Theory

CH13 - EXCRETION IN HUMANS

(a) Why do most waste products of metabolism have to be removed from the body?...........................................................................

2009 Summer

2

Theory

CH13 - EXCRETION IN HUMANS

(a) (i) State what is meant by the term excretion........................................................................................................

2012 Winter

2

Theory

CH13 - EXCRETION IN HUMANS

(a) (i) State what is meant by the term excretion........................................................................................................

2012 Winter

2

Theory

CH13 - EXCRETION IN HUMANS

(a) The kidney is an excretory organ. Name two other excretory organs in humans and in each case state a substance that the organ excretes.1. organ......

2010 Winter

2

Theory

CH13 - EXCRETION IN HUMANS

(a) Define the term excretion............................................................................................................................

2013 Summer

3

Theory

CH13 - EXCRETION IN HUMANS

(a) (i) State three uses of water in the human body.1 ...................................................................................................

2013 Summer

3

Theory

CH13 - EXCRETION IN HUMANS

Fig. 6.1 shows a human kidney and the ureter attached to it.(a) Two other tubes are attached to the kidney, but are not shown on Fig. 6.1.Name these t...

2015 Winter

3

Theory

CH13 - EXCRETION IN HUMANS

Fig. 3.1 shows the excretory system in a human male.(a) Table 3.1 shows five functions of parts of the excretory system. Complete the table by:naming ...

2015 Summer

3

Theory

CH13 - EXCRETION IN HUMANS

Water is an important part of a balanced diet.(a) State three other components of a balanced diet.1 .....................................................

2017 Winter

1

Theory

CH13 - EXCRETION IN HUMANS

(a) (i) State the name of the organ that produces urea...................................................................................................

2017 Winter

1

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