AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/2H Higher Tier Biology Paper 2H Question Paper + Mark scheme [MERGED] June 2022


AQA

GCSE

COMBINED SCIENCE: TRILOGY

8464/B/2H

Higher Tier

Biology Paper 2H

Question Paper + Mark scheme [MERGED]

June 2022


*jun228464b2h01*

IB/M/Jun22/E10 8464/B/2H

For Examiner’s Use

Question Mark

1

2

3

4

5

6

TOTAL

Time allowed: 1 hour 15 minutes

Materials

For this paper you must have:

• a ruler

• a scientific calculator.

Instructions

• Use black ink or black ball-point pen.

• Pencil should only be used for drawing.

• Fill in the boxes at the top of this page.

• Answer all questions in the spaces provided.

• If you need extra space for your answer(s), use the lined pages at the end of

this book. Write the question number against your answer(s).

• Do all rough work in this book. Cross through any work you do not want to be

marked.

• In all calculations, show clearly how you work out your answer.

Information

• The maximum mark for this paper is 70.

• The marks for questions are shown in brackets.

• You are expected to use a calculator where appropriate.

• You are reminded of the need for good English and clear presentation in your answers.

Please write clearly in block capitals.

Centre number Candidate number

Surname

Forename(s)

Candidate signature

I declare this is my own work.

GCSE

COMBINED SCIENCE: TRILOGY

Higher Tier

Biology Paper 2H

H


2

*02*

IB/M/Jun22/8464/B/2H

0 1 This question is about the cycling of water and carbon in ecosystems.

0 1 . 1 Which reaction produces water?

[1 mark]

Tick () one box.

Aerobic respiration

Anaerobic respiration

Photosynthesis

The water cycle provides water for plants and animals on land before the water goes

into lakes and seas.

Figure 1 represents the water cycle.

Figure 1

Do not write

outside the

box


3

*03*

Turn over ►

IB/M/Jun22/8464/B/2H

Do not write

outside the

0 1 box . 2 Name the processes 1 to 5 shown on Figure 1.

[5 marks]

1

2

3

4

5

0 1 . 3 In 2007 the population of the world was 6 000 000 000

A study found that 4.5% of the population had severe water shortage.

Calculate how many people had severe water shortage.

Give your answer in standard form.

[3 marks]

Number of people (in standard form) =

Question 1 continues on the next page


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