Question :
The basic unit of biosystematics is
Option 1:
Phenotype
Option 2:
Ecotype
Option 3: Karyotype
Option 4: Genotype
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Correct Answer:
Solution : The correct option is Ecotype.
The basic unit of biosystematics is the ecotype. It is suited to a specific habitat and yet can produce entirely viable hybrids with various ecotypes. In Turesson's words, ecotype refers to "an ecological unit to cover the product arising as a result of an ecospecies' genotypical response to a particular habitat". Ecotypes are unique populations of a species that have evolved to certain ecological circumstances and they are more accurately defined when it comes to populations and their habitats.
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Which of the following amphibians lacks tongue?
Sphenodon
Salamander
Option 3: Ichthyophis
Option 4: Necturus
The larvae of cockroach are called:
Caterpillar
Nymph
Option 3: Maggot
Option 4: Grub
Which one of the following is an indicator of air pollution?
Cycas
Algae
Option 3: Bryophytes
Option 4: Lichens
The plant that behaves as a root parasite is:
Ficus
Santalum
Option 3: Cuscuta
Option 4: Euphorbia
Companion cells of phloem are found in:
gymnosperms
Bryophyta
Option 3: Pteridophyta
Option 4: Angiosperms
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