Cells & tissues

Question 1

How many pairs of chromosomes does the nucleus contain?
a. 46
b. 23
c. 21
d. 44

Answer 1

b. 23

Question 2

Mitochondria is.
a. the control centre of the cell
b. the production of protein
c. the powerhouse of the cell
d. the transport of materials

Answer 2

c. the powerhouse of the cell

Question 3

The cell membrane is made up of
a. single membrane
b. a double membrane
c. channel proteins
d. B and C

Answer 3

b. a double membrane

Question 4

This type of cell division occurs in gamete production.
a. meiosis
b. mitosis
c. interphase
d. none of the above

Answer 4

a. meiosis

Question 5

Catabolism
a. builds complex molecules form simple molecules.
b. produces energy.
c. requires energy.
d. breaks down complex molecules in simple molecules.
e. A & B
f. C & B

Answer 5

d. breaks down complex molecules in simple molecules.

Question 6

The process of active transport
a. produces energy.
b. requires energy.
c. uses no energy.
d. none of the above

Answer 6

b. requires energy.

Question 7

The following is a type of connective tissue.
a. neurone
b. blood
c. skeletal muscle
d. skin

Answer 7

b. blood

Question 8

The following is not a type of epithelial tissue.
a. squamous
b. cuboidal
c. bone
d. columnar

Answer 8

c. bone

Question 9

The following is not a function of a living cell.
a. communication
b. respiration
c. excretion
d. reproduction

Answer 9

a. communication

Question 10

The following type of tissue carries ‘messages’ to and from areas of the body.
a. epithelial
b. muscle
c. nervous
d. connective

Answer 10

c. nervous

Question 11

Define the term ‘cell’.

Answer 11

There two types of prokaryotic cells (e.g., bacterial cells) and eukaryotic cells (e.g., plant or animal cells). there is gamete used in reproduction. Eukaryotic cell have a nucl

Question 12

List five organelles of a cell.

Answer 12

Nucleus.
Mitochondria.
Ribosomes.
Endoplasmic Reticulum.
Golgi Complex(apparatus)
Vacuole.
Peroxisomes.
Lysosomes.

Question 13

Describe the structure and function of the nucleus.

Answer 13

The nucleus is spherical-shaped and is present in every eukaryotic, cell except red blood cells. The nucleus is the control centre of eukaryotic cells. It is also responsible for the coordination of genes and gene expression. The structure of the nucleus includes nuclear membrane, chromosomes, nucleoplasm, and nucleolus.

Question 14

Outline the four different types of body tissue and identify their function.

Question 15

Describe the process of osmosis

Question 16

What is A?

Answer 16

Smooth Endoplasmic Reticulum

Question 17

What is B?

Answer 17

Nucleolus

Question 18

What is C?

Answer 18

Nucleus

Question 19

What is D?

Answer 19

Ribosomes

Question 20

What is E?

Answer 20

Golgi Apparatus

Question 21

What is F?

Answer 21

Rough Endoplasmic Reticulum

Question 22

What is G?

Answer 22

Centrioles

Question 23

What is H?

Answer 23

Lysosome

Question 24

What is I?

Answer 24

Cytosol

Question 25

What is J?

Answer 25

Mitochondrion