CELLS PRACTICE TEST : YEAR 1
1. The diagrams below show a human ovum (egg) and a human sperm.
(a) What are eggs and sperm?
Tick the correct box.
animals cells organs
1 mark
(b) Which part does a sperm use to swim towards an egg?
......
1 mark
(c) Give the name of the male reproductive organ where sperm are made.
......
1 mark
(d) The diagram below shows a sperm joining with an egg.
What is this process called?
Tick the correct box.
fertilisation growth
nutrition respiration
1 mark
Maximum 4 marks
2. The diagram shows some of the organs of the human body.
(a) The heart pumps blood around the body.
(i) What useful gas does the blood take in from the air in the lungs?
...... 1 mark
(ii) What useful substance does the blood take in from the intestine?
...... 1 mark
(b) Blood vessels carry blood to organs of the body.
Sometimes a blood clot forms in a blood vessel as shown below.
a blood vessel not to scale
A blood clot may stop an organ working properly.
Give one reason for this.
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......
1 mark
(c) Rahma cut his foot on a piece of glass. A scab formed over the cut.
Give one way a scab protects the body.
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......
1 mark
maximum 4 marks
3. The picture shows part of the human body. Three organs are labelled X, Y and Z.
Write the names of the organs X, Y and Z.
X is a ......
Y is the ......
Z is a ......
3 marks
4. The diagram shows a plant cell.
(a) (i) The cell is from a leaf. Give the name of the part which is present in this leaf cell but not present in root cells.
......
1 mark
(ii) Give two parts, labelled on the diagram, which are not present in animal cells.
1...... 2......
2 marks
(b) The five parts of the cell labelled on the diagram have different functions. In the table below, write the name of the correct part of the cell next to its function. One has been done for you.
4 marks
Maximum 7 marks
5. The drawings show some plant and animal cells. Each cell has a different function.
not to scale
(a) Give the name of cell C.
...... …
1 mark
(b) The main functions of two of the cells are listed below.
Write the letter of the correct cell next to each function.
(i) photosynthesis ...... ………
(ii) movement of mucus ...... …. 2 marks
(c) (i) Give the name of the organ where cell E is produced.
...... …
1 mark
(ii) Give the name of the part of a plant where cell B is found.
...... …
1 mark
6. The diagram below shows a cell from the inside of a human cheek.
(a) On the diagram, label parts A, B and C.
3 marks
(b) Plant cells have some parts which animal cells do not have. Name two of these parts.
1......
2......
2 marks
7. The diagrams show two plant cells.
not to scale
(a) In which part of a plant would these cells be found?
cell X …………………………1 mark cell Y …………………………
1 mark
(b) Give the name of part B.
……………………………………
1 mark
(c) (i) Give the letter which labels the nucleus.
……………
1 mark
(ii) What is the function of the nucleus?
…………………………………………………………………………………
…………………………………………………………………………………
1 mark
(d) (i) How can you tell from the diagram that photosynthesis cannot take place
in cellY?
…………………………………………………………………………………
…………………………………………………………………………………1 mark
(ii) Which process takes place in both cell X and cell Y?
Tick the correct box.
egestion
fertilisation
pollination
respiration
1 mark
8. The diagram shows a plant cell. Some parts of the cell are named.
(a) Which two named parts are present in plant cells but not animal cells?
1......
2......
2 marks
(b) Which named part contains the genetic information?
......
1 mark
(c) Which named part absorbs light energy for photosynthesis?
...... 1 mark
(d) Name the part labelled X on the drawing.
......
1 mark
(e) where in a plant would you find a cell like the one in the diagram?
Tick the correct box.
1 mark
Maximum 6 marks
9. The diagram below shows a single-cell organism called Chlamydomonas. It lives in pondwater.
Use the information in the diagram to help you answer the questions below.
(a) Give two features of Chlamydomonas which show that it is more like a plant cell than an animal cell.
1......
2......
2 marks
(b) Chlamydomonas makes a sugar called glucose.
(i) Give the name of the process in which Chlamydomonas makes glucose.
...... 1 mark
(ii) Chlamydomonas produces starch grains from glucose.
Suggest what will happen to the number of starch grains in the cell if Chlamydomonas is kept in the dark.
......
1 mark
(c) The diagram below shows another single-cell organism called Amoeba.
It also lives in pond water. Amoeba traps a Chlamydomonas and digests it.
not to scale
Starch is a carbohydrate. Amoeba's digestive enzymes break down the starch in the Chlamydomonas.
Suggest what substance is produced from the starch and what it is used for.
......
......
......
2 marks
Maximum 6 marks
9