Theory

CH14 - CO-ORDINATION AND RESPONSE

The graph shows the rates of sweat production and urine production at different environmental temperatures.Which statement is correct?A. As the temper...

2012 Winter

1

Theory

CH14 - CO-ORDINATION AND RESPONSE

What is true for a runner, at the end of a marathon race, in a hot climate?A. sweating and vasoconstrictionB. sweating and vasodilationC. vasoconstric...

2009 Summer

2

Theory

CH14 - CO-ORDINATION AND RESPONSE

A man injures his arm in an accident. Afterwards, he can feel objects touching his hand, but he cannot move his hand away from them.What could cause t...

2012 Winter

1

Theory

CH14 - CO-ORDINATION AND RESPONSE

The diagram shows some blood vessels near the surface of the skin. If vasoconstriction occurs at X, what happens to the blood flow at Y and Z? [Ta...

2010 Winter

4

Theory

CH14 - CO-ORDINATION AND RESPONSE

When a person is frightened, adrenalin is released by the adrenal glands. What are the effects of the adrenalin?[Table_1]

2009 Summer

1

Theory

CH14 - CO-ORDINATION AND RESPONSE

(a) Define the term sensitivity..........................................................................................................................

2010 Summer

2

Theory

CH14 - CO-ORDINATION AND RESPONSE

The diagram shows a neurone carrying an impulse. Which row describes the type of neurone and the direction of impulse? [Table_1]

2010 Winter

3

Theory

CH14 - CO-ORDINATION AND RESPONSE

(a) Define the term sensitivity..........................................................................................................................

2011 Winter

3

Theory

CH14 - CO-ORDINATION AND RESPONSE

The diagram shows some bones and muscles in a leg of a human. What happens to muscle Y and to the leg at joint Z, when muscle X contracts?[Table_1]mus...

2010 Winter

3

Theory

CH14 - CO-ORDINATION AND RESPONSE

The diagram shows a cell. What type of cell is shown?A ciliated cellB motor neuroneC relay neuroneD sensory neurone

2011 Summer

2

Theory

CH14 - CO-ORDINATION AND RESPONSE

(a) Fig. 1.1 is a diagram showing the position of some organs in the human body. Some of the organs shown in Fig. 1.1 are endocrine glands. Table 1.1...

2021 Spring

2

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) Fig. 2.1 is a diagram of a prokaryotic cell. Fig. 2.1 (i) State one visible feature in Fig. 2.1 that identifies this cell as a prokaryotic cel...

2021 Spring

1

Theory

CH9 - TRANSPORT IN ANIMALS

(a) The activity of the heart can be monitored using different methods.Fig. 3.1 shows two ECG traces. One trace was recorded when the person was at re...

2021 Spring

3

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

(a) A leaf can be described as an organ.Define the term organ............................................................................................

2021 Spring

2

Theory

CH10 - DISEASES AND IMMUNITY

(a) Measles is a transmissible disease.The percentage of the population that were vaccinated against measles in a country was determined.The number of...

2021 Spring

1

Theory

Food Webs

(a) Fig. 6.1 shows a food web. (i) State the number of trophic levels in the food web in Fig. 6.1. [1] (ii) State the name of one organism that fe...

2021 Spring

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

What is a characteristic of all living organisms?

2021 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The table shows a section of DNA taken from four different organisms.[Table_1]Which two organisms are the most distantly related to each other?

2021 Summer

1

MCQ

Animal Kingdom - Arthropods and Vertebrates

Scientists discover a new species of animal. It has a segmented body with two pairs of legs on each segment. To which group of animals does this new s...

2021 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a single-celled organism called *Euglena*. Which labelled structures would also be found in an animal cell?

2021 Summer

1