Daily Practice

GCSE Science

8th November 1988

5 questions · GCSE · 584 questions in this band

1
Inheritance, Variation and Evolution
Define phenotype.
2
DNA, Genetics and Inheritance
State how many chromosomes are found in a normal human body cell, and how they are arranged.
3
Variation, Evolution and Selection
Explain why genetic engineering can introduce a new characteristic in a single generation, while selective breeding cannot.
4
Ecology
Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
5
Ecosystems, Adaptation and Feeding Relationships
A student places ten 1 m x 1 m quadrats at random across a school field of area 3000 m2 and counts a total of 45 dandelions across all ten quadrats. Estimate the total number of dandelions on the field.

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