2nd yr

Question 1

what are the main types of organism

Answer 1

1. animals
2. plants
3. viruses
4. bacteria
5. fungi
6. Protoctists

Question 2

what features do animals have

Answer 2

1. multi-cellular organisms
2. they do not have chloroplast or cell walls
3. they have nervous coordination
4. they store carbohydrates as glycogen (sugar)

Question 3

what features do plants have

Answer 3

1. multi-cellular organisms
2. contain chloroplast and cell walls
3. cell walls made of cellulose
4. store carbohydrates as sucrose or starch

Question 4

what features do viruses

Answer 4

1. no cellular structure
2. smaller than bacteria
3. they do not carry photosynthesis
4. only can reproduce inside another organisms
5. they can infect any organism

Question 5

what features do bacteria

Answer 5

1. single-celled organism
2. have a cell wall and plasmids
3. lack nucleus
4. some carry out photosynthesis though most feed of other organisms

Question 6

what features do fungi have

Answer 6

1. do not carry out photosynthesis
2. body is organised into a mycelium
3. contain many nuclei
4. walls made of chitin
5. feed using digestive enzymes
   6 . store carbohydrates of glycogen

Question 7

what features do protoctists

Answer 7

1. single-celled organisms
2. have chloroplasts
3. some have animal like features
4. some have plant like features

Question 8

what is a pathogen

Answer 8

a micro-organism that can cause diseases

1. can be fungi, bacteria, viruses and protoctists

Question 9

what features do prokaryotic organism have

Answer 9

1. lack a nucleus
2. no mitochondria
3. have ribosomes
4. have cytoplasm

Question 10

what features do eukaryotic organisms have

Answer 10

1. have a nucleus
2. have mitochondria
3. lack plasmids

Question 11

what is a disease caused by a protocist

Answer 11

disease; malaria
protocist; plasmodia