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Q 1/20
Score 0
1. What is not an example of active transport?
60
absorption of water by root hairs
uptake of ions by root hairs
reabsorption of glucose by kidney tubules
uptake of glucose by villi
Q 2/20
Score 0
2. What causes the diffusion of oxygen into a plant cell?
60
photosynthesis
movement of molecules
osmosis
active transport
20 questions
Q.
1. What is not an example of active transport?
1
60 sec
Q.
2. What causes the diffusion of oxygen into a plant cell?
2
60 sec
Q.
3. The diagram shows a palisade mesophyll cell from a green leaf. In which labelled part does photosynthesis occur and where is starch stored?
3
60 sec
Q.
4. Which organelles are present in large numbers in cells that produce insulin? [ Hint - Insulin is a protein ]
4
60 sec
Q.
5. The diagram shows an experiment on osmosis.
Which arrow shows the direction of the net movement of water at the start of the experiment?
5
60 sec
Q.
6. Active transport is the movement of
6
60 sec
Q.
7. What is the correct order of increasing size of the following structures, from smallest to largest?
7
60 sec
Q.
8. Which statement describes how young plants are supported?
8
60 sec
Q.
9. The diagram shows a spongy mesophyll cell from a green leaf.Which labelled structures are not found in animal cells?
9
60 sec
Q.
10. The diagram shows a plant cell which has lost water to its surroundings by osmosis.
Which part is the partially permeable membrane?
10
60 sec
Q.
11. What would lead to a decrease in diffusion rate into a cell?
11
60 sec
Q.
12. Which diagram represents a typical plant cell?
12
60 sec
Q.
13. The diagram shows a liver cell.Which features are present in this cell and also in most plant cells?
13
60 sec
Q.
14. Which structure is present in a root hair cell but not in a liver cell?
14
60 sec
Q.
15. Which description of the heart is correct?
15
60 sec
Q.
16. The diagrams show how a cell appears under the microscope at the start of an experiment and after it has been placed in a dilute solution of salts for 5 minutes. Which statement explains what happens?
16
60 sec
Q.
17. At which level of organisation is a root?
17
60 sec
Q.
18. Xylem is an example of
18
60 sec
Q.
19. The diagram shows a specialised cell cut in half. What does this diagram indicate about the structure of this cell?
19
60 sec
Q.
20. Red blood cells were placed in a dilute solution.
Movement of water across the cell membrane caused a change in their appearance.
What explains this movement?
