Daily Practice · GCSE Science

Daily Practice - GCSE Science

1st January 1999

5 questions · GCSE · 584 questions in this band

1
The Nervous System and Reflexes
State why a reflex action is described as involuntary.
2
Hormonal Coordination and Homeostasis
Explain why sweating cools the body down.
3
Inheritance, Variation and Evolution
In pea plants, the allele for tall stems (T) is dominant over the allele for short stems (t). A homozygous tall plant (TT) is crossed with a homozygous short plant (tt). State the genotype and phenotype of all the offspring.
4
DNA, Genetics and Inheritance
Explain one benefit of the Human Genome Project.
5
Variation, Evolution and Selection
Explain one reason it took many years for Darwin's theory of evolution by natural selection to become widely accepted.

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