Question 1

Which option lists the three domains of life?

  A  

Archaea, Bacteria, and Eukaryota

  B  

Bacteria, Prokaryota, and Eukaryota

  C  

Prokaryotae, Protoctista, and Eukaryota

  D  

Protoctista, Plantaea, and Animalia

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Question 2

Biologists use both phylogeny and classification to understand how different species are related.

What is a statement about phylogeny?

  A  

there are 21 species of ladybird in the UK that belong to the sub-family Coccinellinae

  B  

Homo sapiens and Pan bonobo share a common ancestor

  C  

the lily family, Liliaceae, consists of fifteen genera

  D  

the great white shark, Carcharodon carcharias, is a member of the class Chondrichthyes

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Question 3

Polar bears, Ursus maritimus, and giant pandas, Ailuropoda melanoleuca, both belong to the family Ursidae.

What is not true about the classification of polar bears and giant pandas?

  A  

they each belong to a different class

  B  

they each belong to a different species

  C  

they each belong to the same order, carnivora

  D  

they each belong to the same phylum, chordata


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Question 4

Organisms can be classified into taxa by analysing and comparing some of their molecules.

The molecules below are all involved in respiration.

Which would be the most appropriate molecule to study in order to classify organisms into taxa?

  A  

ATP synthase

  B  

acetyl coenzyme A

  C  

NAD

  D  

FAD

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Question 5

Living organisms are classified by biologists in hierarchical groupings called taxonomic ranks.

After domain and kingdom, what is the correct sequence for these ranks?

  A  

phylum, order, class, family, genus, species

  B  

phylum, class, order, family, genus, species

  C  

phylum, order, family, class, genus, species

  D  

phylum, class, family, order, genus, species

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Question 6

The European badger, Meles meles, is a member of the family Mustelidae.

The American badger belongs to a different genus within the same family.

What is the correct binomial name for the American badger?

  A  

Meles leucurus

  B  

Mellivora capensis

  C  

Mustelidus Everetti

  D  

Taxidea taxus

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Question 7

What is the likely outcome when a mutation results in a trait that improves an organism's survival and reproduction?

  A  

the trait will disappear from the population

  B  

the frequency of the advantageous allele will increase

  C  

the population will become more susceptible to predators

  D  

the mutation will remain neutral with no effect on the population

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Question 8

What type of adaptation is exhibited by animals with body coverings such as scales or feathers?

  A  

physiological

  B  

behavioural

  C  

anatomical

  D  

reproductive

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Question 9

How does the thick wax layer on plant leaves contribute to their survival?

  A  

by attracting pollinators

  B  

by preventing water loss

  C  

by capturing prey

  D  

by aiding in photosynthesis

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Question 10

Which of the following is an example of a physiological adaptation?

  A  

migration

  B  

courtship behaviour

  C  

antibiotic production by bacteria

  D  

the shape of teeth in herbivores

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Question 11

Which factor is not a selection pressure in natural selection?

  A  

predation

  B  

competition for resources

  C  

the number of offspring produced

  D  

climate conditions

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Question 12

Which behaviours would be classified as seasonal behaviours?

  A  

camouflage and mimicry

  B  

migration and hibernation

  C  

innate and learned behaviours

  D  

courtship and survival tactics

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Question 13

Sponges are organisms that are multicellular and heterotrophic.

To which kingdom do sponges belong?

  A  

Bacteria

  B  

Protista

  C  

Fungi

  D  

Animalia

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Question 14

Which domain of life includes organisms with cells that have a nucleus?

  A  

Archaea

  B  

Eukarya

  C  

Bacteria

  D  

Prokaryotae

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Question 15

In the classification of organisms, what is the primary role of phylogenetic classification?

  A  

to classify organisms based on genetic similarity alone

  B  

to classify organisms based on their ecological roles

  C  

to classify organisms by their physical characteristics

  D  

to classify organisms based on evolutionary relationships

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Question 16

The binomial name for humans is Homo sapiens. What does 'Homo' represent?

  A  

the species

  B  

the genus

  C  

the family

  D  

the order

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Question 17

What is one defining characteristic that members of a species have in common most often?

  A  

they are genetically identical

  B  

they inhabit the same environment

  C  

they are capable of breeding to produce living, fertile offspring

  D  

they have identical physical features

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