OCR Biology F215 - Responding to environment (plants) exam questions

tricky questions and answers from past papers

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  • Created by: sophie
  • Created on: 11-04-12 14:53

Outline how energy content of a primary consumer c

Calorimeter

Known dry mass of material is burnt in oxygen

Measurement/analysis:

Temperature change of water measured

Known volume of water

Converted back to kilodules

1 of 2

Describe and explain the role of plant growth regu

GA promotes germination

Produced in an embryo

Stimulates production fo enzymes

Breakdown of starch to glucose

Occurs in endosperm

GA produces more glucose than ABA

when both present, ABA reduces effect of GA

ABA inhibits germination

Reduces enzyme production

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