Theory

CH11 - GAS EXCHANGE IN HUMANS

Gaseous exchange takes place while air flows in and out of the lungs.(a) State three ways in which inspired air is different from expired air.1. ........

2009 Winter

2

Theory

CH11 - GAS EXCHANGE IN HUMANS

Table 4.1 shows the percentage of each of the gases present in the atmosphere and in expired air.[Table_1](a) Identify gas X.............................

2012 Winter

2

Theory

CH11 - GAS EXCHANGE IN HUMANS

Table 4.1 shows the percentage of each of the gases present in the atmosphere and in expired air.\[ \text{Table 4.1} \]\[ \begin{array}{|c|c|c|} \hlin...

2012 Winter

1

Theory

CH11 - GAS EXCHANGE IN HUMANS

Fig. 2.1 shows a section through the human chest (thorax).(a) Name the structures labelled M, N and O.M .................................................

2011 Winter

2

Theory

CH11 - GAS EXCHANGE IN HUMANS

(a) Name the structures labelled M, N and O. M .........................................................................................................

2011 Winter

1

Theory

CH11 - GAS EXCHANGE IN HUMANS

(a) The air which is inhaled is different from that which is exhaled.Complete the following sentences about these differences.(i) Inhaled air has more...

2010 Summer

3

Theory

CH11 - GAS EXCHANGE IN HUMANS

Inspired air has a different composition to expired air.Complete Table 2.1 to show how inspired air is different from expired air.Table 2.1| substance...

2013 Winter

1

Theory

CH11 - GAS EXCHANGE IN HUMANS

(a) Complete the word equation for aerobic respiration.glucose + oxygen ⟶ ...................... + ...................... + energy(b) The rate of me...

2013 Summer

2

Theory

CH11 - GAS EXCHANGE IN HUMANS

(a) On Fig. 3.1 use label lines to identify:a bronchiole;the larynx;the trachea.(b) Fig. 3.2 shows:a group of alveoli and the capillaries surrounding ...

2015 Summer

1

Theory

CH11 - GAS EXCHANGE IN HUMANS

(a) Fig. 5.1 shows the human breathing system.Name the structures labelled J, K, L and M.Write your answers on Fig. 5.1. [4](b) Fig. 5.2 shows four se...

2016 Winter

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Worms come to the soil surface after heavy rain. Which characteristic of living organisms does this show?

2013 Summer

1

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which animal is not an arthropod?

2013 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a sea lion. Which labelled feature shows that this animal is a mammal?

2013 Summer

3

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an animal found in fresh water. Use the key to identify the animal.1 body divided into segments ............... go to 2 body not d...

2013 Summer

3

MCQ

CH8 - TRANSPORT IN PLANTS

Which statement about xylem is correct?

2013 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a bacterial cell.How is this cell different from a typical animal cell?

2013 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a plant cell. In which labelled part of the cell is sugar made?

2013 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which of these tissues is not part of the organ with which it is paired?[Table_1]

2013 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a specialised cell. For which function is the cell adapted?

2013 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

The diagram represents two liquids, separated by a membrane through which osmosis can occur. What movement of molecules will occur?

2013 Summer

2