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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

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

5.2.1 Photosynthesis- An Overview – Unit exam questions

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  • Questions count: 12
  • Passing grade: B+
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1.

A4.1 Evolution and speciation — Source question 3 | DABOUR HUB

Dr Dabour Hub Academy - figure 1
A
B
C
D
2.

A4.1 Evolution and speciation — Question 7 | DABOUR HUB

Dr Dabour Hub Academy - figure 2
A
B
C
D
3.
ATP releases usable energy when
it is converted to glucose
it gains a phosphate group
its terminal phosphate bond is hydrolysed
it binds oxygen
4.
Why does enzyme activity fall sharply at high temperatures?
Substrate molecules move slower
Activation energy increases
The enzyme denatures as bonds holding its shape break
ATP runs out
5.
Calculate the percentage transfer efficiency from primary to secondary consumers in this measured ecosystem.
6.7%
85%
15%
1.5%
6.
Which of the following is not a product of the light-dependent reactions of photosynthesis?
Which of the following is not a product of the light-dependent reactions of photosynthesis?
O2
ATP
NADPH
Sugar
7.

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

Dr Dabour Hub Academy - figure 3
A
B
C
D
8.
Which describes a common difference between terrestrial and aquatic ecosystems?
SAT Biology - Question 261
A
B
C
D
E
9.
What are the products of photosynthesis?
Carbon dioxide and water
Glucose and oxygen
Starch and carbon dioxide
Oxygen and water
10.
In a test of how pH affects enzyme activity, keeping temperature the same makes it a _____.
dependent variable
constant
hypothesis
control group
11.
Glucose is the cell's long-term energy store while ATP is its immediately usable currency. True or false?
False
False, ATP is stored long-term
True only in plants
True
12.
Palisade mesophyll cells contain many chloroplasts.
True
False
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Part of Topic 5 · On the Wild Side — see every lesson and quiz in this unit.
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