MCQ

CH7 - TRANSPORT IN PLANTS

Which row correctly identifies sinks for sucrose transported by mass flow in plants? [Table_1]

2024 Summer

3

MCQ

CH7 - TRANSPORT IN PLANTS

The diagram shows a transverse section through a transport tissue in a plant.Which row correctly identifies cell 1 and cell 2?

2024 Summer

3

MCQ

CH7 - TRANSPORT IN PLANTS

The electron micrograph shows a longitudinal section of part of the stem of a plant. What is the name of the structure labelled X?

2024 Summer

5

MCQ

CH7 - TRANSPORT IN PLANTS

Which statement correctly describes the movement of solutes in the symplast pathway?

2024 Summer

3

MCQ

CH7 - TRANSPORT IN PLANTS

Which substance makes xylem vessel walls impermeable to water?

2024 Summer

5

MCQ

CH7 - TRANSPORT IN PLANTS

Which statement helps to explain why water molecules are forced to move through xylem vessel elements as a consequence of transpiration?

2024 Summer

4

MCQ

CH7 - TRANSPORT IN PLANTS

Which statement correctly identifies the movement of sucrose and amino acids in plant vascular tissue?

2024 Winter

3

MCQ

CH7 - TRANSPORT IN PLANTS

Xylem vessel elements are specialised cells that are adapted for the transport of water.Which statement correctly matches an adaptation of a xylem ves...

2024 Winter

3

MCQ

CH7 - TRANSPORT IN PLANTS

Which statement correctly describes the association between a companion cell and its sieve tube cell?

2024 Spring

3

MCQ

CH7 - TRANSPORT IN PLANTS

A maize seedling was grown in soil that contained lanthanum ions labelled with a chemical that fluoresces under ultraviolet light. The diagram represe...

2024 Spring

3

MCQ

CH1 - CELL STRUCTURE

What best describes an electron microscope in comparison with a light microscope?

2014 Summer

3

MCQ

CH1 - CELL STRUCTURE

Where would cisternae be found in a cell?1. endoplasmic reticulum2. Golgi apparatus3. mitochondrion

2014 Summer

3

MCQ

CH1 - CELL STRUCTURE

Which adaptation would increase active transport of carbohydrates from a plant cell?

2014 Summer

3

MCQ

CH1 - CELL STRUCTURE

What is the order of size of cell structures? [Table_1]

2014 Summer

3

MCQ

CH1 - CELL STRUCTURE

The diagram shows some similarities between chloroplasts, mitochondria, and typical prokaryotes.Which row is correct?

2014 Summer

2

MCQ

CH2 - BIOLOGICAL MOLECULES

A student carried out four tests for biological molecules on a solution. The results are shown in the table.[Table_1]Which three molecules may be pres...

2014 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

The molecule shown is a polymer of reducing sugars. Which procedures could be carried out in order to test for the presence of the reducing sugars in ...

2014 Summer

4

MCQ

CH2 - BIOLOGICAL MOLECULES

Which molecules show the structure of $\alpha$-glucose and of $\beta$-glucose?

2014 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

In unsaturated lipid molecules, where are double bonds located?

2014 Summer

2

MCQ

CH2 - BIOLOGICAL MOLECULES

The diagram shows the structure of four amino acids in solution. Which of these four amino acids have an overall charge?

2014 Summer

3