CCEA GCSE Double Award Science B2 Body Systems, Genetics, Microorganisms and Health quiz quiz
16questions. Pick an answer and you'll see why right away.
What is osmosis?
A plant cell placed in pure water becomes:
Which tissue carries dissolved sugars around a plant?
Why does the left ventricle have a thicker wall than the right?
Which blood vessel has valves to stop backflow?
In DNA, which bases pair together?
How many chromosomes are in a normal human body cell?
Mitosis produces:
What does heterozygous mean?
Two heterozygous parents (Bb x Bb) have children. What fraction is expected to be homozygous recessive (bb)?
What are the sex chromosomes of a human male?
Height in humans is an example of:
How does a population of bacteria become resistant to an antibiotic?
How does a white blood cell defend the body by phagocytosis?
Why can antibiotics not treat a cold?
Which substance in tobacco smoke reduces the oxygen carried by the blood?