QUIZ 2 -Term 2 - Plant Nutrition & Transport in plants
Quiz by Arjumand Hasan Nahdi
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- Q 1/20Score 0A plant with variegated leaves has the starch removed from its leaves by placing it in a dark cupboard for 48 hours. Black paper is then fixed on one leaf as shown and the plant is exposed to light. After 24 hours, which part of the leaf contains starch?29BDCA
20 questions
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- Q1A plant with variegated leaves has the starch removed from its leaves by placing it in a dark cupboard for 48 hours. Black paper is then fixed on one leaf as shown and the plant is exposed to light. After 24 hours, which part of the leaf contains starch?BDCA60s
- Q2Which row shows the effects of deficiencies in nitrate and magnesium ions on plant growth?CBAD60s
- Q3The lower end of a plant stem is placed in water coloured with red dye. After three hours, the stem is cut as shown in the diagram. Which labelled region is stained red?ACDB60s
- Q4By which process is water lost from a leaf?photosynthesisDiffusionactive transportosmosis60s
- Q5Two 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 hydrogen carbonate indicator solution be in each tube?ABCD60s
- Q6Which graph shows most clearly what will happen to the rate of transpiration as humidity increases?ACBD60s
- Q7The diagram shows a potted plant and the same plant 24 hours later. What causes the change in the appearance of the plant?Water uptake is equal to water loss.Water uptake is greater than water lossWater loss is greater than water uptakeWater moves from the leaves to the stem.60s
- Q8For the stomata of a leaf to open, the guard cells accumulate more potassium ions than the surrounding cells. Which row describes what happens?BADC60s
- Q9The diagram shows how the rate of photosynthesis varies with light intensity. The four curves show different conditions of temperature and carbon dioxide concentration. What limits the rate of photosynthesis at point P?ACBD60s
- Q10The diagram shows part of a leaf in cross-section. What shows the correct function of a numbered part?CDAB60s
- Q11The roots of plants take up nitrates from the soil. What are the nitrates used to make?Starchfatproteinglucose60s
- Q12The diagrams show stages in the passage of water through a plant. Which arrow shows water moving in the form of water vapour?ABDC60s
- Q13Curve X on the graph shows the effect of light intensity on the rate of photosynthesis. How have the conditions changed to produce curve Y?increased light intensitydecreased light intensityincreased concentration of carbon dioxidedecreased concentration of carbon dioxide60s
- Q14An experiment is set up to investigate gas exchange in aquatic plants. The hydrogen carbonate indicator solution is orange at the start. Which colour is it after three hours?blue-blackyellowpurpleorange60s
- Q15A plant shoot is placed in a solution of a dye. The dye moves up the stem. Under which conditions will the dye move slowest?ACDB60s
