MCQ

CH1 - CELL STRUCTURE

A student used a light microscope to observe a blood smear on a microscope slide.An eyepiece graticule was used to measure the diameter of a white blo...

2024 Spring

4

MCQ

CH1 - CELL STRUCTURE

A prokaryotic cell which is 1\(\mu m\) in diameter is magnified 50 000 times in an electron micrograph.What is the diameter of the cell in the electro...

2024 Summer

3

MCQ

CH1 - CELL STRUCTURE

The diagram shows a transverse section through a blood capillary.What is the magnification of the drawing?

2024 Winter

3

MCQ

CH1 - CELL STRUCTURE

The diagram shows a stage micrometer scale viewed with an eyepiece graticule, using a magnification of ×200. Using the same magnification, a chloro...

2024 Summer

4

MCQ

CH1 - CELL STRUCTURE

The diagram shows a plant cell with some labelled structures. Which labelled structures are bound by a double membrane?

2024 Summer

4

MCQ

CH1 - CELL STRUCTURE

Which statement explains why it is necessary to use an electron microscope to see the cristae of a mitochondrion?

2024 Spring

4

MCQ

CH1 - CELL STRUCTURE

Which statement explains why lymphocytes with no nucleoli die?

2024 Winter

2

MCQ

CH1 - CELL STRUCTURE

Which range of cell diameters is typical for prokaryotic cells?

2024 Summer

4

MCQ

CH1 - CELL STRUCTURE

The electron micrograph shows a type of blood cell. What can be concluded from the electron micrograph?

2024 Summer

4

MCQ

CH1 - CELL STRUCTURE

Some stains can be used to identify cell structures in living cells.A dilute solution of one stain causes the whole cell to appear blue.The blue colou...

2024 Spring

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