Theory

CH14 - CO-ORDINATION AND RESPONSE

The graph shows the rates of sweat production and urine production at different environmental temperatures.Which statement is correct?A. As the temper...

2012 Winter

1

Theory

CH14 - CO-ORDINATION AND RESPONSE

What is true for a runner, at the end of a marathon race, in a hot climate?A. sweating and vasoconstrictionB. sweating and vasodilationC. vasoconstric...

2009 Summer

2

Theory

CH14 - CO-ORDINATION AND RESPONSE

A man injures his arm in an accident. Afterwards, he can feel objects touching his hand, but he cannot move his hand away from them.What could cause t...

2012 Winter

1

Theory

CH14 - CO-ORDINATION AND RESPONSE

The diagram shows some blood vessels near the surface of the skin. If vasoconstriction occurs at X, what happens to the blood flow at Y and Z? [Ta...

2010 Winter

4

Theory

CH14 - CO-ORDINATION AND RESPONSE

When a person is frightened, adrenalin is released by the adrenal glands. What are the effects of the adrenalin?[Table_1]

2009 Summer

1

Theory

CH14 - CO-ORDINATION AND RESPONSE

(a) Define the term sensitivity..........................................................................................................................

2010 Summer

2

Theory

CH14 - CO-ORDINATION AND RESPONSE

The diagram shows a neurone carrying an impulse. Which row describes the type of neurone and the direction of impulse? [Table_1]

2010 Winter

3

Theory

CH14 - CO-ORDINATION AND RESPONSE

(a) Define the term sensitivity..........................................................................................................................

2011 Winter

3

Theory

CH14 - CO-ORDINATION AND RESPONSE

The diagram shows some bones and muscles in a leg of a human. What happens to muscle Y and to the leg at joint Z, when muscle X contracts?[Table_1]mus...

2010 Winter

3

Theory

CH14 - CO-ORDINATION AND RESPONSE

The diagram shows a cell. What type of cell is shown?A ciliated cellB motor neuroneC relay neuroneD sensory neurone

2011 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which organisms carry out respiration, growth, movement and excretion?

2018 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an animal whose scientific name is _Falco peregrinus_. To which species does it belong?

2018 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

What kind of skin do amphibians have?

2018 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a flowering plant.Use the key to identify the plant.

2018 Summer

1

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

In which part of the cell does aerobic respiration occur?

2018 Summer

1

MCQ

CH8 - TRANSPORT IN PLANTS

Why do some root cells have root hairs?

2018 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Which words correctly complete the paragraph? Diffusion may be defined as the net movement of particles from a region of their ......1...... concentr...

2018 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Which part of a plant root hair is partially permeable?

2018 Summer

2

MCQ

CH4 - BIOLOGICAL MOLECULES

The table shows the results of food tests carried out on a fruit.[Table_1]What did the fruit contain?

2018 Summer

1

MCQ

CH5 - ENZYMES

An experiment was carried out to investigate the effect of pH on enzyme action. The graph shows the results. What are the labels for the x-axis and...

2018 Summer

2