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Course: Edexcel A Level Biology A (SNAB) 9BI0
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Edexcel A Level Biology A (SNAB) 9BI0

Topic 1 · Lifestyle, Health and Risk

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Topic 2 · Genes and Health

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Topic 3 · Voice of the Genome

0/55

Topic 4 · Biodiversity and Natural Resources

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Topic 5 · On the Wild Side

0/72

Topic 6 · Immunity, Infection and Forensics

0/41

Topic 7 · Run for your Life

0/55

Topic 8 · Grey Matter

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Quiz

4.2.10 Sustainability and Plant Materials – Unit exam questions

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  • Questions count: 12
  • Passing grade: B+
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1.
IGCSE Biology 2.1 Animal and Plant Cells - Question 11
IGCSE Biology 2.1 Animal and Plant Cells - Question 11
A
B
C
D
2.
Water is a good solvent because it
is non-polar
is polar
has a low heat capacity
forms covalent bonds with solutes
3.

Reproductive isolation can lead to

gene flow
speciation
reduced variation only
cloning
4.
What would be the approximate frequency of the heterozygote if this population were in Hardy-Weinberg equilibrium? (see the figure)
What would be the approximate frequency of the heterozygote if this population were in Hardy-Weinberg equilibrium? (see the figure)
20 percent
45 percent
48 percent
72 percent
5.
Why does ice floating benefit aquatic organisms?
It raises water temperature
It increases oxygen
It insulates the water beneath
It increases light
6.
IGCSE Biology 2.1 Animal and Plant Cells - Question 10
IGCSE Biology 2.1 Animal and Plant Cells - Question 10
A
B
C
D
7.
Nine percent of an anteater population has a short snout (recessive). At Hardy-Weinberg equilibrium, what is the expected percent heterozygous?
Nine percent of an anteater population has a short snout (recessive). At Hardy-Weinberg equilibrium, what is the expected percent heterozygous?
26.0
30.0
34.0
38.0
42.0
8.
IGCSE Biology 2.1 Animal and Plant Cells - Question 3
IGCSE Biology 2.1 Animal and Plant Cells - Question 3
A
B
C
D
9.
Cohesion between water molecules is due to
ionic bonds
hydrogen bonds
covalent bonds
disulfide bonds
10.
IGCSE Biology 2.1 Animal and Plant Cells - Question 7
IGCSE Biology 2.1 Animal and Plant Cells - Question 7
A
B
C
D
11.

A3.2 Classification and cladistics — Source question 2 | DABOUR HUB

Dr Dabour Hub Academy - figure 1
A
B
C
D
12.
IGCSE Biology 1.3 Dna in Classification - Question 2
IGCSE Biology 1.3 Dna in Classification - Question 2
A
B
C
D
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Part of Topic 4 · Biodiversity and Natural Resources — see every lesson and quiz in this unit.
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