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

2

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

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

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

What kind of skin do amphibians have?

2018 Summer

3

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

2

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