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

CH13 - EXCRETION IN HUMANS

Which process removes the waste products of metabolism from the body?

2009 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

According to the binomial system, how should a human be named?

2009 Summer

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which leaf comes from a monocotyledonous plant?

2009 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a palisade cell from a leaf.Which labelled structure produces oxygen?

2009 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which structure contains genes?

2009 Summer

3

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a cross section through two guard cells of a leaf. Which labelled structures would also be found in an animal cell?

2009 Summer

3

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows some cells from the lining of the trachea (windpipe) in the respiratory tract. What is the function of the structures labelled X?

2009 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which structures contain a cell nucleus? [Table_1]

2009 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

Which diagram shows the appearance of a plant cell several minutes after it has been placed in a concentrated solution of sugar?

2009 Summer

2

MCQ

CH3 - MOVEMENT IN AND OUT OF CELLS

The dots represent molecules of a gas in four tubes at the beginning of an experiment. In which tube will more molecules move from X to Y than in the...

2009 Summer

2