Theory

CH12 - RESPIRATION

Which substances are formed during anaerobic respiration in animals and yeast?[Table_1]| | animals | yeast ...

2009 Summer

2

Theory

CH12 - RESPIRATION

What is produced by anaerobic respiration in a muscle?[Table_1]A | lactic acid: ✓ | carbon dioxide: ✓B | lactic acid: ✓ | carbon dioxide: ✗C...

2012 Winter

1

Theory

CH12 - RESPIRATION

Four test-tubes were set up as shown in the diagram and left in full sunlight. After several hours, which test-tube would contain the most dissolved c...

2012 Winter

2

Theory

CH12 - RESPIRATION

Which statement about respiration is not correct?A. All living cells respire.B. Heat is always produced.C. Plants respire in the light and in the dark...

2011 Summer

2

Theory

CH12 - RESPIRATION

Yeast, warm water and substance Z were put into a test-tube. The apparatus was then set up as shown. After a while, the lime water began to go cloudy....

2010 Winter

3

Theory

CH12 - RESPIRATION

(a) State, using chemical symbols, the equation for aerobic respiration. ................................................................................

2011 Winter

4

Theory

CH12 - RESPIRATION

Fig. 2.1 shows a person sitting in a room. A thermometer shows the temperature of the room. (a) Give three uses of energy in the body of the person...

2011 Summer

3

Theory

CH12 - RESPIRATION

The table shows some of the features of respiration.Which row is correct for anaerobic respiration?[Table_1]| | energy remaining in produ...

2010 Summer

2

Theory

CH12 - RESPIRATION

Four words are shown below.alcohol anaerobic sugar yeastThese words can be used in the spaces P, Q, R and S to complete the sentence below.�...

2010 Summer

1

Theory

CH12 - RESPIRATION

Which process depends on energy from respiration?A. diffusionB. osmosisC. peristalsisD. photosynthesis

2012 Summer

2

Theory

CH11 - GAS EXCHANGE IN HUMANS

(a) Fig. 1.1 is a diagram of the human gas exchange system. (i) Identify the structures labelled A, B and C in Fig. 1.1.A ...............................

2020 Spring

2

Theory

CH9 - TRANSPORT IN ANIMALS

(a) Fig. 2.1 shows the transfer of materials between blood and tissues.(i) Complete Table 2.1 by:• stating the names of the fluids• writing yes if...

2020 Spring

2

Theory

Role of Adrenaline

(a) One of the characteristics of living organisms is sensitivity. Define the term sensitivity. (2) (b) State the names of two sense organs. (1) (c...

2020 Spring

2

Theory

CH7 - HUMAN NUTRITION

(a) Describe the similarities and differences between marasmus and kwashiorkor.similarities .............................................................

2020 Spring

1

Theory

CH16 - REPRODUCTION

(a) Mitosis is a type of nuclear division.Fig. 5.1 is a series of photomicrographs showing a cell dividing by mitosis.(i) State the change that has oc...

2020 Spring

2

Theory

CH21 - HUMAN INFLUENCES ON ECOSYSTEMS

(a) Atlantic cod, Gadus morhua, is a type of fish that is an important resource for commercial fishing.Fig. 6.1 shows the estimated mass of Atlantic c...

2020 Spring

2

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

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows two guard cells.Which label shows the cell wall?

2020 Summer

2

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagrams show different levels of organisation in a plant. Which sequence shows the levels of organisation in order from smallest to largest?

2020 Summer

1