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GCSE biology > 1a + b - Kingdoms, viruses and pathogens > Flashcards

1a + b - Kingdoms, viruses and pathogens Flashcards

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1
Q

Are protocists prokaryotic or eukaryotic?

A

Eukaryote

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2
Q

What are the 5 kingdoms?

A 
Animals 
Plants 
Protocists 
Fungi
Bacteria
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3
Q

Are protocists multicellular or unicellular?

A

Can be both but mostly unicellular

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4
Q

Can protocists move?

A

Yes

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5
Q

How do protocists obtain nutrition?

A

Outside their body

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6
Q

Do protocists have chloroplasts?

A

Some do

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7
Q

Give 3 examples of protocists

A

AMOEBA
CHLORELLA
PLASMODIUM (pathogen causes malaria)

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8
Q

do amoeba and chlorella have features of plants or animals?

A

AMOEBA- animal

CHLORELLA- plant

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9
Q

Which fungi are unicellular?

A

Yeasts

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10
Q

How do fungi obtain nutrition?

A

Saprotrophic nutrition

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11
Q

What is saprotrophic nutrition?

A

When digestive enzymes are released OUTSIDE THE BODY into food material to break it down. Then the new molecules are reabsorbed

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12
Q

Are fungi multicellular or unicellular?

A

Both

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13
Q

Are fungi prokaryotes or eukaryotes?

A

Eukaryotes

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14
Q

Do fungi have chloroplasts?

A

No

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15
Q

How are fungi arranged?

A

In a mycelium structure made from thread like hyphae which contain many NUCELEI

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16
Q

How do fungi store carbohydrate?

A

Glycogen

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17
Q

What is a fungi’s cell wall made of?

A

Chitin

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18
Q

Give 2 examples of fungi

A

Yeast

Mucor

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19
Q

Can fungi be pathogens?

A

Yes

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20
Q

Can protocists be pathogens?

A

Yes

21
Q

Are plants and animals multicellular or unicellular?

A

Multicellular

22
Q

Are plants and animals prokaryotes or eukaryotes?

A

Eukaryotes

23
Q

How do plants and animals store carbohydrate?

A

Plants: starch
Animals: glycogen

24
Q

Are Bacteria prokaryotes or eukaryotes?

A

Prokaryotes

25
Q

Can Bacteria be pathogens?

A

Yes

26
Q

Are Bacteria multicellular or unicellular?

A

Unicellular

27
Q

Name the 6 features of a Bacteria

A 
Cell wall
Cell membrane
Cytoplasm
Plasmids
Circular chromosome of dna 
Slime capsule
28
Q

Do Bacteria have chloroplasts?

A

Some do

29
Q

How do Bacteria obtain nutrition?

A

Feeding off of other living or dead organisms

30
Q

Give 2 examples of bacteria and explain what they are

A

LACTOBACILLUS BULGARICUS: rod shaped bacteria used to make yoghurt from milk.

PNEUMOCOCCUS: spherical bacterium that is a pathogen for pneumonia

31
Q

What can be a pathogen?

A

Fungi
Bacteria
Protocists
Viruses

32
Q

Order these biggest to smallest:

Virus, bacteria , animal cells

A

Animal cell
Bacteria
Virus

33
Q

What’s the difference between prokaryotes and eukaryotes

A

Eukaryotes have a membrane bound nucleus, but prokaryotes don’t

34
Q

All viruses are….?

A

Pathogens

35
Q

Give 3 examples of viruses and explain what they are

A

INFLUENZA: causes flu
HIV: causes AIDS
TOBACCO MOSAIC: destroys chloroplasts in a plant and stops photosynthesis. Causes discolouration in leaves.

36
Q

Are viruses living or not?

A

Non living

37
Q

Viruses are parasitic, what does this mean?

A

Use living organisms to reproduce

38
Q

Can viruses reproduce in non living cells?

A

No but can survive outside a host for a long time

39
Q

Name the features of a virus?

A

No cellular structure
Protein coat
1 type of nucleic acid (dna or rna)

40
Q

Do viruses have a nucleus?

A

No

41
Q

How do viruses reproduce?

A

By infecting host cells and replicating themselves to form their DNA into virus particles. Once the host cells burst, the virus is spread.

42
Q

Do protocists have a nucleus?

A

Yes

43
Q

Does bacteria have a nucleus?

A

No

44
Q

How do Bacteria store dna

A

Circular chromosome of dna

Plasmids

45
Q

What are the plasmids in bacteria?

A

Closed circles of dna in the cytoplasm that can move from one bacterium to the other.

46
Q

Do Bacteria have cell walls?

A

Yes

47
Q

Which pathogen causes malaria?

A

Plasmodium

48
Q

Do protocists have a nucleus?

A

Yes

49
Q

Do protocists have cell walls?

A

Some do

GCSE biology (16 decks)

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