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Worksheets

Year 8 Biology

Total questions: 75

Worksheet time: 59mins

Name
Class
Date
1.
What is photosynthesis?
a)
The process in which humans eat their food
b)
When a photographer takes a photo.
c)
To get your pictures from the photo lab.
d)
The process in which plants make their food.
2.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
3.
What is produced as a result of photosynthesis?
a)
Glucose and Chlorophyll
b)
Glucose and Oxygen
c)
Water and Light energy
d)
Carbon dioxide and Water
4.

What do carbohydrates do for our bodies?

a)

Gives us strong muscles

b)

Helps us to digest our food.

c)

Gives us energy.

d)

Gives us proteins.

5.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

6.
Who was the first  person to see cells under the microscope and give them their name?
a)
Mattias Schleiden
b)
Robert Hooke
c)
Theordor Schwann
d)
Anton van Leeuwenhoek
7.
He discovered that all plants are made of cells:
a)
Anton van Leeuwenhoek
b)
Theordor Schwann
c)
Robert Hooke
d)
Mattias Schleiden
8.

Cells come from______.

a)

other preexisting cells

b)

cytoplasm

c)

organelles

d)

prokaryotes

9.

Regardless of type, all cells

a)

have a cell membrane

b)

have cytoplasm

c)

can duplicate themselves by undergoing cell division

d)

all of the above

10.
Acts as the "brain" of the cell and controls all of the cell's activities
a)
cell membrane
b)
cell wall
c)
cytoplasm
d)
nucleus
11.
Acts as a "door".  Holds the cell together and controls what goes in and out of the cell
a)
cell membrane
b)
nucleus
c)
cell wall
d)
chloroplast
12.
Found only in plant cells.  It supports and protects the cell
a)
cytoplasm
b)
nucleus
c)
cell wall
d)
cell membrane
13.
A jelly like substance that helps the cell stay healthy
a)
cell wall
b)
cytoplasm
c)
nucleus
d)
chloroplast
14.
Makes food for the plant cell
a)
nucleus
b)
vacuole
c)
cell wall
d)
chloroplast
15.
Acts as a "storage tank".  Stores food, water, and waste
a)
nucleus
b)
cell wall
c)
vacuole
d)
cytoplasm
16.
The "powerhouse".  Releases energy from food.
a)
mitochondrion
b)
nucleus
c)
chloroplast
d)
vacuole
17.
Cells work together to make ____
a)
organs
b)
tissues
c)
organ systems
d)
organisms
18.
Tissues work together to make _____
a)
tissues
b)
organs
c)
organ systems
d)
organisms
19.
Organs work together to make _____
a)
tissues
b)
organs
c)
organ systems
d)
organisms
20.
Organ systems work together to make ____
a)
tissues
b)
organs
c)
organ systems
d)
organisms
21.

powerhouse of the cell, provides energy

a)

microscope

b)

chloroplast

c)

mitochondria

d)

vacuole

22.

a tiny cell structure that carries out a specific function within the cell

a)

microscope

b)

cell wall

c)

nucleus

d)

organelle

23.

device that produces magnified images of structures that are too small to see with the unaided eye

a)

microscope

b)

organelle

c)

chloroplast

d)

cytoplasm

24.

a jellylike fluid inside the cell in which the organelles are suspended

a)

chromosomes

b)

cytoplasm

c)

mitochondria

d)

nucleus

25.

thin, flexible barrier around a cell; controls what enters and leaves the cell

a)

organelle

b)

cell wall

c)

cell membrane

d)

membrane

26.

a rigid structure that surrounds the cell bembrane and provides support to the cell

a)

cell

b)

cell membrane

c)

cell wall

d)

nucleus

27.

Surrounds the plant cell and maintains the cell shape and structure.

a)

Cell wall

b)

Cell membrane

c)

Nucleus

d)

Ribosome

28.

Makes protein for the cell.

a)

ribosome

b)

mitochondria

c)

endoplasmic reticulum

d)

cell membrane

29.

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

30.

What is the cellular process that takes place within the mitochondria?

a)

Respiration

b)

Cell waste

c)

rRNA

d)

mRNA

31.

The two kinds of cells are Prokaryotes and Eukaryotes. How are they different?

a)

Prokaryotes have a nucleus.

b)

Eukaryotes have a nucleus.

c)

There is no difference.

32.
What type of cell has a nucleus? 
a)
eukaryotic
b)
prokaryotic 
33.
Every living organism is made up of one or more cells
a)
True
b)
False
34.

What kind of cell is this?

a)

Animal

b)

Plant

35.

What kind of cell is this?

a)

Plant

b)

Animal

36.

Name two parts that are in the plant cell but that are NOT in an animal cell.

a)

cell membrane and chloroplasts

b)

cell wall and cytoplasm

c)

cell wall and chloroplasts

37.

What is number 2?

a)

cell membrane

b)

cytoplasm

c)

nucleus

d)

vacuole

38.

 

Which organelle is #3?

a)

Cell Wall

b)

Cytoplasm

c)

Vacuole

d)

Chloroplast

39.

Which organelle is #1?

a)

Nucleus

b)

Vacuole

c)

Chromosomes

d)

Cell Wall

40.

Which organelle is #3?

a)

Chloroplast

b)

Cytoplasm

c)

Mitochondria

d)

Organelle

41.

Chloroplast in cells do this

a)

Make food for the cells

b)

Keep all the organelles within the cell

c)

Protect the cell and give it support

d)

Make energy for the cell

42.

Both a plant and animal cells have a cell wall

a)

False

b)

True

43.

Which part of the cell is a STIFF STRUCTURE that gives the plant cell its BOXY SHAPE?

a)

Cell Membrane

b)

Cell Wall

c)

Ribosome

d)

Chloroplast

44.

Which kind of cell has one large vacuole?

a)

Plant

b)

Animal

45.
What is the term for a group of tissues working together to perform a job?
a)
organ
b)
organ system
c)
organelle
d)
organism
46.

This type of cell is not yet specialized, but has the ability to turn into a variety of specialized cell types.

a)

stem cell

b)

bone cell

c)

nerve cell

d)

gamete

47.

A specialised cell is a cell that has ...

a)

the ability to divide/ replicate

b)

a specific function

c)

no specific function in the body

d)

the ability to differentiate/ specialise

48.

A group of similar cells that work together, to perform a function, make up _____.

a)

An organism

b)

An organ system

c)

An organ

d)

A tissue

49.

This is a example of........

a)

an organ system

b)

cells

c)

organs

d)

tissues

50.

What is the correct order of organization?

a)

cells->tissue->organs->organ systems-> organism

b)

tissue->cells->organs->organ systems-> organism

c)

organs->organ systems-> organism->cells->tissue

51.

What are the four main tissues found in the body?

a)

Epithelial, Connective, Bone, Blood

b)

Muscle, Connective, Blood, Epithelial

c)

Nervous, Muscle, Connective, Epithelial

d)

Nervous, Muscle, Connective, Bone

52.

This type of tissue, shown in the picture, sends messages throughout the body, to and from the brain, in the form of electrical impulses.

a)

Nervous Tissue

b)

Connective Tissue

c)

Muscular Tissue

53.

Which of the following tissues is made up of cells that contract and relax to move substances through the body and help the body move?

a)

Epithelial

b)

Connective

c)

Muscle

54.

Blood is a type of .....

a)

Epithelial Tissue

b)

Connective Tissue

c)

Muscle Tissue

d)

Nervous Tissue

55.

Which type of cell has a nucleus?

a)

prokaryote

b)

eukaryote

c)

both prokaryotes and eukaryotes

d)

neither prokaryotes nor eukaryotes

56.
Number 1 is pointing at which Respiratory organ?
a)
Diaphragm
b)
Lung
c)
Bronchi Tubes
d)
Nose
57.
The windpipe is also known as which organ?
a)
Lung
b)
Trachea
c)
Alveoli
d)
Nose
58.
Which 2 substances are exchanged in the Respiratory System?
a)
oxygen and nitrogen
b)
carbon dioxide and oxygen
c)
oxygen and glucose
d)
glucose and carbon dioxide
59.
Number 6 is pointing to which organ of the Respiratory System
a)
Nose
b)
Lung
c)
Diaphragm
d)
Bronchi Tube
60.

Which of the following organelles is found in PLANT cells only

a)

Cell wall

b)

Cell membrane

c)

Cytosplasm

d)

Ribosomes

61.
The place in the lungs where oxygen and carbon dioxide are exchanged 
a)
Diaphragm
b)
Alveolus
c)
Bronchi Tube
d)
Trachea
62.
Number 11 is pointing to which organ of the Respiratory System?
a)
Alveoli
b)
Lungs
c)
Bronchi Tubes
d)
Bronchioles
63.
Letter D is pointing to which Respiratory organ?
a)
Alveoli
b)
Diaphragm
c)
Lung
d)
Bronchi
64.

The heart pumps the blood around your body through a process called

a)

Respiration

b)

Digestion

c)

Circulation

d)

Excretion

65.

Which of the following about pollination is true?

a)

Cross-pollination occurs between flowers of same plant.

b)

Cross-pollination occurs between flowers of different plants that is of the same species.

c)

Self-pollination occurs between flowers of different plants.

d)

Cross-pollination occurs between flowers of different plants that is of different species.

66.

Asexual reproduction has

a)

1 parent

b)

2 parents

67.

Sexual reproduction has

a)

1 parent

b)

2 parents

68.

Asexual reproduction creates offspring that are

a)

genetically identical to the parent

b)

different from the parent

c)

different from each other

d)

formed by 2 parents

69.

Budding, vegetative propagation, regeneration, and binary fission are all types of

a)

sexual reproduction

b)

asexual reproduction

70.

The type of asexual reproduction shown in the diagram is called

a)

regeneration

b)

binary fission

c)

vegetative propagation

d)

budding

71.

Compared to the amount in a normal human cell, a sperm cell will have

a)

the same amount of chromsomes

b)

twice the amount of chromosomes

c)

half the amount of chromosomes

d)

one fourth the amount of chromosomes

72.

Gametes are made in

a)

skin cells

b)

stomach cells

c)

reproductive systems

d)

the circulatory system

73.

What is it called when the egg and sperm cell join?

a)

zygote

b)

gamete

c)

fertilization

d)

mitosis

74.

What is a fertilized egg cell called?

a)

gamete

b)

meiosis

c)

zygote

d)

mitosis

75.

In which type of reproduction do the sperm and egg cell join?

a)

asexual

b)

sexual

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