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Exercises on Lesson 3

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The body of a unicellular organism consists of ......…....

a)

one cell only.

b)

many different cells.

c)

one organ only.

d)

many similar cells.

2.

All the following organisms are examples of multicellular organisms, except

a)

human.

b)

horse.

c)

bacteria.

d)

apple tree.

3.

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.

4.

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

a)

bacteria.

b)

systems.

c)

organs.

d)

tissues.

5.

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

a)

cell membrane.

b)

cytoplasm.

c)

cell wall.

d)

nucleus.

6.

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

a)

nucleus.

b)

cytoplasm.

c)

cell membrane.

d)

organelles.

7.

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

a)

cell membrane.

b)

nucleus.

c)

cell wall.

d)

cytoplasm.

8.

A plant cell has the ability to make the photosynthesis process due to the presence of ............ inside it.

a)

chloroplasts

b)

cytoplasm

c)

cell membrane

d)

nucleus

9.

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

a)

endoplasmic reticulum.

b)

golgi apparatus.

c)

mitochondria.

d)

cell membrane.

10.

Selective permeability means that the 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.