move, only stars move

c)

Planets make their own light

d)

Planets are larger than stars

59.

Planets that are closer to the sun ___________.

a)

take more time to orbit

b)

take less time to orbit

60.

Which statement best describes a galaxy?

a)

Is a cluster of millions of stars held together by gravity

b)

Is a star with planets, moons and other small space bodies revolving around it

c)

Is the only planet that has life

d)

Is a natural satellite

61.
The Sun is at the center of our solar system.  All the planets in the solar system orbit around the Sun. Which of the following planets has the longest orbit? 
a)
Mercury
b)
Earth
c)
Saturn
d)
Neptune
62.

All planets in the solar system rotate on their axis from west to east except

a)

Earth and Uranus

b)

Mercury and Neptune

c)

Venus and Uranus

d)

Venus and Mercury

63.

___________________ is the force that resists movement between two surfaces that are in contact with each other.

a)

Gravitational force

b)

Frictional force

c)

Elastic force

d)

Normal force

64.

The ___________ of an object is defined as the gravitational force acting on it.

a)

weight

b)

mass

65.

Force has magnitude only.

a)

True

b)

False

66.

1kg =

a)

1N

b)

10N

c)

100N

d)

100g

67.

A wooden block that float on water experiences___________

a)

normal force

b)

buoyant force

68.

Force can change the mass of an object.

a)

True

b)

False

69.

When the buoyant force is more than the weight of an object, the object will___________

a)

sink

b)

float

70.

In a lever, a fixed support point is known as ____________

a)

force

b)

load

c)

fulcrum

71.

Choose the correct type of lever.


Nutcracker

a)

First class lever

b)

Second class lever

c)

Third class lever

72.

Choose the correct type of lever.


Pliers

a)

First class lever

b)

Second class lever

c)

Third class lever

73.

Choose the correct type of lever.


Ice tongs

a)

First class lever

b)

Second class lever

c)

Third class lever

74.

Choose the correct type of lever.


Can opener

a)

First class lever

b)

Second class lever

c)

Third class lever

75.

Force applied on smaller surface area will result in a _________ pressure.

a)

smaller

b)

larger

76.

When the volume in a container is reduced, air pressure in the container _______________

a)

decreases

b)

increases

77.

Which of the following enables the siphon to function?

a)

Gravitational force

b)

Water pressure

c)

Potential energy

d)

Atmospheric pressure

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