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 are the appropriate units for measuring diameters of alveoli, diameters of white blood cells and the width of cell walls?[Table_1]

2015 Summer

1

MCQ

CH1 - CELL STRUCTURE

The diagram shows a high-power drawing of a bacterium. Which three components are found in both this bacterium and an animal cell?

2015 Summer

1

MCQ

CH1 - CELL STRUCTURE

The diagram shows a stage micrometer scale on which the small divisions are 0.1 mm. It is viewed through an eyepiece containing a graticule. The st...

2015 Summer

1

MCQ

CH1 - CELL STRUCTURE

Which structures are found in typical eukaryotic cells?1. 70S ribosomes2. 80S ribosomes3. linear DNA (chromosomes)4. circular DNA

2015 Summer

1

MCQ

CH1 - CELL STRUCTURE

What is the function of the nucleolus?

2015 Summer

1

MCQ

CH1 - CELL STRUCTURE

The electronmicrograph shows a cell. What is the actual diameter of the nucleus?

2015 Summer

1

MCQ

CH2 - BIOLOGICAL MOLECULES

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

2015 Summer

1

MCQ

CH2 - BIOLOGICAL MOLECULES

The diagrams show different types of bond found in biological molecules.Which combination of bonds could not be found in a protein with a tertiary str...

2015 Summer

1

MCQ

CH2 - BIOLOGICAL MOLECULES

Which row shows the correct match between the descriptions of biological molecules and where they are found?1 a linear polymer of 1,4 linked β-glucos...

2015 Summer

2

MCQ

CH2 - BIOLOGICAL MOLECULES

Which is the correct description for the structure of amylose and cellulose? [Table_1]

2015 Summer

1