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प्रश्न
Two chambered heart occurs in
विकल्प
crocodiles
fish
aves
amphibians
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उत्तर
fish
Explanation -
Fish (Class Pisces) have a two-chambered heart with an atrium and a ventricle (exception being lungfish which have a three-chambered heart). Amphibians (Class-Amphibia) and reptiles (except crocodiles and their relatives) have three-chambered hearts with two atria and one ventricle. Crocodiles and birds (Class-Aves) and mammals have four-chambered hearts with two atria and two ventricles.
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संबंधित प्रश्न
Assertion: Identification, assortment and grouping are essential for classification
Reason: These are basic steps of taxonomy
Binominal Nomenclature was first introduced in the year
The word ‘Taxonomy’ is derived from _______.
A group of organisms having similar traits of a rank is ______.
Every unit of classification regardless of its rank is ____________.
Specimen derived from non-original collection serves as the nomenclatural type when the original specimen is missing. It is known as
Plants without well differentiated stem, root and leaf are kept in ______.
Give examples for the following
Worms causing disease elephantiasis is______.
The book written by Linnaeus is titled ______.
Carolus Linnaeus published their Natural System of Classification.
