Subsection 4.2. Movement into and out of cells for Biology, A Level - revisedeck

4.2. Movement into and out of cells

A subsection of Biology, 9700, through 4. Cell membranes and transport

Listing 10 of 284 questions

A student weighed a cylinder of potato and then put it into a test-tube containing a salt solution. The potato cylinder was removed from the salt solution after one hour. It was blotted dry and then reweighed. The student recorded that the potato had lost mass. Which row shows the correct explanation for the results the student collected?

9700_w22_qp_13

MCQ

2022

Paper 1, Variant 3

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What would be changed if mitochondrial activity was inhibited by a metabolic poison acting on cells in the phloem tissue?

9700_w22_qp_13

MCQ

2022

Paper 1, Variant 3

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Plant cells were left for 50 minutes in three different sugar solutions, 10%, 5% and 1%. The water potential in the cytoplasm of the three cells was the same at the start of the experiment. The diagrams show the appearance of the cells after 50 minutes, using a light microscope. cell P cell Q cell R Which conclusion is correct?

9700_w23_qp_12

MCQ

2023

Paper 1, Variant 2

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When the ice on the surface of a pond melts, which changes benefit the ecosystem in the pond?

9700_s13_qp_13

MCQ

2013

Paper 1, Variant 3

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Questions Discovered

284