Theory

CH15 - DRUGS

(a) Fig. 5.1 shows the concentration of alcohol in the blood of a person over a number of hours. During this time the person had several alcoholic dri...

2010 Summer

2

Theory

CH15 - DRUGS

(a) Table 2.1 shows some of the effects of alcohol and heroin.Complete Table 2.1 by writing YES or NO in each of the boxes.One box has been completed ...

2013 Summer

2

Theory

CH15 - DRUGS

(a) Fig. 3.1 shows a piece of apparatus used to measure reaction time. As soon as the bulb lights up, the student being tested presses the switch. The...

2014 Winter

2

Theory

CH15 - DRUGS

Alcohol is a widely used drug. It has serious effects on many parts of the body, including the nervous system.(a) (i) Name the organ in the body where...

2013 Winter

2

Theory

CH15 - DRUGS

(a) (i) Table 6.1 gives a comparison between the bronchiole of a non-smoker and a smoker. Use Fig. 6.1 to complete Table 6.1. An example has been done...

2017 Summer

1

Theory

CH15 - DRUGS

Drugs are substances that alter chemical reactions in the body.(a) The boxes in the middle show the name of the drug.The boxes on the left show the lo...

2017 Winter

2

Theory

CH15 - DRUGS

(a) Use Fig. 8.1 to answer these questions.(i) State the age group and gender that is most likely to smoke cigarettes every day..........................

2017 Summer

2

Theory

CH15 - DRUGS

The boxes on the left contain possible effects of using some drugs.The boxes on the right contain the names of some drugs.Draw straight lines to link ...

2017 Winter

3

Theory

CH15 - DRUGS

Alcohol is a drug.(a) Excessive consumption of alcohol increases the risk of having an accident.State two effects of alcohol on the body that increase...

2017 Winter

2

Theory

CH15 - DRUGS

(a) Drinking excessive alcohol, injecting heroin and smoking tobacco can all do serious harm to the body.Table 3.1 shows some of the risks of using th...

2017 Winter

3

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) Fig. 1.1 shows six species of reptiles.[Image_1: Fig. 1.1](i) Use the key to identify each species. Write the letter of each species (A–F) in th...

2020 Spring

6

Theory

CH11 - GAS EXCHANGE IN HUMANS

(a) A class of students measured their breathing rates during different activities. Average breathing rates for the class were calculated. Student A c...

2020 Spring

6

Theory

CH17 - INHERITANCE

(a) The length of hair in cats is controlled by a single gene.• The allele for short hair is dominant – $H$• The allele for long hair is recessi...

2020 Spring

1

Theory

CH16 - REPRODUCTION

(a) A study estimated the percentage effectiveness of different types of birth control. Table 4.1 shows examples of four different categories of birth...

2020 Spring

1

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

(a) Fig. 5.1 is a photograph of a giant panda. State the name of the vertebrate group that giant pandas belong to. ...................................

2020 Spring

2

Theory

CH8 - TRANSPORT IN PLANTS

(a) Complete the definition of the term transpiration. Transpiration is the loss of water vapour from plant leaves by ...................................

2020 Spring

3

Theory

CH7 - HUMAN NUTRITION

(a) Fig. 7.1 is a diagram of the alimentary canal and associated organs. The boxes on the left show the letters on Fig. 7.1.The boxes in the middle sh...

2020 Spring

2

Theory

CH21 - HUMAN INFLUENCES ON ECOSYSTEMS

(a) The box on the left contains the phrase ‘intensive livestock farming’.The boxes on the right contain some sentence endings.Draw two lines from...

2020 Spring

3

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows what happened in an experiment with plant seedlings. Which characteristic of living things made the seedlings grow towards the lig...

2020 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

A rat has the scientific name Rattus rattus.What do the two parts of this name refer to?

2020 Summer

2