Theory

CH4 - BIOLOGICAL MOLECULES

Fig. 2.1 is a diagram of the alimentary canal.(a) Table 2.1 shows some of the processes that occur in the alimentary canal.Use the letters in Fig. 2.1...

2017 Summer

3

Theory

CH4 - BIOLOGICAL MOLECULES

Nervous coordination uses specialised cells called neurones.Fig. 2.1 is a diagram showing three neurones.(a) State the name of the type of neurone lab...

2019 Winter

2

Theory

CH4 - BIOLOGICAL MOLECULES

(a) (i) The box on the left shows the beginning of a sentence.The boxes on the right show some sentence endings.Draw two straight lines from ‘Excret...

2020 Winter

2

Theory

CH4 - BIOLOGICAL MOLECULES

One type of nuclear division produces genetically identical cells.(a) State the name and one role of the type of nuclear division that produces geneti...

2022 Summer

2

Theory

CH4 - BIOLOGICAL MOLECULES

(a) Large molecules are made from smaller molecules.State the name of the \textbf{two} small molecules that make fats and oils.1 ........................

2022 Winter

2

MCQ

CH4 - BIOLOGICAL MOLECULES

The diagram shows two food molecules before and after they have been digested by enzymes. What identifies the products of fat digestion?

2013 Winter

3

MCQ

CH4 - BIOLOGICAL MOLECULES

Four foods were tested forfat (using ethanol),protein (using the biuret test),reducing sugar (using Benedict’s solution),starch (using iodine soluti...

2009 Summer

2

MCQ

CH4 - BIOLOGICAL MOLECULES

Four foods were tested for each of the following nutrients: fat (using ethanol);protein (using the biuret test);reducing sugar (using Benedict’s sol...

2013 Winter

1

MCQ

CH4 - BIOLOGICAL MOLECULES

A student set up a test-tube containing starch, water and amylase. How could the student test whether the amylase had digested all the starch?

2013 Summer

2

MCQ

CH4 - BIOLOGICAL MOLECULES

A human cell contains a length of DNA that carries the code for making which substance?

2013 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Some yeast, sugar, and water are mixed in a test-tube. The diagrams show the test-tube at the start and after one hour. Which process causes this chan...

2016 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which name is given to a group of individuals that can reproduce to produce fertile offspring?

2016 Summer

3

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Use the key to identify the animal shown in the diagram.

2016 Summer

3

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which row matches the cell membrane and cell wall of a palisade cell to their functions? [Table_1]

2016 Summer

7

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

In a plant, what is formed by a group of xylem vessels?

2016 Summer

3

MCQ

CH8 - TRANSPORT IN PLANTS

What are the functions of xylem vessels?[Table_1] showing the functions: absorption, conduction, photosynthesis, support with options A, B, C, D.

2016 Summer

3

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Active transport is the movement of

2016 Summer

4

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

The diagram shows an experiment to demonstrate the movement of molecules. After one hour, the water in the beaker turned red.What is the most likely r...

2016 Summer

3

MCQ

CH4 - BIOLOGICAL MOLECULES

Small molecules are used as the basic units in the synthesis of large food molecules. Which statement is correct?

2016 Summer

6

MCQ

CH5 - ENZYMES

Which graph shows the effect of temperature on the activity of an enzyme?

2016 Summer

5