MCQ

CH4 - CELL MEMBRANES AND TRANSPORT

The diagram shows how nicotine is transported from the blood plasma into a cell using a type of cotransporter mechanism.In the phloem tissue, there is...

2024 Summer

4

MCQ

CH4 - CELL MEMBRANES AND TRANSPORT

Which process always takes place without the involvement of energy from ATP?

2024 Summer

3

MCQ

CH4 - CELL MEMBRANES AND TRANSPORT

What is the correct range of measurements for the width of the cell surface membrane?

2024 Spring

3

MCQ

CH4 - CELL MEMBRANES AND TRANSPORT

The diagram shows the entry of molecule X into a cell. Which row shows a property of molecule X and the effect of the concentration of ATP in the cyto...

2024 Summer

3

MCQ

CH4 - CELL MEMBRANES AND TRANSPORT

A student observed the effect of two different concentrations of salt solution on blood cells.The student added each concentration of salt solution to...

2024 Summer

4

MCQ

CH4 - CELL MEMBRANES AND TRANSPORT

Where in the cell surface membrane are the carbohydrate chains of glycoproteins and glycolipids mainly located? [Table_1]

2024 Spring

3

MCQ

CH4 - CELL MEMBRANES AND TRANSPORT

The electron micrograph shows some human blood cells.Which row correctly shows the net movement of water by osmosis and the water potential of the cyt...

2024 Summer

4

MCQ

CH4 - CELL MEMBRANES AND TRANSPORT

The diagram shows part of a cell surface membrane. Which row correctly identifies the molecules labelled 1 and 2?

2024 Winter

3

MCQ

CH4 - CELL MEMBRANES AND TRANSPORT

Sodium ions can enter cells across the cell surface membrane.Which methods could be used by sodium ions to cross a cell surface membrane and enter a c...

2024 Spring

4

MCQ

CH4 - CELL MEMBRANES AND TRANSPORT

Which statement correctly describes facilitated diffusion?

2024 Summer

4

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