Cell Structure 1.1 Flashcards
Cells are the living units of:
A. Animalsonly
B. Plants only
C. Simpleorganismsonly
D. All organisms
D. All organisms
Multicellular organisms are all made of:
A. Many cells
B. One cell
C. Animalcells
D. Plant cells
A. Many cells
Which structural feature is found in a plant cell and not in an animal cell?
A. Nucleus
B. Cell wall
C. Cellmembrane
D. Cytoplasm
B. Cell wall
The diagram below represents a genetically engineered bacterial cell.
The structure labelled X is a
A. chromosome
B. plasmid
C. ribosome
D. nucleus
B. plasmid
The function of mitochondria is:
A. Controlscellactivities
B. Site of photosynthesis
C. Siteofaerobicrespiration
D. Controls entry and exit of materials
C. Site of aerobic respiration
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
B. Show up structures more clearly
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. Control cell activities
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
B. Cell wall
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. Provide food
The following diagrams represent three different cells.
A. P and R only
B. P and Q only
C. P only
D. R only
B. P and Q only
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
D. K, L and M
All microbes are
A. Disease causing organisms
B. Different kinds of bacteria
C. Unicellular organisms
D. Found living in water
C. Unicellular organisms
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
C. 1024
Which of the following is not a microbe?
A. Yeast cell
B. Cheek cell
C. Amoeba
D. Bacterium
B. Cheek cell
Which of the following is added to milk to make yoghurt?
A. Yeast
B. Rennet
C. Bacteria
D. Enzymes
C. Bacteria
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
D. 3 and 4
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
C. Poor
- 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
C. sugar into acid
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
B. Bread and beer
Which of the following is an example of a biofuel?
A. Coal
B. Oil
C. Diesel
D. Bioethanol
D. Bioethanol
Amoeba is what type of microorganism?
A. Virus
B. Fungal cell
C. Plankton
D. Bacterial Cell
D. Bacterial Cell
