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

Curriculum

Edexcel A Level Biology A (SNAB) 9BI0

Topic 1 · Lifestyle, Health and Risk

0/50

Topic 2 · Genes and Health

0/76

Topic 3 · Voice of the Genome

0/55

Topic 4 · Biodiversity and Natural Resources

0/51

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

0/51
Quiz

5.4.1 Evolution by Natural Selection – Exam questions

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 12
  • Passing grade: B+
Start Quiz
1.
Which step belongs at '?' in the natural selection sequence?
Dr Dabour Hub Academy - figure 1
All individuals survive equally
Individuals change their alleles
Some variants survive and reproduce better
Mutations are caused by need
2.
Students model natural selection by picking coloured paper 'prey' from a patterned background. What is the independent variable?
Number of prey picked
Colour of the prey
Size of the background
Time allowed
3.
Which statement about natural selection is correct?
Individuals evolve during their lifetime
It creates new mutations when needed
It acts on existing heritable variation
It always produces perfect organisms
4.
Which statement best describes Natural selection?
A change in the allele frequencies of a population over successive generations.
The formation of a new species when populations become reproductively isolated.
Random change in allele frequencies, strongest in small populations.
Differential survival and reproduction of individuals whose heritable traits better suit their environment.
5.

D4.1 Natural selection — Source question 1 | DABOUR HUB

Dr Dabour Hub Academy - figure 2
A
B
C
D
6.

D4.1 Natural selection — Source question 2 | DABOUR HUB

Dr Dabour Hub Academy - figure 3
A
B
C
D
7.

D4.1 Natural selection — Source question 7 | DABOUR HUB

Dr Dabour Hub Academy - figure 4
A
B
C
D
8.

D4.1 Natural selection — Source question 10 | DABOUR HUB

Dr Dabour Hub Academy - figure 5
A
B
C
D
9.

D4.1 Natural selection — Source question 11 | DABOUR HUB

Dr Dabour Hub Academy - figure 6
A
B
C
D
10.

D4.1 Natural selection — Source question 16 | DABOUR HUB

Dr Dabour Hub Academy - figure 7
A
B
C
D
11.

D4.1 Natural selection — Source question 17 | DABOUR HUB

Dr Dabour Hub Academy - figure 8
A
B
C
D
12.
Natural selection creates new variation. True or false?
True
False
True during droughts
True in bacteria
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
Part of Topic 5 · On the Wild Side — see every lesson and quiz in this unit.
Accepted payment methods