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Biodiversity and classification
Written by Dr. Hira Salman (Biology)
8 Class 11 Biology questions with answers and explanations.
Printable worksheet with answer key
All questions with answers
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The five kingdom system was proposed by:
- 1 Darwin
- 2 Linnaeus
- 3 Whittaker
- 4 Mendel
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Correct answer: Whittaker
R. H. Whittaker proposed five kingdoms in 1969.
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Organisms without a true nucleus are:
- 1 Algae
- 2 Prokaryotes
- 3 Eukaryotes
- 4 Fungi
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Correct answer: Prokaryotes
Prokaryotes lack a membrane bound nucleus.
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Binomial nomenclature gives each organism a:
- 1 Family name only
- 2 Genus and species name
- 3 Kingdom name
- 4 Common name
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Correct answer: Genus and species name
It uses the genus and species name.
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Viruses are not classified in any of the five kingdoms because they are:
- 1 Too large
- 2 Always harmful
- 3 Plants
- 4 Non cellular
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Correct answer: Non cellular
They have no cell structure and can reproduce only inside host cells.
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Which group of plants has no vascular tissue?
- 1 Ferns
- 2 Flowering plants
- 3 Conifers
- 4 Bryophytes
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Correct answer: Bryophytes
Mosses and liverworts have no xylem or phloem.
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Which kingdom includes organisms that are mostly multicellular and photosynthetic?
- 1 Plantae
- 2 Monera
- 3 Animalia
- 4 Fungi
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Correct answer: Plantae
Plants make food by photosynthesis.
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Taxonomy was founded on the work of:
- 1 Pasteur
- 2 Hooke
- 3 Linnaeus
- 4 Mendel
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Correct answer: Linnaeus
Linnaeus introduced the system of naming.
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The loss of biodiversity is mainly caused by:
- 1 Habitat destruction
- 2 Larger oceans
- 3 Cooler climate only
- 4 More rainfall
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Correct answer: Habitat destruction
Human activity destroys habitats.
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