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

Which characteristic do all living organisms show?

2017 Summer

3

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows some animal cells, as seen under the microscope. What will be present at X?

2017 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an animal. What is the animal?1. animal with a vertebral column ........................................ vertebrateanimal with an ex...

2017 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a section through a root.What are the levels of organisation of the labelled structures?[Table_1]

2017 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Which characteristics are correct for both osmosis and diffusion? [Table_1]

2017 Summer

2

MCQ

CH4 - BIOLOGICAL MOLECULES

The table shows the results of some food tests.Which row shows a food containing both protein and starch?[Table_1]

2017 Summer

2

MCQ

CH5 - ENZYMES

The diagrams show an experiment on enzyme activity. The test-tubes contain hydrogen peroxide and the enzyme catalase. In which test-tube is the enzy...

2017 Summer

2

MCQ

CH12 - RESPIRATION

Four test-tubes are set up as shown. Which test-tube contains the most carbon dioxide after one hour?

2017 Summer

2

MCQ

CH6 - PLANT NUTRITION

The diagram shows a cross-section through a leaf.Which tissue is the cell labelled X part of?

2017 Summer

2

MCQ

CH6 - PLANT NUTRITION

In plants, which ions are used to make amino acids?

2017 Summer

2