Term 1 Topic 1

Question 1

Protein cloat around nuclear material of a virus

Answer 1

Capsid

Question 2

No cell

Answer 2

Acellular

Question 3

Obligate parasites

Answer 3

Parasite that can’t complete its life cycle without exploiting a host or without they become dormant

Question 4

Harbours parasites

Answer 4

Host

Question 5

Pathogenic

Answer 5

Organisms that causes diseases

Question 6

Nucleotides

Answer 6

Irregular shaped area in prokareotic cell that stores genetic material

Question 7

Virus advantages

Answer 7

. Can’t excrete, feed or respite
. If they can’t find host they become dormant
. They are pathogenic

Question 8

Flagellum

Answer 8

Whip like structure allowing bacteria to move in liquids

Question 9

3 types of bacteria

Answer 9

Parasitic
Saprophytic
Mutualistic

Question 10

Parasitic bacteria

Answer 10

Obtain food from living organisms

Question 11

Saprophytic bacteria

Answer 11

Obtain food from dead or decaying metter

Question 12

Mutualistic bacteria

Answer 12

Obtain food by forming a relationship with other organisms where both parties benefit

Question 13

Characteristics of bacteria

Answer 13

. Unicellular
. Larger than virus

Question 14

Binary fission

Answer 14

One single cell devide into 2 cells of identical DNA composition

Question 15

Protista

Answer 15

. Unicellular
. Found In water
. Reproduces both sexually and a sexually

Question 16

Phytoplankton

Answer 16

Very small plants floating on the surface of water

Question 17

Zooplankton

Answer 17

Small animals floating near or In water

Question 18

Organisms that can’t move on their own but move through outside sources

Answer 18

Sessile

Question 19

Without a true nucleus

Answer 19

Prokareotic

Question 20

Rhizopus

Answer 20

Bread moald

Question 21

Branches that anchor lower plants and fungi to a surface

Answer 21

Rhizoids

Question 22

Hyphae

Answer 22

Branches of rhizopus

Question 23

Thallus

Answer 23

Has no true roots (rhizopus)

Question 24

Types of hyphae

Answer 24

Runners
Rhizoid
Sporangiphore

Question 25

Autotrophic bacteria and fungus production

Answer 25

They produce their nutrients in form of photosynthesis and chemo synthesis ( producers)

Question 26

Role as decomposers

Answer 26

Decomposition bacteria and sepriphytic fungi and protists break dead Metter to proteins

Question 27

Water co² nh³ are released into air during decomposition

Answer 27

Elements c h o p s are recycled

Question 28

Role in nitrogen cycle

Answer 28

Soil Bacteria , nodule bacteria convert n gas to nitrates to make it accessible to plants

Question 29

Role

Answer 29

Nh3 is realesed by decomposition bacteria is processed by nitpicking bacteria into nitrites and eventually nitrates

Question 30

Role

Answer 30

Ammonia and nitrates are converted into n² by denitrifying bacteria

Question 31

Commensalism

Answer 31

Relationship where one organisms befenif without harming the other

Question 32

Parqsitism

Answer 32

Relationship where one species benefits while the other is harmed