Mock Exam Paper F

PRE-LEAVING CERTIFICATE EXAMINATION, 2016

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BIOLOGY – HIGHER LEVEL

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TIME ALLOCATION: 3 HOURS

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400 MARKS

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Section A

Answer five questions from this section.

Each question carries 20 marks.

Write your answers in the spaces provided on this examination paper.

Section B

Answer two questions from this section.

Each question carries 30 marks.

Write your answers in the spaces provided on this examination paper.

Section C

Answer four questions from this section.

Each question carries 60 marks.

Write your answers in the spaces provided in the answer booklet

It is recommended that you spend not more than 30 minutes on Section A and 30 minutes on Section B, leaving 120 minutes for Section C.

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Section A

Answer any five questions. Each Question carries 20 marks.

Write your answers in the spaces provided.

1.

Answer five of the following by filling in the blank spaces.

Carbon is one of the main constituent elements present in carbohydrates. Name two other elements found in carbohydrates.

(1)................................................

(2)................................................

Name a test used to identify the presence of reducing sugars ……………………………………………………………………………………………

What enzyme is used to digest proteins in the stomach? ……………………………………………………………………………………………

Give the product of protein catabolism. ……………………………………………………………………………………………

Name two trace elements that are important in the human diet.

(1)………………………….......

(2)………………………………

What food can be identified using iodine, and state the colour change observe for a positive result.

Food: ………………………………………………………………………………………..

Colour change: ……………………………………………………………………………...

2

Define the following terms.

(a)

Hypothesis ………………………………………………………………………………………………………………………………………………………………………………………………

(b)

Theory ………………………………………………………………………………………………………………………………………………………………………………………………

(c)

Principle …………………………………………………………………………………………………………………………………………………………………………………...

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