B3 KO Page 1

Question 1

Communicable

disease

Answer 1

one that can be spread between

individuals

Question 2

Non

communicable

Answer 2

one that cannot be spread between

individuals

Question 3

Pathogen

Answer 3

micro-organism that causes disease

Question 4

Bacteria

Answer 4

Prokaryotic cell that can cause liness

by releasing toxins

Question 5

Virus

Answer 5

Non-living pathogen that invades

body cells, eventually bursting them much smaller than bacteria.

Question 6

Fungus

Answer 6

eukaryotic organisms that do not
photosynthesise so in some ways are
more closely linked to animals than
plants.

Question 7

protist

Answer 7

Microscopic,unicelular eukaryotic
organisms.The parasitic diseases that
they cause can be life threatening.

Question 8

vector

Answer 8

organism that carries the disease e.g.
the mosquito carrying the malaria
protist

Question 9

Good hygiene

Answer 9

A way of reducing or preventing the

spread of a pathogen

Question 10

Antiseptics

Answer 10

chemicals that kill micro-organisms

Question 11

Non-specific

defense system

Answer 11

Parts of the body that try to prevent

pathogen entry

Question 12

Immune system

Answer 12

How the body tries to destroy
pathogens that have got past the
non-specific defenses

Question 13

White blood

cells

Answer 13

Cells of the immune system
phagocytes and lymphocytes which
have different functions

Question 14

What are some examples
of pathogens that cause
communicable diseases?

Answer 14

Bacteria,viruses,fungus and

protozoa

Question 15

What are some examples
of non-communicable
diseases?

Answer 15

Arthritis and heart attacks

Question 16

How can pathogens be

spread?

Answer 16

Direct contact,by water or by air

Question 17

How do bacteria and

viruses differ in making us ill

Answer 17

Bacteria produce toxins and

viruses invade cells, eventually destroying them

Question 18

What are the symptoms of
the3viral diseases you
need to know?

Answer 18

Measies-fever and red skin rash
HIV-flu-like liness potentially
leading to AIDS
TMV-discolouration of leaves

Question 19

What are the symptoms of
the 2 bacterial diseases
you need to know about?

Answer 19

Salmonella-fever,abdominal
cramps,vomiting,diacea
Gonorrhoea-thick yellow or
green discharge from genitas
and pain when urinating

Question 20

What is rose black spot?

Answer 20

A fungal disease where purple or black spots develop on leaves,which often tum yellow
and drop early.It affects the growth of the plant as photosynthesis is reduced

Question 21

How can malaria be

prevented?

Answer 21

Preventing the vectors,
mosquitos,from breeding and
using mosquito nets to avoid
being bitten.

Question 22

How can pathogen

spread be reduced?

Answer 22

Hand washing, wearing a mark isolation, destruction of vectors.
being hygienic, antiseptics