Leaving Certificate BiologyEvolution & Variation iQuiz

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What term is given to the genetic makeup of an individual or the

genes that they inherit?

Genotype

Phenotype Gene pool

Genetic code

A spontaneous change in the sequence of nitrogenous bases in a gene or a chromosome is called …

Genotype

Test cross Mutation

Phenotype

A feature that an organism or species possesses, develops or evolves that

suits/adjusts the organism to its environment to increase it’s chances of survival and

reduce competition is …

Evolution An adaptation

Natural selection A vestigial form

How modern plants and animals have gradually developed from

pre-existing forms over long periods of time is also known as …

Natural selection Evolution

Adaptation Mutations

The ability to cycle a bicycle is an example of …

A spontaneous generation

A gene expression

An inherited variation

An acquired variation

Which of the following describes characters of organisms that have seemingly lost most or all of their

function in a species through evolution?

Pentadactyl Vestigiality

Homologous Adaptive radiation

The term used to describe the same structure found on different organisms,

originating from a common ancestor, but with different functions is …

Vestigial structure

Adaptive radiation

Homologous structure

Pentadactyl limb

The way nature selects organisms with advantageous genes which allow them to adapt to the environment, and pass them on to successive generations is

known as …

Adaptation Natural selection

Evolution Mutations

What term is given to the five-fingered appendage found in

nearly all terrestrial vertebrates?

Pentadactyl limb Forelimb

Hindlimb None of these

Which of the following is not an inheritable blood disorder?

Diabetes mellitus Haemophilia

Cystic fibrosis Sickle cell anaemia

Which of the following is a result of natural selection?

Inherited variations Speciation

Spontaneous mutations Over-breeding

Which of the following is not an area of study in support of

evolution?

Palaeontology Comparative anatomy

Embryology Taxonomy

In addition to Darwin, another scientist associated with theories

of evolution is …

Mendel Wallace

Jenner Benedict

Homologous chromosomes which are similar in both the sexes are

referred to as …

Sex chromosomes Homozygous

Autosomes Heterozygous

Which of the following is not an example of a vestigial organ or

structure?

Muscle of the human ear Penguin’s wing

Human appendix Coccyx of the human skeleton

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Evolution & Variation iQuiz