Daily Practice

GCSE Science

22nd February 1991

5 questions · GCSE · 584 questions in this band

1
The Nervous System and Reflexes
Explain why reflex responses are faster than voluntary responses.
2
Hormonal Coordination and Homeostasis
Name the hormone released by the adrenal glands that prepares the body for fight or flight.
3
Inheritance, Variation and Evolution
Define the term allele.
4
DNA, Genetics and Inheritance
State whether cystic fibrosis is caused by a dominant or a recessive allele.
5
Variation, Evolution and Selection
Give one example of variation that is caused purely by the environment rather than by genes.

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