Download 2.2 Tissues, Organs and Organ Systems

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2.2 Cells, Tissues, Organs and Organ Systems
1. Diagram 1 shows a cell from a leaf.
Diagram 1
(a)
How is the leaf cell specialised to carry out photosynthesis?
Tick ( ) one box.
It has a permanent vacuole.
It has many chloroplasts.
It has cytoplasm.
It has many mitochondria.
(1)
(b)
Diagram 2 shows another type of plant cell.
Diagram 2
Give two ways in which this cell is different from an animal cell.
1 ..................................................................................................................................
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2 ..................................................................................................................................
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(Total 3 marks)
2. (a) Put a tick ( ) in the correct boxes in the table below to show which of the parts given
are present in the cells and organisms listed.
CYTOPLASM
NUCLEUS
CELL WALL
GENES
Leaf mesophyll cell
Sperm
(2)
(b)
(i)
What is the main job of a leaf mesophyll cell?
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..................................................................................................................(1)
(ii)
Explain one way in which the structure of the leaf mesophyll cell helps it to carry out
its job.
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(Total 5 marks)
3.
Define the term tissue.
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4.
Complete the diagram below by adding labels.
(4)
5. Match each organ of the digestive system to its function.
Stomach
Produces bile
Small intestine
Absorption of water from undigested
food
Liver
Produces acid to kill bacteria and some
digestion is carried out
Large intestine
Absorption of the products of digestion
(4)
6. The leaf is an example of an organ in a plant.
(a) Explain why the leaf is called an organ.
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..................................................................................................................(1)
(b) What is the function of the xylem tissue in a plant?
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..................................................................................................................(1)
[Total 20 marks]