Test (elaborations) biology Leaving Certificate Biology Experiment Book, ISBN: 9781845362836

Name:…………………………………………. Index Number:…... …….………….……

Adm. No……………….. Class: ……………….. Candidate’s Signature: ………………….

Date: ……………………………………..
231/2
BIOLOGY
Theory
Paper 2
March/April, 2020
Time: 2 Hours



MOKASA JOINT EVALUATION EXAMS
MOKASA 1
231/2
Biology
Paper 2
March/April, 2020

Instructions To Candidates

 Write your name and Index number in the spaces provided above.
 Sign and write the date of the examination the spaces provided above.
 This paper consists of two sections: A and B.
 Answer ALL the questions in Section A in the spaces provided.
 In section B answer questions 6 (compulsory) and either question 7 or 8 in the spaces provided after
question 8.


FOR EXAMINER’S USE ONLY

Section Question Maximum score Candidate’s score
1
2
A 3
4
5
6
B 7 20
8 20
TOTAL SCORE 80




SECTION A: (40 MARKS)
© 2020 MOKASA 1 BIOLOGY PAPER 2Page 1

, Answer all questions in the spaces provided.
1. The diagrams below show samples of blood obtained from two different persons A and B.




a) What genetic disorder is person B suffering from? (1 mark)
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b) State one advantage and one disadvantage of the disorder exhibited in person A (2 mark)
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c) Work out the genotypes and phenotypes of the resulting offsprings of a marriage between
person A and person B (5 marks)
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© 2020 MOKASA 1 BIOLOGY PAPER 2Page 2