Mary Jones, Richard Fosbery, Dennis Taylor and, Jennifer Gregory Solutions for Chapter: Photosynthesis, Exercise 7: Questions

Author:Mary Jones, Richard Fosbery, Dennis Taylor & Jennifer Gregory

Mary Jones Biology Solutions for Exercise - Mary Jones, Richard Fosbery, Dennis Taylor and, Jennifer Gregory Solutions for Chapter: Photosynthesis, Exercise 7: Questions

Attempt the practice questions on Chapter 13: Photosynthesis, Exercise 7: Questions with hints and solutions to strengthen your understanding. Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access solutions are prepared by Experienced Embibe Experts.

Questions from Mary Jones, Richard Fosbery, Dennis Taylor and, Jennifer Gregory Solutions for Chapter: Photosynthesis, Exercise 7: Questions with Hints & Solutions

HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 13 - Photosynthesis>Questions>Q 9

In separate experiments, an actively photosynthesising plant was supplied with one of two labelled reactants:

  • water containing the 18O isotope of oxygen.
  • carbon dioxide containing the 17O isotope of oxygen.

In which products of photosynthesis would these isotopes be found?

MEDIUM
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 13 - Photosynthesis>Questions>Q 10

Explain why the Calvin cycle stops running when there is no light and the TP (triose phosphate) is used up.

HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 13 - Photosynthesis>Questions>Q 11

The following graph shows the effect on the levels of GP (glycerate 3-phosphate) and TP (triose phosphate) in a chloroplast when it is exposed to light, dark and then light again. Describe and explain these results.

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