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3.2 Coordination and control – the endocrine system

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Question 21
F

A student investigates the response of young shoots to light. The student treats four shoots in different ways. All four shoots are then lit from one side for two days. Table

ShootTreatment
1tip cut off
2lower part covered with a foil sleeve, tip left uncovered
3tip covered with a foil cap
4whole shoot covered with foil
Foil does not let light pass through.
Which shoot will bend towards the light?
[1]
A

shoot 1

B

shoot 2

C

shoot 3

D

shoot 4

Markscheme

3.2 Coordination and control – the endocrine system Questions

  1. GCSE
  2. /Biology
  3. /3.2 Coordination and control – the endocrine system

84 exam-style questions on OCR GCSE Biology 3.2 Coordination and control – the endocrine system, covering 3.2.1 Principles of hormonal coordination and control, 3.2.2 Roles of thyroxine and adrenaline, 3.2.3 Hormones in human reproduction, 3.2.4 Interactions of reproductive hormones, 3.2.5 Hormones in contraception, 3.2.6 Hormones in reproductive technologies, 3.2.7 Plant hormones in growth and coordination, 3.2.8 Effects of plant hormones, and 3.2.9 Uses of plant hormones. Each one has a worked solution and a mark scheme showing where the marks go.

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