MCQ

Body Defence: Physical, Physiological and Cellular

The body has several defence mechanisms to protect against disease.Which defence mechanism is a chemical barrier?

2022 Summer

3

MCQ

Body Defence: Physical, Physiological and Cellular

The body has several methods of avoiding infection by pathogens, including specialised cells, mechanical barriers and chemical barriers. Which row ha...

2022 Summer

2

MCQ

Body Defence: Physical, Physiological and Cellular

What is a chemical barrier to pathogens?

2020 Summer

1

MCQ

Body Defence: Physical, Physiological and Cellular

Which are both chemical barriers to the transmission of pathogens?

2017 Winter

1

MCQ

Body Defence: Physical, Physiological and Cellular

The body's first line of defence can prevent some pathogens from entering the body.Which is a first line of defence?

2018 Winter

1

Theory

Body Defence: Physical, Physiological and Cellular

(a) Fig. 4.1 shows a mosquito feeding on human blood. (i) Mosquitoes can carry transmissible diseases such as malaria. Define the term transm...

2018 Summer

4

Theory

Body Defence: Physical, Physiological and Cellular

(a) Complete the description of the immune system, using the words from the list. Each word may be used once, more than once or not at all.  a...

2022 Summer

2

Theory

Body Defence: Physical, Physiological and Cellular

(a) Eating food contaminated by bacteria can cause illness. This type of illness is called food poisoning. Fig. 3.1 shows the number of cases of foo...

2018 Summer

2

Theory

Body Defence: Physical, Physiological and Cellular

The body has defences against pathogens. (a) (i) Define the term pathogens [1] (ii) State two ways a pathogen can be transmitted.  [2] (iii) ...

2016 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