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Biology > Cell Structure 1.1 > Flashcards

Cell Structure 1.1 Flashcards

1
Q

Cells are the living units of:
A. Animalsonly
B. Plants only
C. Simpleorganismsonly
D. All organisms

A

D. All organisms

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2
Q

Multicellular organisms are all made of:
A. Many cells
B. One cell
C. Animalcells
D. Plant cells

A

A. Many cells

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3
Q

Which structural feature is found in a plant cell and not in an animal cell?
A. Nucleus
B. Cell wall
C. Cellmembrane
D. Cytoplasm

A

B. Cell wall

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4
Q

The diagram below represents a genetically engineered bacterial cell.
The structure labelled X is a
A. chromosome
B. plasmid
C. ribosome
D. nucleus

A

B. plasmid

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5
Q

The function of mitochondria is:
A. Controlscellactivities
B. Site of photosynthesis
C. Siteofaerobicrespiration
D. Controls entry and exit of materials

A

C. Site of aerobic respiration

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6
Q

Stains are used when preparing cells for the microscope to:
A. Make them appear larger
B. Show up structures more clearly
C. Make them brighter
D. Stick them to the slide

A

B. Show up structures more clearly

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7
Q

The diagram below shows a cell.
The function of structure X is to
A. Control cell activities
B. Keep the cell turgid
C. Control entry and exit of material
D. Release energy from glucose

A

A. Control cell activities

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8
Q

The diagram below shows parts of a plant cell.
Which part of the cell composed of cellulose?
A. Vacuole
B. Cell wall
C. Mitochondria
D. Nucleus

A

B. Cell wall

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9
Q

Plant cells with many chloroplasts would be found in arts of a plant which:
A. Providefood
B. Provide storage
C. Givesupport
D. Transport materials

A

A. Provide food

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10
Q

The following diagrams represent three different cells.

A. P and R only
B. P and Q only
C. P only
D. R only

A

B. P and Q only

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11
Q

The diagram represents a typical plant cell.
Which of the labelled parts could also be found in a typical fungal cell?

A. L and M
B. K and M
C. K and L
D. K, L and M

A

D. K, L and M

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12
Q

All microbes are
A. Disease causing organisms
B. Different kinds of bacteria
C. Unicellular organisms
D. Found living in water

A

C. Unicellular organisms

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13
Q

A bacterium reproduces every 30mins.
How many cells could arise from one bacterium cell after 6 hours?

A. 12
B. 180
C. 1024
B. 4096

A

C. 1024

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14
Q

Which of the following is not a microbe?

A. Yeast cell
B. Cheek cell
C. Amoeba
D. Bacterium

A

B. Cheek cell

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15
Q

Which of the following is added to milk to make yoghurt?

A. Yeast
B. Rennet
C. Bacteria
D. Enzymes

A

C. Bacteria

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16
Q

The table below shows the temperature ranges at which different types of yeast can grow.

Type of yeast | Temperature range •C
1 | 14-18
2 | 12-30
3 | 18-35
4 | 8-15

Which two types of yeast will NOT grow at 16•C?

A. 1 and 3
B. 1 and 4
C. 2 and 3
D. 3 and 4

A

D. 3 and 4

17
Q

Resazurin dye can be used to test the quality of milk samples.

The table below shows the colour changes for resazurin associated with a range of milk qualities.

Colour of milk sample
tested with resazurin - Milk quality
Remains purple - Good
Becomes mauve - Satisfactory
Becomes pink - Poor
Becomes white - Unfit for consumption

When tested with resazurin, a sample of milk changed from purple to pink. The milk quality was: Purp–>pink

A. Satisfactory
B. Unit for consumption
C. Poor
D. Good

A

C. Poor

18
Q
  1. The thickening of milk to make yoghurt is caused by bacteria converting
    A. Protein into acid
    B. protein into sugar
    C. sugar into acid
    D. sugar into protein
A

C. sugar into acid

19
Q

Which box below shows two products that are both made using yeast?

A. Yoghurt and cheese
B. Bread and beer
C. Bread and yoghurt
D. Yoghurt and beer

A

B. Bread and beer

20
Q

Which of the following is an example of a biofuel?

A. Coal
B. Oil
C. Diesel
D. Bioethanol

A

D. Bioethanol

21
Q

Amoeba is what type of microorganism?

A. Virus
B. Fungal cell
C. Plankton
D. Bacterial Cell

A

D. Bacterial Cell

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