Theory

CH10 - DISEASES AND IMMUNITY

(a) Table 4.1 shows some of the top ten causes of death in parts of the world during 2010.[Table_1]cause of death | percentage of the deaths of adult ...

2013 Winter

2

Theory

CH10 - DISEASES AND IMMUNITY

(a) (i) Suggest why there are clear areas around some of the paper discs after 24 hours..................................................................

2019 Summer

2

Theory

CH10 - DISEASES AND IMMUNITY

(a) HIV is a pathogen that can cause AIDS.Table 3.1 shows the adult population size of a country and the estimated number of people infected with HIV/...

2020 Winter

1

Theory

CH10 - DISEASES AND IMMUNITY

(a) (i) State \textit{one} type of blood cell that is involved in the defence against disease............................................................

2018 Winter

2

Theory

CH10 - DISEASES AND IMMUNITY

(a) Cholera is an example of a transmissible disease.Define the term transmissible disease...............................................................

2019 Summer

4

Theory

CH10 - DISEASES AND IMMUNITY

Transmissible diseases are caused by pathogens.(a) Cholera is a transmissible disease that causes diarrhoea.State the type of organism that causes cho...

2021 Winter

2

Theory

CH10 - DISEASES AND IMMUNITY

(a) (i) State the type of pathogen that can be treated with antibiotics..................................................................................

2021 Winter

2

MCQ

CH10 - DISEASES AND IMMUNITY

The graph shows the effect of an antibiotic treatment on bacterial populations in the blood. What conclusion can be drawn from the graph?

2014 Summer

2

MCQ

CH10 - DISEASES AND IMMUNITY

Some organisms cause transmissible diseases.What is defined as a disease-causing organism?

2018 Winter

1

MCQ

CH10 - DISEASES AND IMMUNITY

Which is a mechanical barrier to pathogens?

2017 Winter

4

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

(a) Identify the structure in the cell that contains the genetic material.Label this structure on Fig. 1.1 by stating its name in the space provided a...

2022 Spring

2

Theory

CH16 - REPRODUCTION

(a) Fig. 2.1 is a diagram of the male reproductive system in humans. The boxes on the left show the letters in Fig. 2.1 that identify parts of the mal...

2022 Spring

3

Theory

CH9 - TRANSPORT IN ANIMALS

(a) Fig. 3.1 is a diagram of a section through a human heart. (i) Draw the letter X on Fig. 3.1 to show the position of the septum. [1](ii) State the ...

2022 Spring

3

Theory

CH12 - RESPIRATION

(a) A student investigated aerobic respiration in an arthropod.Fig. 4.1 shows the apparatus the student used.The potassium hydroxide solution removed ...

2022 Spring

4

Theory

CH6 - PLANT NUTRITION

(a) Fig. 5.1 is a drawing of part of a cross-section of a leaf. (i) Complete Table 5.1 by stating the names of the parts labelled in Fig. 5.1.Table 5....

2022 Spring

2

Theory

CH5 - ENZYMES

(a) A researcher investigated the effect of temperature on two different biological washing powders, A and B. Two identical pieces of clothing were s...

2022 Spring

1

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

(a) Scientists recorded the percentage of endangered species in each of the five groups of vertebrates, in 2000 and 2011. Fig. 7.1 shows the results....

2022 Spring

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

All living organisms release energy from nutrient molecules within their cells. What is the name of this characteristic?

2022 Summer

1

MCQ

Biological Classification System and Evolutionary Relationships

The horse, Equus ferus, and the donkey, Equus asinus, are able to interbreed. The offspring they produce is called a mule. Which statement is correct...

2022 Summer

2

MCQ

Animal Kingdom - Arthropods and Vertebrates

The diagram shows an organism. Which type of arthropod is this organism?

2022 Summer

4