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

5.3.7 Practical- Temperature and Development of Organisms – 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?
1.
Frog eggs are observed daily as they develop. What is the dependent variable in a temperature study?
Water temperature
Tank size
Number of tanks
Rate of development (e.g. days to hatching)
2.
Tanks at different temperatures had different light levels. What is the flaw?
No flaw
Too many eggs
Temperature is dependent
Light is uncontrolled, so temperature is not the only cause
3.
Which method best tests whether temperature affects sea-urchin fertilisation success?
Use one temperature
Count eggs without sperm
Mix identical gamete samples at several temperatures and count fertilised eggs
Vary sperm amount too
4.
In the frog-egg study, water temperature is the _____.
independent variable
dependent variable
zygote
placenta
  • 1
  • 2
  • 3
  • 4
Accepted payment methods