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revision concept 1 grade 6

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

When feeling nervous or exposed to a dangerous situation, ..................

a)

Each system works separately

b)

The systems work together in an integrated system

c)

The systems do not interact with each other

2.

The process of muscle contraction leads to………………… its length.

a)

decrease

b)

increase

c)

no change

3.

The …………… sends instructions to muscles

a)

Heart

b)

brain

c)

arm

4.

Performing simple movements such as pick up a glass of water over the table. What systems in the human body work together to perform this task?

a)

nervous and circulatory

b)

nervous and musculoskeletal

c)

nervous, circulatory and musculoskeletal.

5.

The group of similar cells work together to form ……… .

a)

organ

b)

tissue

c)

system

6.

........................ contains the pigment chlorophyll, which helps it absorb the energy of sunlight to carry out the photosynthesis process.

a)

Nucleus

b)

Chloroplast

c)

Mitochondria

7.

......................... is considered the main control center in the cell.

a)

Nucleus

b)

Chloroplast

c)

Golgi apparatus

8.

A type of cell that contains a cell wall and Chloroplast is…………….

a)

Animal cell

b)

Plant cell

c)

Bacteria

9.

The plant cell is distinguished from the animal cell in that it contains .................... which gives it a definite shape.

a)

Cell membrane

b)

Cell wall

c)

vacuole

10.

The smallest tiny structures that build up all living organism's bodies are …..................

a)

systems.

b)

cells

c)

organs

d)

Bricks

11.

We can see the cell of ...... without using a microscope.

a)

bacteria

b)

plant

c)

human

d)

bird's egg

12.

The........ is responsible for the entry and exit of water into and out of the cell.

a)

cell membrane

b)

muscle cell

c)

nucleus

d)

bone cell

13.

The number of cells which build up a baby's body is ....... the number of cells which build up his father's body.

a)

more than

b)

less than

c)

equal to

d)

double

14.

The structure(s) found in the plant cell and not found in animal cell is/are ……………………….

a)

cell membrane only.

b)

cell wall only.

c)

cell membrane and nucleus.

d)

cell wall and chloroplast

15.

The cell needs........ to get its needed energy and to stay alive.

a)

oxygen only

b)

water only

c)

food and water only

d)

food, oxygen and water

16.

growth of a living organism is resulted from increasing the ....... of cells in its body.

a)

length.

b)

size

c)

number

d)

mass

17.

The body of ........ is composed of one cell only.

a)

human

b)

bacteria

c)

a big tree

d)

an elephant

18.

All the following living organisms bodies are build up of many cells, except, ………………………

a)

human.

b)

fish.

c)

plant.

d)

bacteria.

19.

Microscopes help scientists to discover that........... is the building unit of living organisms bodies.

a)

brick

b)

cell

c)

the Sun

d)

energy

20.

The body of simple living organisms as bacteria consists of ……………………

a)

one cell only.

b)

different cells.

c)

many cells.

d)

ten cells only.

21.

You can see the cells of all the following under microscope, except ……………..

a)

onion.

b)

human skin.

c)

leaf.

d)

stone.

22.

All the following are from parts of microscope, except … ………………...

a)

eyepiece.

b)

stage.

c)

coverslip.

d)

mirror.

23.

When you examine a piece of onion under microscope using the low power Objective lens, you will see the cells of onion in …………… size.

a)

small

b)

medium

c)

big

d)

very big

24.

The body of unicellular organism consists of.........

a)

one cell only.

b)

Three cells only.

c)

six cells only.

d)

many cells.

25.

All the following organisms are examples of multicellular organisms, except …………………...

a)

human.

b)

horse.

c)

bacteria.

d)

apple tree.

26.

Which of the following is the correct arrangement of the structure of most of Multicellular organisms bodies? ……………………………

a)

Similar cells - Organs - Tissues - Systems.

b)

Similar cells - Tissues - Organs - Systems.

c)

Organs - Tissues - Systems - Similar cells.

d)

Tissues -Similar cells - Organs - Systems.

27.

Stomach is composed of a group of different...........

a)

bacteria.

b)

systems.

c)

organs.

d)

tissues.

28.

All the following parts are from the main parts of animal cell, except...........

a)

cell membrane.

b)

cytoplasm.

c)

cell wall.

d)

nucleus.

29.

The gelatinous liquid which is found inside the cell is known as ...........

a)

nucleus.

b)

cytoplasm.

c)

cell membrane.

d)

organelles.

30.

The structure of plant cell which is made up of cellulose is the...........

a)

cell membrane.

b)

nucleus.

c)

cell wall.

d)

cytoplasm.

31.

Plant cell has the ability to make the photosynthesis process due to the Presence of........... inside it.

a)

mitochondria

b)

chloroplasts

c)

nucleus

d)

cytoplasm

32.

The organelles which provide the cell with the needed energy are called...........

a)

endoplasmic reticulum

b)

Golgi apparatus.

c)

mitochondria.

d)

cell membrane.

33.

Selective permeability of cell membrane means that cell membrane controls...........

a)

the energy which is produced inside the cell.

b)

the food which is consumed by the cell.

c)

the substances which are transported inside the cell.

d)

the substances that can enter or leave the cell.

34.

The two cell organelles which are responsible for transportation process are ………………..

a)

mitochondria and golgi apparatus.

b)

endoplasmic reticulum and golgi apparatus.

c)

endoplasmic reticulum and mitochondria.

d)

mitochondria and chloroplasts.

35.

Nucleus is responsible for controlling ……………………

a)

formation of proteins only.

b)

cell division only.

c)

formation of proteins and cell division.

d)

formation of proteins and energy production.

36.

Cellulose forms ………………………. of plant cell.

a)

cell membrane

b)

cell wall

c)

chloroplasts

d)

sap vacuole

37.

The function of cell wall is ................

a)

surrounding animal cell to give it a definite shape.

b)

storing nutrients, water and waste materials inside the cell.

c)

surrounding plant cell to give it a definite shape.

d)

making food of plants by photosynthesis process.

38.

All the following structures are found in onion cells only and not found in fish cell except …………………...

a)

cell wall.

b)

one sap vacuole.

c)

chloroplasts.

d)

mitochondria.

39.

All the following are from characters of chloroplasts, except that.............

a)

they are sac-like organelles.

b)

they contain tiny green granules.

c)

they are found in both plant and animal cells.

d)

they contain chlorophyll pigment.

40.

All the following can be stored inside sap vacuole of plant cell, except ...............

a)

energy.

b)

nutrients.

c)

water.

d)

waste material

41.

The animal cell doesn't have a definite shape, because it doesn't have a ............

a)

cell membrane.

b)

cell wall.

c)

chloroplast.

d)

nucleus.

42.

All the following animals have bones in there bodies, except ……………………………

a)

Cats.

b)

dogs.

c)

birds.

d)

insects.

43.

The animal cell cannot make photosynthesis process, because it doesn't have …………………..

a)

nucleus.

b)

chloroplasts.

c)

mitochondria.

d)

sap vacuole.

44.

The structure which is found in the cell of a banana tree leaf and not found in the cell of a cat is ………………………….

a)

nucleus.

b)

golgi apparatus.

c)

cell membrane.

d)

cell wall.

45.

Most plants appears in ................. color due to the presence of chlorophyll Pigment in there cells.

a)

yellow

b)

blue

c)

green

d)

red

46.

Cell biologists use microscopes to magnify …………….to appears larger.

a)

stones

b)

bricks

c)

cells

d)

rocks

47.

Cell biologists do experiments and analyze data to study all the following, except ……………………

a)

how cells respond to different medicines.

b)

how rocks are formed on Earth's surface.

c)

how cells can work to repair body parts.

d)

how plant cells respond to different environmental factors.

48.

To see the structure of a cell under microscope we must color it by using ……………………….

a)

stains.

b)

water.

c)

sunlight.

d)

vinegar.

49.

Methylene blue dye helps us to see the ................. of the cell as a blue area under microscope.

a)

cytoplasm

b)

golgi apparatus

c)

chloroplasts

d)

nucleus

50.

Growth of a living organism is resulted from increasing the ............... of

cells in its body.

a)

lengh

b)

size

c)

mass

d)

number