There are twenty questions in this quiz. Select the correct answer from the given choices.
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Question 1 of 20
1. Question
1 point(s)The graph shows how dry mass of a plant changes with time.
Where on the graph is growth occurring?
CorrectIncorrect -
Question 2 of 20
2. Question
1 point(s)What does photosynthesis form in a leaf first?
CorrectIncorrect -
Question 3 of 20
3. Question
1 point(s)Why do some root cells have root hairs?
CorrectIncorrect -
Question 4 of 20
4. Question
1 point(s)Which process in plant cells uses chlorophyll?
CorrectIncorrect -
Question 5 of 20
5. Question
1 point(s)The diagram shows cells from the epidermis of a leaf.
Which parts are partially permeable?CorrectIncorrect -
Question 6 of 20
6. Question
1 point(s)The diagram shows the apparatus used in an investigation to measure the rate of oxygen production during photosynthesis.
The investigation was repeated several times and the average amount of gas collected was calculated.
Which two factors must be kept constant during this investigation?CorrectIncorrect -
Question 7 of 20
7. Question
1 point(s)The table shows the rate of water flow through a tree over a 12 hour period.
time of day rate of flow /
cm per hour7:00 100 9:00 120 11:00 140 13:00 250 15:00 300 17.00 260 19.00 180 What conclusion can be drawn from the table?
CorrectIncorrect -
Question 8 of 20
8. Question
1 point(s)The bar chart shows the average number of chloroplasts in each of three different types of leaf cell.
What are the three types of cell?1 2 3 A guard cell palisade mesophyll
cellspongy mesophyll
cellB palisade mesophyll
cellspongy mesophyll
cellguard cell C spongy mesophyll
cellguard cell palisade mesophyll
cellD spongy mesophyll
cellpalisade mesophyll
cellguard cell CorrectIncorrect -
Question 9 of 20
9. Question
1 point(s)The diagram shows a plant shoot and the same shoot six hours later.
Which change in environmental conditions could cause this change in the shoot?CorrectIncorrect -
Question 10 of 20
10. Question
1 point(s)A celery stalk is placed in a beaker of blue dye. Once the dye reaches the leaves, the stalk is taken out and cut in half.
Which diagram shows the appearance of the cut end of the stalk?
CorrectIncorrect -
Question 11 of 20
11. Question
1 point(s)Two similar leaves are set up in test-tubes as shown. One is exposed to light, while the other is kept in the dark.
After a few hours, which colour would the hydrogencarbonate indicator solution be in each tube?light dark A colourless blue-black B purple yellow C red blue D yellow purple CorrectIncorrect -
Question 12 of 20
12. Question
1 point(s)Four test-tubes are set up as shown.
Which test-tube contains the most carbon dioxide after one hour?
CorrectIncorrect -
Question 13 of 20
13. Question
1 point(s)The graph shows daily carbon dioxide uptake and transpiration by the plant Agave americana.
The plant is adapted to live in very dry conditions.
What can be concluded from this graph?CorrectIncorrect -
Question 14 of 20
14. Question
1 point(s)In plants, which ions are used to make amino acids?
CorrectIncorrect -
Question 15 of 20
15. Question
1 point(s)The diagram shows a cross-section through a leaf.
What is the cell labelled X?CorrectIncorrect -
Question 16 of 20
16. Question
1 point(s)The nutrient ions present in four different soils are shown.
Which soil would be best for growing healthy, green plants?nitrate ions magnesium ions A absent absent B absent present C present absent D present present CorrectIncorrect -
Question 17 of 20
17. Question
1 point(s)The diagrams show the structure of four different cells from the leaf of a dicotyledonous plant.
Which cell is a guard cell?
CorrectIncorrect -
Question 18 of 20
18. Question
1 point(s)Which mineral ion is absorbed by plant roots and used in the production of all amino acids?
CorrectIncorrect -
Question 19 of 20
19. Question
1 point(s)Which is the equation for photosynthesis?
CorrectIncorrect -
Question 20 of 20
20. Question
1 point(s)Which part of a plant root hair is partially permeable?
CorrectIncorrect
