OCR AS LEVEL BIOLOGY B (Advancing Biology) H022/01 | Foundations of Biology (Exam 2022)

This document contains exam done on June 2022 AS Level Biology B (Advancing Biology) H022/01 Foundations of biology Question Paper. Download to score A.


SECTION A

You should spend a maximum of 25 minutes on this section.

Write your answer for each question in the box provided.

Answer all the questions.

1 Which option is a short-term effect of a pollutant on the respiratory system?

 A Asthma attack

 B Chronic bronchitis

 C Emphysema

 D Lung cancer

Your answer

[1]

2 Herceptin is a drug used in immunotherapy to treat breast cancer.

Which of the statements about treating cancer with Herceptin is correct?

 A Chemicals bind to oestrogen to prevent transcription in cancer cells.

 B Ionising radiation binds to cancer cells.

 C Specialised antibodies are attracted to cancer cells.

 D Toxic chemicals destroy cancer cells.

Your answer

[1]

3 Which of the statements about a false-negative screening test for breast cancer is correct?

 A A follow-up biopsy confirms that no cancer is present in the breast tissue.

 B A mammogram looks abnormal even though no cancer is present.

 C A mammogram looks normal even though cancer is present.

 D The person looking at the mammograms records a positive result by mistake.

Your answer

[1]

3

© OCR 2022 Turn over

4 When the number of people in a population that are immune to a disease reaches a herd

immunity threshold (HIT) value then the disease is no longer present in that population.

The table shows data for four diseases, A to D, in a population of 50 000 people.

Disease Number of people with

immunity to the disease

Herd immunity threshold (%)

A 44 000 92–94

B 38 000 83–86

C 39 000 80–96

D 41 000 75–86

Which of the diseases is no longer present in this population?

Your answer

[1]

5 The diphtheria vaccine contains a bacterial toxin that results in the production of antibodies when

injected into the body.

Which type of immunity is provided by the diphtheria vaccine?

 A Artificial active immunity

 B Artificial passive immunity

 C Natural active immunity

 D Natural passive immunity

Your answer

[1]

4

© OCR 2022

6 The pie chart shows the percentage number of deaths in a population from respiratory diseases

and from all other causes during a flu epidemic.

4.6%

22.9%

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Version LATEST 2022
Release date 2022-07-19
Included files PDF
Authors Qwivy.com
Pages 24
Language English
Tags OCR AS LEVEL BIOLOGY B Advancing Biology H022/01 Foundations of Biology OCR OCR BIOLOGY BIOLOGY AS BIOLOGY
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