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

CH7 - HUMAN NUTRITION

Why does the energy needed by a human increase during the first ten years of life?

2014 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which feature is characteristic of both annelids and arthropods?

2014 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which features do animal cells share with plant cells?[Table_1]

2014 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an animal. Use the key to identify the animal.1. wings present ......................... go to 2    wings absent...

2014 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which pair of statements about a plant cell is correct? [Table_1: outer surface of the cell, position of sap vacuole]

2014 Summer

1

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a cell. Which structure is not present?

2014 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?

2014 Summer

1

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which structures contain a cell nucleus?Red Blood Cell | Root Hair Cell | Xylem VesselA | ✔ | ✔ | ✔B | ✔ | ✘ | ✘C | ✘ | ✔ | ✘D | ✘...

2014 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

The diagram shows a cell.Which type of cell does the diagram show?

2014 Summer

1

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Two identical cylinders, 40 mm long, are cut from a potato. One (W) is placed in water and the other (X) is placed in a concentrated sugar solution. W...

2014 Summer

1