cameroon gce board past questions

Cameroon GCE O Level 2015 Biology 2 past Question Paper 2 (Biology II 510 GCE Board)

CAMEROON GENERAL CERTIFICATE OF EDUCATION BOARD
General Certificate Of Education Examination
510 BIOLOGY 2 JUNE 2015 ORDINARY LEVEL
KAMERPOWER.COM

Cameroon GCE O Level 2015 Biology 2 past Question Paper 2 (Biology II 510 GCE Board)

Answer FOUR questions, Two from Section A and TWO from Section B. All questions carry equal marks.

Marks allocated to parts of questions are indicated in brackets. If more than TWO questions are answered in Section A or B, only the FIRST TWO shall be marked.

Give labelled diagrams where these will make the answers clearer.

Begin each question on a new page.

You are reminded of the necessity for good English and orderly presentation in your answers.

SECTION A

1.
(a) What features do insects have in common? (8 marks)

(b) How are birds adapted for flight? (12 marks)

(c) State, the economic importance of birds. (5 marks)
(Total = 25 marks)

2.
(a) What is photosynthesis? (4 marks)

(b) State the differences between photosynthesis and respiration. (14 marks)

(c) How is photosynthesis important in living organisms? (7 marks)
(Total = 25 marks)

3.
(a) Define the following terms:
(i) Active transport.
(ii) Osmosis. (2, 3 marks)

(b) Describe an experiment to demonstrate osmosis in living tissue. (10 marks)

(c) How does a molecule of water from the soil get to the leaf of a plant? (10 marks)
(Total = 25 marks)

4.
(a) Define the terms:
(i) Eutrophication. 
(ii) Pollution.
(iii) Ecosystem. ( 4, 4, 5 marks)

(b) How would changes in temperature affect plants? (12marks)
(Total = 25 marks)

3 Comments

  1. Peries May 11, 2019
  2. marie June 9, 2017
  3. Nyanda Alain Ebube March 1, 2016

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