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

What is defined as the chemical reactions that break down food molecules in cells to release energy?A excretionB movementC nutritionD respiration

2010 Summer

1

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an arthropod animal. Which features are characteristic of all arthropods?A. jointed legs and segmented bodyB. jointed legs and thora...

2010 Summer

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a section through a flower.Using the key, identify this flower.1. sepals present .................................................. ...

2010 Summer

3

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which row shows the most likely number of chloroplasts in three types of cell in a leaf?[Table_1]

2010 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows some liver cells as they appear under the microscope. How many cell walls can be seen?A 0 B 2 C 3 D 5

2010 Summer

1

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which row shows the structures present in plant and animal cells?[Table_1: | | cell wall | cytoplasm | nucleus | cell membrane ||--------|-----...

2010 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which structure is at a different level of organisation from the other three?A) kidneyB) liverC) neuroneD) testis

2010 Summer

2

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which diagram shows one organ only?[Image_1 with diagrams labeled A, B, C, D]

2010 Summer

2

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

On a dry, sunny day, how does water vapour move through the stomata of a leaf?A. into the leaf by diffusionB. into the leaf by osmosisC. out of the le...

2010 Summer

1

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

The diagram shows an experiment using a potato.Which shows the result of the experiment after 24 hours?ABCD

2010 Summer

1