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Biology NEET - XI: Chapter 4: Animal Kingdom Part 11

Biology39 CardsCreated about 2 months ago

This deck covers key questions and answers from Chapter 4 of the Biology NEET syllabus, focusing on the Animal Kingdom. It includes information on various animal phyla, their characteristics, and specific biological concepts.

Acorn worm is the common name of

Hemichordata
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Key Terms

Term
Definition
Acorn worm is the common name of
Hemichordata
Which subphylum is chordate but acraniate?
Protochordate
Which chordate subphylum show retrogressive metamorphosis?
Urochordates
What type of fertilization if found in urochordates?
External fertilization
What is commonly called sea squirt/sea potato?
Herdmania
What is the excretory cell in cephalochordates?
Solenocyte

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TermDefinition
Acorn worm is the common name of
Hemichordata
Which subphylum is chordate but acraniate?
Protochordate
Which chordate subphylum show retrogressive metamorphosis?
Urochordates
What type of fertilization if found in urochordates?
External fertilization
What is commonly called sea squirt/sea potato?
Herdmania
What is the excretory cell in cephalochordates?
Solenocyte
What happens to notochord in cyclostomes?
Persists throughout lilfe
What is the endoskeleton of cyclostomes made of?
Cartilage
What is the larval stage of cyclostomes?
Ammocete larva
Which is the ear ossicle found in amphibians and reptiles?
Columella auris
Axolotle larva is found in
Salamander
Amnion is present in
Reptiles, Aves and Mammalia
What type of kidney is found in amphibians?
Mesonephric kidney
What type of kidney is found in reptiles?
Metanephric kidney
Which is a living fossil and a reptile?
Tuatara
Flying lizard is called
Draco
Ophinosaurus is called
Limbless lizard
Which snake is viviparous?
Viper
What is the study of lizards called?
Saurology
Where are preen glands found in birds?
Near tail
Which tetrapods don't have forelimbs?
Aves
What is keel is birds?
Site of attachment of flight muscles
What is the wish bone made of?
Collar bone
What is pygostyle?
Tail vertebrae fuse to form pygostyle
RBC's of birds are
Nucleated
What type of kidney do birds posses?
Metanephric kidney
What is crop milk?
Crop milk is a secretion from the lining of the crop of parent birds that is regurgitated to young birds.
How many ovaries are present in birds?
Only one, right ovary absent
Impennae class of aves comprises of
Aquatic birds
Ratitae class of aves comprises of
Flightless birds
Carnate class of aves comprises of
Living, flying birds
Dicondylic skull is found in class
Amphibia and mammalia
What is different about the mammary glands of prototherian mammals?
No teats
Cloaca is present in which mammals?
Prototherians
How many vaginas and uteri are present in metatherians?
Two each
What is the difference between scrotom of metatherians and eutherians?
Metatherians- scrotum is in front of penis | Eutherians- scrotum is behind penis
Which phyla have closed circulatory system?
Annelida, cephalopod molluscs, cephalochordata and vertebrates
What is the difference between cnidocyte and nematoblast?
Cnidocyte: Cnidocyte refers to a specialized cell, containing cnidocyst, which is involved in capturing the prey in cnidarians. Nematocyst: Nematocyst refers to an organelle inside the cnidocyte, consisting of an ejectable thread that causes a sting.
Is a copulatory organ found in all reptiles?
Copulatory organs are found in all reptiles except Sphenodon (tuatara)