SUCCED
A-LEVEL BIOLOGY
Paper 1 – Core Concepts in Biology
Time allowed: 2 hours
Total marks: 80
CANDIDATE NUMBER
CENTER NUMBER
DATE
SECTION
A 10
B 40
C 30
TOTAL 80
Instructions to Candidates
• Answer all questions.
• Use black ink.
• Show all working where calculations are required.
• Marks are indicated in brackets [ ].
• The quality of written communication will be assessed in
extended responses.
, SUCCED
Section A – Multiple Choice (10 marks)
Choose the best answer. Circle the letter.
1. Which organelle is the site of aerobic respiration?
A. Ribosome
B. Mitochondrion
C. Chloroplast
D. Golgi apparatus [1]
2. Which bond holds complementary base pairs together in DNA?
A. Ionic
B. Hydrogen
C. Peptide
D. Phosphodiester [1]
3. The fluid mosaic model describes:
A. DNA replication
B. Cell membrane structure
C. Protein synthesis
D. Enzyme-substrate binding [1]
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A-LEVEL BIOLOGY
Paper 1 – Core Concepts in Biology
Time allowed: 2 hours
Total marks: 80
CANDIDATE NUMBER
CENTER NUMBER
DATE
SECTION
A 10
B 40
C 30
TOTAL 80
Instructions to Candidates
• Answer all questions.
• Use black ink.
• Show all working where calculations are required.
• Marks are indicated in brackets [ ].
• The quality of written communication will be assessed in
extended responses.
, SUCCED
Section A – Multiple Choice (10 marks)
Choose the best answer. Circle the letter.
1. Which organelle is the site of aerobic respiration?
A. Ribosome
B. Mitochondrion
C. Chloroplast
D. Golgi apparatus [1]
2. Which bond holds complementary base pairs together in DNA?
A. Ionic
B. Hydrogen
C. Peptide
D. Phosphodiester [1]
3. The fluid mosaic model describes:
A. DNA replication
B. Cell membrane structure
C. Protein synthesis
D. Enzyme-substrate binding [1]
(
