Daily Practice

GCSE Science

3rd March 1989

5 questions · GCSE · 584 questions in this band

1
DNA, Genetics and Inheritance
In pea plants, purple flower colour (allele H) is dominant over white flower colour (allele h). State the phenotype of a plant with genotype Hh.
2
Variation, Evolution and Selection
Define speciation.
3
Ecology
Give one example of an abiotic factor that could affect where a plant species grows.
4
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.
5
Biodiversity, Cycles and Human Impact
A peat bog covered an area of 850 hectares in 2015. By 2025, drainage for farmland had reduced the peat bog to 680 hectares. Calculate the percentage decrease in the area of the peat bog.

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