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Exam (elaborations)

AQA EXAM PAST PAPER QUESTIONS A LEVEL BIOLOGY - SURFACE AREA TO VOLUME

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This document provides 27 past exam questions on the topic of surface area to volume ratio.

Institution
AQA
Course
Unit 3 - Organisms exchange substances with their environment

Content preview

AQA
A-Level
BIOLOGY
3.3 | Organisms Excange Substances
3.1 | Surface Area to Volume Ratio

Time allowed
49 minutes

QUESTION PAPER




Score Percentage

/41 %
4.1 | CELL BIOLOGY | QUESTION PAPER 1 1

, 1. (a) The oxygen dissociation curve for haemoglobin shifts to the right during vigorous exercise.
Explain the advantage of this shift.

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(3)




(b) Weddell seals are diving mammals that live in cold environments. A Weddell seal is
shown in Figure 1.

Figure 1




By Jerzystrzelecki (own work) [CC BY 3.0] via Wikimedia Commons

(i) Explain how the body shape of a Weddell seal is an adaptation to living in a
cold environment.

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(2)
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Examinator
AQA
Subject
A Level Biology
Unit
Unit 3 - Organisms exchange substances with their environment
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Uploaded on
April 13, 2022
Number of pages
11
Written in
2021/2022
Type
Exam (elaborations)
Contains
Answers

Subjects

  • a levels
  • past paper questions
  • past exam questions
  • aqa
  • biology
  • organisms exchange substances with their environment
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