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OCR MERGED QUESTION PAPER AND MARK SCHEME GCSE (9–1) Biology A (Gateway Science)J247/03 (Higher Tier) FOR MAY 2024 $11.99   Add to cart

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OCR MERGED QUESTION PAPER AND MARK SCHEME GCSE (9–1) Biology A (Gateway Science)J247/03 (Higher Tier) FOR MAY 2024

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  • Course
  • Biology
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  • Biology

OCR MERGED QUESTION PAPER AND MARK SCHEME GCSE (9–1) Biology A (Gateway Science)J247/03 (Higher Tier) FOR MAY 2024

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  • October 16, 2024
  • 53
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Biology
  • Biology
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williesmaish2999
Friday 10 May 2024 – Morning
GCSE (9–1) Biology A (Gateway Science)
J247/03 (Higher Tier)
Time allowed: 1 hour 45 minutes

, 2
Section A

You should spend a maximum of 30 minutes on this section.

Write your answer to each question in the box provided.


1 Cellulose is a complex carbohydrate.

Which monomers is cellulose made from?

A Amino acids

B Fatty acids

C Glycerol

D Simple sugars


Your answer [1]


2 The diagram shows the structure of the human brain.




A

B
D
C



Which part of the brain is highly folded into two hemispheres and controls language and
memory?


Your answer [1]

, 3
3 Sensory neurones conduct impulses towards the central nervous system.

Which row is correct about what is included in the structure of a sensory neurone?

Axon Dendron

A ✓ ✓

B ✓ ✗

C ✗ ✓

D ✗ ✗



Your answer [1]


4 Which statement describes how the body responds to cold temperatures?

A Shivering and vasoconstriction

B Shivering and vasodilation

C Sweating and vasoconstriction

D Sweating and vasodilation


Your answer [1]


5 Which substance in urine does the biuret test identify?

A Glucose

B Ions

C Protein

D Red blood cells


Your answer [1]




Turn over

, 4
6 A section of DNA is analysed to find the percentage of each of the four bases present.
16% of the DNA is guanine.

What is the percentage of the other bases in this section of DNA?

A 16% Adenine, 16% Cytosine, 52% Thymine

B 16% Adenine, 34% Cytosine, 34% Thymine

C 34% Adenine, 16% Cytosine, 34% Thymine

D 34% Adenine, 34% Cytosine, 16% Thymine


Your answer [1]


7 Which statement about DNA is correct?

A DNA codes for the production of amino acids.

B DNA contains specific sequences of amino acids and bases.

C DNA is a polymer made of three different nucleotides.

D DNA nucleotides consist of a base, a sugar and a phosphate.


Your answer [1]


8 What is the correct sequence of events in one cell cycle?

A Growth of the cell, DNA replication, movement of the chromosomes

B Growth of the cell, movement of the chromosomes, DNA replication

C Movement of the chromosomes, DNA replication, growth of the cell

D Movement of the chromosomes, growth of the cell, DNA replication


Your answer [1]




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