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

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which characteristic is shown when a person smells a gas in the air?A excretionB movementC respirationD sensitivity

2011 Summer

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows four arthropods.[Image_1: Four illustrations labeled Pediculus ×20, Anopheles ×10, Dermacentor ×7, Carcinus ×0.5]How many of the...

2011 Summer

1

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

An organism has dry scales covering its body. To which vertebrate group does it belong? A: amphibian B: fish C: mammal D: reptile

2011 Summer

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an animal. Use the key to identify the animal.1 has legs .......................... go to 2 has no legs ...................... go ...

2011 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows four specialised cells.Which feature is not common to all of these cells?A. cell membraneB. cytoplasmC. diploid number of chromosome...

2011 Summer

1

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a plant cell.Which labelled structures are found in plant cells but not in animal cells?A P and QB Q and RC R and SD S and T

2011 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows another plant cell.Which feature shows that it is a palisade cell?A a large nucleusB a large vacuoleC a thick cell wallD many chloro...

2011 Summer

2

Theory

CH6 - PLANT NUTRITION

Which structures are adapted for supporting a plant?A. phloem tissuesB. root hair cellsC. stomataD. xylem vessels

2011 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which describes the structure and function of a red blood cell? [Table_1]

2011 Summer

2

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

Boiling potatoes destroys their cell membranes. A peeled, boiled potato strip is placed in a concentrated solution of salts.What takes place?[Table_1]...

2011 Summer

2