Curriculum
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

2.6.3 HIV – Exam questions

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  • Questions count: 10
  • Passing grade: B+
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1.
Human immunodeficiency virus (HIV) is a retrovirus that integrates its own DNA into a host cell’s genome using
SAT Biology - Question 189
A
B
C
D
E
2.
Which key term matches this description: "Rapid change (flu, HIV)."
Which key term matches this description: "Rapid change (flu, HIV)."
Pesticide resistance
Coevolution
Viral mutation
Continuing evolution
3.
Which of the following is NOT a way HIV is transmitted?
Sharing needles
Unprotected sex
Mother to baby
Shaking hands
4.
HIV uses reverse transcriptase to
make DNA from RNA
make RNA from DNA
make proteins
break host DNA
5.
Which cell does HIV primarily infect?
B cells
Red blood cells
T helper cells
Neutrophils
6.
What enzyme does HIV use to make DNA from RNA?
DNA polymerase
Reverse transcriptase
RNA polymerase
Ligase
7.
HIV mainly attacks:
red blood cells
B cells
helper T cells
platelets
8.

HIV is transmitted by

mosquitoes
exchange of body fluids such as blood and semen
contaminated water
airborne droplets
9.

HIV infects

T-helper lymphocytes
red blood cells
neurones
liver cells only
10.

HIV infects

B cells only
T helper cells, using the CD4 receptor
red blood cells
neutrophils
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Part of 2. Cell Structure — see every lesson and quiz in this unit.
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