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Science - Grade 6

Total questions: 110

Worksheet time: 2hrs 0mins

Name
Class
Date
1.

The organ system that moves blood to all parts of your body is __________________.

a)

nervous system

b)

respiratory system

c)

skeletal system

d)

circulatory system

2.

Where do scientists do the experiments to test their ideas and make discoveries?

a)

Lavatory

b)

Laboratory

c)

Library

d)

Obituary

3.

All living things are built from . . .

a)

cells

b)

nucleus

c)

plankton

d)

microscopic

4.

The smallest living things are just one cell are called . . . .

a)

cells

b)

microscopic

c)

unicellular

d)

multi-cellular

5.

Plant and animal cells have a . . . , which controls how the cell work.

a)

vacuole

b)

nucleus

c)

cellulose

d)

cytoplasm

6.

. . . is the green chemical which captures the energy of sunlight.

a)

Vacuole

b)

Chlorophyll

c)

Cellulose

d)

Cytoplasm

7.

The picture is the example of . . . .

a)

Plant cell

b)

Animal Cell

c)

Human cell

d)

Bacteria cell

8.

A cell is like a ______________

a)

House

b)

School

c)

City

d)

Road

9.

What is cytoplasm made up of (mostly)?

a)

Nothing

b)

Cytoskeleton

c)

Just water

d)

Water & Nutrients

10.

What two jobs does the nucleus have?

a)

Breaks down proteins

b)

Makes cell laws

c)

Animal cells don't have a nucleus

d)

Stores the cell's DNA

11.
Which 2 organelles are in plants and animals?
a)
cell wall and cytoplasm
b)
nucleaus and plastids
c)
cell membrane and cytoplasm
d)
cell membrane and chlorophast
12.
Which one of the following organelles is not found in a an animal cell?
a)
cell membrane
b)
nucleus
c)
chloroplast
d)
endoplasmic reticulum
13.
This cell can produce it's own food through photosynthesis. 
a)
Animal
b)
Plant
14.
The vacuoles in ________ cells are smaller.
a)
Animal
b)
Plant
15.
Which organelle belongs in both plant and animal cells?
a)
Cytoplasm
b)
Chloroplast
c)
Large Central Vacuole
d)
Cell Wall
16.
Letter M represents which cell organelle?
a)
cell wall
b)
cell membrane
c)
cytoplasm
d)
mitochondria
17.
Letter L represents which cell organelle?
a)
golgi body
b)
cell membrane
c)
cytoplasm
d)
mitochondria
18.
Letter J represents which cell organelle?
a)
cell wall
b)
cell membrane
c)
cytoplasm
d)
mitochondria
19.
Letter I represents which cell organelle?
a)
cell wall
b)
cell membrane
c)
cytoplasm
d)
chloroplast
20.
Letter H represents which cell organelle?
a)
cell wall
b)
cell membrane
c)
cytoplasm
d)
chloroplast
21.
Letter G represents which cell organelle?
a)
cell wall
b)
cell membrane
c)
cytoplasm
d)
chloroplast
22.
Letter F represents which cell organelle?
a)
smooth ER
b)
rough ER
c)
golgi body
d)
vacuole
23.
Letter A represents what cell part?
a)
nucleus
b)
nucleolus
c)
nuclear membrane
d)
cytoplasm
24.
Letter L represents what cell part?
a)
nucleus
b)
nucleolus
c)
nuclear membrane
d)
cytoplasm
25.
What is the cell organelle that directs the activity of a cell that contains chromosomes with DNA?
a)
nucleolus
b)
nucleus
c)
ribosomes
d)
golgi body
26.

The cell membrane is on the ________ of the cell wall.

a)

outside

b)

inside

27.

Eukaryotic cells: The difference between plants and animal cells is only plants have

a)

mitochondria

b)

a cell membrane

c)

chloroplast and a cell wall

d)

a nucleus

28.

Cell B is most likely

a)

a bacterial cell

b)

an animal cell

c)

a plant or animal cell

d)

a plant cell

29.

The function of the chloroplast is to

a)

Convert food into energy

b)

convert sunlight into sugar

c)

convert sugar into energy

d)

convert food into sugar

30.

The function of the nucleus is to

a)

let things in and out of the cell

b)

store nutrients, water, and, waste

c)

control the activities of the cell

d)

convert sunlight into energy

31.

Plants produce their own food through their _______, animals ______ their food for energy.

a)

chloroplast, eat

b)

mitochondria, eat

c)

eat, cytoplasm

d)

eat, produce

32.

______ eat their food, while _______ produce their food through chloroplast.

a)

plants, animals

b)

Eukaryotic, Prokaryotic

c)

plants, plants

d)

animals, plants

33.

Which structures are found ONLY in plants?

a)

Mitochondria, Cell wall

b)

cell wall, cell membrane

c)

nucleus, chloroplast

d)

chloroplast, cell wall

34.

The function of the cell wall is to

a)

provide structure

b)

store nutrients, water, waste

c)

convert sunlight to energy

d)

convert food into energy

35.

The cell wall is on the _______ of the cell membrane.

a)

outside

b)

inside

36.

The function of the mitochondria is to

a)

convert sunlight into sugar

b)

allow materials to enter and exit the cell

c)

provide structure

d)

convert food into energy

37.

Which structures are found in both plant and animal cells?

a)

chloroplast, vacuoles, nucleus, cell membrane

b)

mitochondria, cell wall, nucleus, cell membrane

c)

cell membrane, vacuoles, nucleus, mitochondria

d)

cell wall, nucleus, vacuoles, mitochondria

38.

The function of the nucleus is to

a)

store water, waste and nutrients

b)

store genetic information

c)

allow materials to enter and exit the cell

d)

allow organelles to float inside it

39.

Cell A is most likely

a)

a plant cell

b)

an animal cell

c)

a bacteria cell

d)

a Prokaryotic cell

40.

A jelly like fluid that holds organelles is called the

a)

cytoplasm

b)

nucleus

c)

vacuole

d)

cell membrane

41.
Is the following a plant or animal cell or both? 
The brain of the cell
a)
Plant
b)
Animal
c)
Both
42.
What is the difference between a plant and animal cell?
a)
Animal cells are eukaryotic and plant cell are not
b)
Plant cells are eukaryotic and animal cells are not
c)
plant cells have a larger vacuole, chloroplast, and a cell wall
d)
animal cells have a larger vacuole, chloroplast, and a cell wall
43.
Is the following a plant or animal cell or both? 
Cell Membrane
a)
plant
b)
animal 
c)
both
44.
What are tiny organelles that convert glucose into ATP?
a)
Ribosomes
b)
Vesicles
c)
Cytoskeleton
d)
Mitochondria
45.
What absorbs energy from visible light?
a)
Chlorophyll
b)
Chloroplast
c)
Stroma
d)
Carbon Dioxide
46.

If 4 cells divide/reproduce, how many cells will there be?

a)

4

b)

8

c)

6

d)

12

47.

A cell is...

a)

The basic unit of life

b)

A nonliving part of our body

c)

Made of different types of cells

d)

Able to be seen without a microscope

48.

A group of organs that works together is called...

a)

a team

b)

organic tissue

c)

organelles

d)

an organ system

49.

Select all the steps that are part of the digestive system:

a)

food enters the system through the mouth

b)

food travels down the oesophagus

c)

through digestion, food is broken down into particles

d)

the blood carries the nutrients to the rest of the body

50.

Which of the following ISN'T an organ?

a)

eye

b)

heart

c)

brain

d)

hair

51.

Select all the blood vessels:

a)

veins

b)

heart

c)

arteries

d)

lungs

52.

What is the function of the circulatory system?

a)

to separate the nutrients from the waste

b)

to transport substances all over the body

c)

to help different parts of the body communicate with one another

d)

to allow the cells in the body to respire

53.

What is the function of the circulatory system?

a)

to separate the nutrients from the waste

b)

to transport substances all over the body

c)

to help different parts of the body communicate with one another

d)

to allow the cells in the body to respire

54.

How does the nervous system work?

a)

signals come only from the sense organs

b)

signals come only from the spinal cord

c)

signals travel along nerves to all the body organs

d)

signals come only from the brain

55.

How do nerves help the different organs in the body to work together?

a)

they help them communicate

b)

they help them carry out new functions

c)

they help them create signals

56.

Why do all the cells in the body need oxygen?

a)

to send signals to the brain

b)

to feel better

c)

to respire and get energy

d)

to separate nutrients from waste

57.

Which of the following elements is a waste product of the human respiratory system?

a)

oxygen

b)

water

c)

carbon dioxide

58.

When does carbon dioxide leave our bodies?

a)

when we sweat

b)

when we breathe out/ exhale

c)

when we breathe in/ inhale

59.

The nervous system helps different organ systems to ___________________.

a)

communicate

b)

work together

c)

coordinate

d)

all of these

60.

The respiratory system works together with the nervous system. Which is an example of this?

a)

We can still breathe even while asleep.

b)

Digestion of food is better with exercise.

c)

Nutrients are absorbed by the blood through the intestine.

61.

Which DOESN'T belong to the respiratory system? Tick TWO.

a)

pancreas

b)

esophagus

c)

windpipe

d)

ribs

e)

lungs

62.

Which is NOT a function of the respiratory system?

a)

break down food

b)

process oxygen

c)

take out carbon dioxide

63.

Which organ pumps blood?

a)
b)
c)
d)
64.

Which organ system transports important substances all over the body?

a)

circulatory system

b)

digestive system

c)

nervous system

d)

respiratory system

65.

The circulatory system are mostly made up of tubes called ________________.

a)

blood vessels

b)

intestines

c)

esophagus

d)

nerves

66.

Which two organs are part of the digestive system? Tick two.

a)

intestines

b)

mouth

c)

lungs

d)

heart

e)

spinal cord

67.

What is the main function of this organ system?

a)

digestion of food

b)

circulation of blood

c)

communication

d)

respiration

68.

A ____________________ that work together is called an organ system.

a)

group of organs

b)

group of systems

c)

organs

d)

systems

69.

The (a)   system is the body system that allows you to inhale and exhale air (spelling counts!)

70.

Which organ system includes the bones and cartilage?

a)

Nervous system

b)

Muscular system

c)

Skeletal system

d)

Respiratory system

71.

Which organ system contains skeletal muscle, cardiac muscle, and smooth muscle?

a)

Nervous system

b)

Muscular system

c)

Skeletal system

d)

Circulatory system

72.

What system is pictured?

a)

Skeletal

b)

Circulatory

c)

Nervous

d)

Muscular

73.

Which two body systems are working together to make this type of physical movement from the basketball player?

a)

Circulatory and Excretory

b)

Skeletal and Muscular

c)

Nervous and Digestive

d)

Respiratory and Skeletal

74.

What is the function of the system pictured?

a)

Helps pumps your blood through out your body.

b)

Helps move and protect your body.

c)

Helps take in oxygen and remove carbon dioxide.

d)

Helps maintain body your temperature.

75.

What organ is this?

a)

Heart

b)

Lungs

c)

Intestine

d)

Trachea

76.

The ribs protect your...

a)

heart

b)

lungs

c)

liver

d)

all of the above

77.

Which system is the stomach in?

a)

respiratory

b)

digestive

c)

skeletal

d)

circulatory

78.

What is the main function of the respiratory system?

a)

enables us to breathe

b)

move nutrients throughout the body

c)

protects our organs

d)

breakdowns the food into smaller pieces

79.

What is the main job of the digestive system?

a)

break down foods into nutrients that can be used by the body

b)

enables us to breathe

c)

pump blood throughout the body

d)

support our body

80.

Bones and joints make up _______________ system

a)

nervous

b)

digestive

c)

muscular

d)

skeletal

81.

When you touch something soft, signals travels from your.... through..... to your .....

a)

skin, brain, nerves

b)

nerves, skin, brain

c)

skin, nerves, brain

d)

brain, skin, nerves

82.

What is C?

a)

veins from lungs

b)

artery to lungs

c)

veins from body

d)

artery to body

83.

Which part is bronchus?

a)

A

b)

B

c)

C

d)

D

84.

The brain is located in the head and is protected by...

a)

skull

b)

rib

c)

femur

d)

spine

85.

The large intestine is called...

(a)  

86.

All organ systems have this at its most basic unit.

a)

Cells

b)

Neurons

c)

Tissues

d)

Organs

87.
Organs are made up of ________.
a)
tissues
b)
organ systems
c)
organisms
d)
species
88.

Organs that work together are part of a(n) ________________________.

a)

cells

b)

tissue

c)

organ system

89.
Which organ stores waste produced by the kidneys?
a)
pancreas
b)
gall bladder
c)
bladder
d)
large intestine
90.
We breathe in __ and breathe out __.
a)
oxygen, carbon dioxide
b)
carbon dioxide, oxygen
c)
oxygen, carbon monoxide
d)
carbon dioxide, carbon monoxide
91.

Sieve tubes and companion cells are present in _____________.

a)

xylem

b)

phloem

c)

cork

d)

cambium

92.

A twig of white-coloured flowers is placed in a beaker containing coloured water. After some time, the white petals become coloured. Which tissue is responsible for this?

a)

Xylem

b)

Phloem

c)

cork

d)

cambium

93.

Which of the following is not a function of epidermal tissue?

a)

Protection

b)

Absorption of water

c)

Transport of water

d)

Gaseous exchange

94.

A permanent tissue is described as complex tissue when it has ___________.

a)

one type of cells, performing two or more different functions

b)

more than one type of cells, performing different functions

c)

one type of cells, performing one function

d)

more than one type of cells, performing one common function

95.

Photosynthesis takes place in leaves due to ______________.

a)

chloroplasts present in parenchyma cells

b)

chloroplasts present in complex cells

c)

chloroplasts present in collenchyma cells

d)

chloroplasts present in epidermal cells

96.

What type of muscle tissue is this?

a)

cardiac

b)

skeletal

c)

smooth

97.

Label the muscle type from left to right.

a)

cardiac smooth skeletal

b)

skeletal cardiac smooth

c)

skeletal smooth cardiac

d)

cardiac skeletal smooth

98.

The liquid part of blood.

a)

Plasma

b)

Platelets

c)

red blood corpuscles

d)

white blood corpuscles

99.

Striated muscles constitute about ____% of the body weight

a)

25

b)

40

c)

50

d)

70

100.

Fluid Connective Tissue is concerned with transportation of:

a)

glucose

b)

amino acid

c)

fat globules

d)

oxygen

e)

water

101.

Ligaments connect muscles to bones at joints.

a)

True

b)

False

102.

Plant tissue that helps as water conducting tissues.

a)

Xylem

b)

Phloem

c)

Epidermis

d)

Vascular bundles

103.

Xylem and phloem tissues together is known as ______

a)

Vascular bundles

b)

Food and water tissues

c)

Tissues

d)

Protective tissues

104.

The tissue which conducts the messages from one part of the body to the other is

a)

Nervous tissue

b)

Epithelial tissue

c)

Connective tissue

d)

A muscle

105.

Nervous tissue consists of

a)

Nerve cell

b)

Tendons

c)

Cyton

d)

Lymph

106.

About two-third of the body weight is made up of _____ tissue.

a)

Nerves

b)

Bones

c)

Muscles

d)

Tissues

107.

Nerve cells are found in _____ and _____

a)

Brain, spinal

b)

Brain , Nerves

c)

Brain , vertebral column

d)

Brain, backbone

108.

The elastic bands that connect one bone to another bone.

a)

Ligament

b)

Tendons

c)

Cartilage

d)

Bones

109.

Tough solid connective tissue is less harder than bones.

a)

Bones

b)

Ligaments

c)

Tendons

d)

Cartilage

110.

_______ is a blood like fluid without the red blood cells that protects the body against infections

a)

Blood

b)

Lymph

c)

Plasma

d)

Fluid

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