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Course: AQA A Level Biology 7402
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Curriculum

AQA A Level Biology 7402

1. Biological Molecules

0/102

2. Cell Structure

0/95

3. Exchange and Transport

0/98

4. Genetics, Variation and Interdependence

0/94

5. Energy Transfers In and Between Organisms (A Level only)

0/63

6. Organisms Respond to Changes in their Environments (A Level only)

0/93

7. Genetics, Populations, Evolution and Ecosystems (A Level only)

0/55

8. The Control of Gene Expression (A Level only)

0/72

9. Exam Guidance and Skills

0/38
Quiz

4.6.8 Quantitative Investigations of Variation – Unit exam questions

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  • Questions count: 12
  • Passing grade: B+
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1.
IGCSE Biology 21.1 Genetic modification - Question 3
IGCSE Biology 21.1 Genetic modification - Question 3
A
B
C
D
2.
IGCSE Biology 17.4 Meiosis - Question 12
IGCSE Biology 17.4 Meiosis - Question 12
A
B
C
D
3.
IGCSE Biology 17.4 Meiosis - Question 4
IGCSE Biology 17.4 Meiosis - Question 4
A
B
C
D
4.
The start codon AUG codes for
methionine
glycine
no amino acid
a stop signal
5.
Why can an electron microscope resolve more detail?
It uses coloured stains
Electrons have a shorter wavelength than light
Specimens are alive
It magnifies less
6.
Which pairing of cell and chromosome number in humans is correct?
Skin cell — 23
Zygote — 23
Egg — 46
Sperm — 23
7.
IGCSE Biology 21.1 Genetic modification - Question 9
IGCSE Biology 21.1 Genetic modification - Question 9
A
B
C
D
8.
IGCSE Biology 2.1 Animal and Plant Cells - Question 1
IGCSE Biology 2.1 Animal and Plant Cells - Question 1
A
B
C
D
9.
Students compare species richness in a mown lawn and a wild meadow using quadrats. What is the dependent variable?
Type of area
Quadrat size
Number of plant species
Time of sampling
10.
Which technique prevents contamination when inoculating an agar plate?
Leave the lid open
Use unsterilised loops
Flame the loop, work near a Bunsen flame and lift the lid only slightly
Breathe on the plate
11.
The Human Genome Project was completed in 2003. True or false?
True
False
False, in 1953
True only for chromosome 1
12.
Mutation is the only mechanism that creates entirely new alleles. True or false?
False
True
False, drift creates them
True only in bacteria
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Part of 4. Genetics, Variation and Interdependence — see every lesson and quiz in this unit.
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