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

3

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

8

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

3

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

4

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

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram illustrates some of the processes carried out by living organisms.Which characteristic of living organisms is represented by arrow X?

2015 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

What is a correct way of naming a species, according to the binomial system?

2015 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows four arthropods. How many of these arthropods are insects?

2015 Summer

3

MCQ

CH4 - BIOLOGICAL MOLECULES

The key can be used to distinguish between four different chemical substances.  Use the key to identify which substance could be a protein. &nb...

2015 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows two guard cells from a leaf. Which labelled part would also be found in liver cells?

2015 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows part of a leaf in cross-section. Structures X and Y are both part of the same

2015 Summer

5

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a plant cell. Which features show that it is a plant cell?

2015 Summer

1

MCQ

CH8 - TRANSPORT IN PLANTS

In a section through a plant, a student found a group of long, microscopic structures. The structures lacked end walls, cytoplasm and nuclei.Which ide...

2015 Summer

3

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a specialised cell cut in half. What does this diagram indicate about the structure of this cell?

2015 Summer

2

MCQ

CH6 - PLANT NUTRITION

How do carbon dioxide and oxygen move in and out of a mesophyll cell?

2015 Summer

3