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Course: AQA A Level Biology 7402
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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)

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9. Exam Guidance and Skills

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Quiz

3.5.8 Required Practical- Dissecting Mass Transport Systems – Exam questions

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  • Questions count: 12
  • Passing grade: B+
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1.
Which tissue transports sucrose?
Phloem
Xylem
Epidermis
Cuticle
2.
Xylem transports
oxygen to roots
water and mineral ions from roots to leaves
hormones only
sugars from leaves to roots
3.
Phloem transports
minerals only
sugars and other organic substances
water only
gases
4.
How do mineral ions enter root hair cells?
Osmosis
Active transport
Transpiration
Phagocytosis
5.
Which change would reduce the rate of transpiration?
Higher temperature
More wind
Brighter light
Higher humidity
6.
What is the function of lymphocytes?
Carry oxygen
Clot blood
Produce antibodies
Transport urea
7.
Why do red blood cells lack a nucleus?
To divide faster
To make antibodies
To store glucose
To hold more haemoglobin
8.
A vaccine usually contains
antibiotics
dead or weakened pathogens or their antigens
antibodies from another person only
white blood cells
9.
Which statement best describes Plasma?
An extended root epidermal cell with a large surface area for absorbing water and mineral ions.
Dead, hollow, lignified tubes that carry water and mineral ions from roots to leaves.
Giving a dead or weakened pathogen (or its antigens) to stimulate memory cells and immunity without causing disease.
The pale yellow liquid part of blood that carries dissolved substances, hormones and heat.
10.
Which statement best describes Phloem?
Dead, hollow, lignified tubes that carry water and mineral ions from roots to leaves.
A white blood cell that produces antibodies specific to an antigen.
Living tissue that transports sucrose and amino acids around the plant (translocation).
An extended root epidermal cell with a large surface area for absorbing water and mineral ions.
11.
Which statement best describes Phagocyte?
The pale yellow liquid part of blood that carries dissolved substances, hormones and heat.
A white blood cell that engulfs and digests pathogens (phagocytosis).
A molecule on the surface of a pathogen that triggers an immune response.
The net movement of water molecules from a dilute solution to a more concentrated solution through a partially permeable membrane.
12.
Which statement best describes Osmosis?
An extended root epidermal cell with a large surface area for absorbing water and mineral ions.
Living tissue that transports sucrose and amino acids around the plant (translocation).
Dead, hollow, lignified tubes that carry water and mineral ions from roots to leaves.
The net movement of water molecules from a dilute solution to a more concentrated solution through a partially permeable membrane.
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Part of 3. Exchange and Transport — see every lesson and quiz in this unit.
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