Theory

CH15 - DRUGS

What are the effects of smoking on the gas exchange system?[Table_1]Table 1:mucus in the airwayschance of lung infectionAdecreaseddecreasedBdecreasedi...

2010 Winter

2

Theory

CH15 - DRUGS

Where do the breakdown of drugs and the storage of urine occur? [Table_1]

2010 Winter

1

Theory

CH15 - DRUGS

In which part of the body does the breakdown of drugs occur?A. brainB. heartC. kidneysD. liver

2011 Summer

1

Theory

CH15 - DRUGS

(a) Explain what is meant by the term antibiotic.........................................................................................................

2010 Summer

1

Theory

CH15 - DRUGS

In which organ is alcohol broken down?A. brainB. kidneyC. liverD. stomach

2009 Winter

3

Theory

CH15 - DRUGS

The human immunodeficiency virus (HIV) infects white blood cells. The virus is reproduced inside these white blood cells. (a) Describe what may happe...

2010 Winter

1

Theory

CH15 - DRUGS

(a) Explain what is meant by the term antibiotic.(b) Explain why(i) only a few bacteria grew in dish B compared with dish A,(ii) more bacteria grew in...

2010 Summer

3

Theory

CH15 - DRUGS

Where do the breakdown of drugs and the storage of urine occur?[Table_1]A | breakdown of drugs: kidney | storage of urine: musclesB | breakdown ...

2010 Winter

2

Theory

CH15 - DRUGS

The diagram represents some human organs and their blood vessels. Immediately after taking an alcoholic drink, how would the levels of alcohol comp...

2012 Winter

2

Theory

CH15 - DRUGS

In which organ is alcohol broken down? A. brain B. kidney C. liver D. stomach

2009 Winter

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

A living organism, X, can make its own food, get rid of toxic materials and detect and respond to stimuli. What other four processes must organism X ...

2012 Summer

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which group of organisms has the following features?• three pairs of jointed legs• three-part segmented body• one pair of antennaeA arachnidsB c...

2012 Summer

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The table shows some characteristics of four different vertebrates.Which vertebrate is a reptile?[Table_1] Table-1: | | fins | legs | scales | hair ...

2012 Summer

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a fish. Use the key to identify the fish.1. black stripe across the eye ................................. go to 2    ...

2012 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a student's drawing of guard cells. Which label is not correct? [Image_1: Diagram with labels] A. chloroplast B. cytoplasm C. sto...

2012 Summer

1

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a liver cell. Which structure is found in a palisade cell that is not present in this liver cell?A cell membraneB chloroplastC cytop...

2012 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which diagram shows a plant cell? [Image_1: A - Neuron, B - Plant Cell, C - Sperm Cell, D - White Blood Cell]

2012 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which statement about cells or tissues, is correct? A Cells in the respiratory tract are long and thin. B Muscle cells are biconcave. C Red blood c...

2012 Summer

3

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Why do some root cells have root hairs?A for the maintenance of the temperature of the cell sapB to increase the surface area of the cellsC to increas...

2012 Summer

1

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

Which structures must be present in a cell for osmosis to take place?A. cell (sap) vacuole and cell wallB. cell wall and cell membraneC. chloroplast a...

2012 Summer

2