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Worksheets

Organelles

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which organelle contains DNA and controls the cell?

a)

Cell membrane

b)

nucleus

c)

nucleolus

d)

lysosme

2.

This pigment is found in chloroplasts.

a)

rhodopsin

b)

chlorophyll

c)

thylakoid

d)

stroma

3.

this organelle makes ATP.

a)

chloroplast

b)

mitochondria

c)

ribosome

d)

nucleolus

4.
The ____________ packages and processes material before it exports out of the cell.
a)
Vacuoles
b)
mitochondria
c)
Golgi apparatus 
d)
nucleus 
5.
Which of the following is an enzyme filled organelle that breaks down waste in the cell?
a)
lysosomes
b)
chloroplast
c)
mitochondria 
d)
Golgi apparatus 
6.

The function of the nucleolus in a nucleus is

a)

to synthesise DNA

b)

to synthesise mRNA

c)

to synthesise ribosomes

d)

to synthesise chromosome

7.

Which of the following organelles lack nucleic acid?

a)

Ribosomes

b)

Golgi apparatus

c)

Mitochondrion

d)

Chloroplast

8.

The diagram below shows a chloroplast.

Which of the list shown below correctly describes the name of the process and the location of the process in the chloroplast?

a)

X : Light dependent reaction

Y : Light independent reaction

Z : -

b)

X : -

Y : Light independent reaction

Z : Light dependent reaction

c)

X : -

Y : Light dependent reaction

Z : Light independent reaction

d)

X : Light dependent reaction

Y : -

Z : Light independent reaction

9.

Which of the following are the functions of the smooth endoplasmic reticulum?

I Synthesis and transports of steroids and lipids

II Detoxifies drugs and toxin in the liver

III Stores calcium ions in striated muscles

IV Forms lysosomes

a)

I, II and III

b)

I, II and IV

c)

I, III and IV

d)

I, II, III and IV

10.

Which of the following organelles is usually continuous with the outer membrane of the nucleus?

a)

Smooth endoplasmic reticulum

b)

Rough endoplasmic reticulum

c)

Golgi apparatus

d)

Ribosomes

11.

Which of the following are the functions of the Golgi apparatus?

I Forms lysosome

II Modifies protein to form conjugated protein

III Synthesises extracellular enzymes

IV Transports lipid

a)

I and II

b)

I and III

c)

I, II and III

d)

I, III and IV

12.

Which of the following are the functions of the vacuole?

I Balance the water potential of a plant cell

II Support the plant cells by producing turgor pressure

III Store pigments in plant cells

IV Function in the osmoregulation in unicellular organisms

a)

I, II and III

b)

I, II and IV

c)

II, III and IV

d)

I, II, III and IV

13.

Autophagy is

a)

the digestion of the whole cell

b)

the digestion of food in food vacuoles

c)

the digestion of old and worn out organelles in the cell

d)

the phagocytosis of pathogens

14.

Which of the following statements about ribosomes are correct?

I 70S ribosomes are found in bacteria

II Ribosomes consist of three subunits

III Ribosomes is site of glycoprotein synthesis

IV Found only attached to the rough endoplasmic reticulum

a)

I only

b)

I and II

c)

II, III and IV

d)

I, III and IV

15.

Which of the following statements about centrioles are true?

I Centrioles are found in animal and plant cells

II Centrioles have '9+2' arrangement of microtubules

III Centrioles acts as an organizer of spindle fibers

IV Centrioles replicates during mitosis

a)

I and II

b)

I and III

c)

III and IV

d)

II, III and IV