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Biology NEET - XI: Chapter 4: Animal Kingdom Part 4

Biology25 CardsCreated about 2 months ago

This flashcard deck covers key concepts from Chapter 4 of the Biology NEET syllabus, focusing on the Animal Kingdom. It includes questions and answers on various organisms, their characteristics, and classifications.

Which organisms are agnathous chordates?

Cyclostomata
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Key Terms

Term
Definition
Which organisms are agnathous chordates?
Cyclostomata
What type of circulation is found in cyclostomata?
Closed type
How do cyclostomes die?
They migrate from marine environment to freshwater for spawning and die.
What type of scales do cyclostomata have?
None
Cyclostomata are devoid of any paired fins. True or false?
True
What is the common name of Pteromyzon?
Lamprey

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TermDefinition
Which organisms are agnathous chordates?
Cyclostomata
What type of circulation is found in cyclostomata?
Closed type
How do cyclostomes die?
They migrate from marine environment to freshwater for spawning and die.
What type of scales do cyclostomata have?
None
Cyclostomata are devoid of any paired fins. True or false?
True
What is the common name of Pteromyzon?
Lamprey
What is the common name of myxine?
Hagfish
What happens to the notochord of chondricthyes?
Persistent throughout life
Which scales are present in chondrichthyes?
Placoid scales
What are teeth of chondrichthyes made of?
Placoid scales
In what direction are teeth of chondrichthyes directed?
Backward
Which chondrichthye has electric organs?
Torpedo
Which chondrichthye possesses poison sting?
Trygon
Which fins of male sharks bear claspers?
Pelvic fins
What is the common name of Pristis?
Saw fish
What is the other name of sting ray?
Trygon
What is the common name of Carcharodon?
Great white shark
What type of mouth do bony fishes have?
Terminal
How many pairs of gills do bony fishes have?
Four
Which type of scales do bony fishes have?
Ctenoid/cycloid scales
Exocoetus is commonly called
Flying fish
What is the scientific name of Magur?
Clarias
What is the scientific name of angel fish?
Pterophyllum
Which organism is also called the tree frog?
Hyla
Which class does Icthyophis belong to?
Amphibia