Tag: classifications of chordata

Questions Related to classifications of chordata

Living fossil lizard of New Zeal and/Sphenodon belongs to___________.

zoology animal diversity - ii (phylum: chordata) amphibia and reptilia amphibia classifications of chordata

  1. Rhyncocephalia

  2. Squamata

  3. Chelonia

  4. Crocodilia

Show answer
Correct Option: A
Explanation:

Living fossil lizard of new zeal and sphenodon belongs to Rhyncocephalia. The single species of Tuatara is the only surmising member of its order, which flourished around 200 million years ago.

The extinct reptiles without temporal fossae belong to ______________.

zoology animal diversity - ii (phylum: chordata) amphibia and reptilia amphibia classifications of chordata

  1. Chelonia

  2. Synaptosauria

  3. Ichthyopterygia

  4. Cotylosauria

Show answer
Correct Option: D

Reptilian hipped dinosaurs belong to

zoology animal diversity - ii (phylum: chordata) amphibia and reptilia amphibia classifications of chordata

  1. Saurischia

  2. Lacertilia

  3. Ophidia

  4. Rhyncocephalia

Show answer
Correct Option: A

Vertebrae in sub-order ophidia are_______________.

zoology animal diversity - ii (phylum: chordata) amphibia and reptilia amphibia classifications of chordata

  1. Procoelous

  2. Acoelous

  3. Amphicoelous

  4. Heterocoelus

Show answer
Correct Option: A
Explanation:
  • The anterior middle portion of vertebrae is known as centrum and a posterior vertebral arch known as the neural arch. 
  • The procoelous vertebra is convex at the anterior side while convex at the posterior side. 
  • Ophidia is a suborder that includes snakes and reptiles and has procoelous vertebrae.
  • So option A is the correct answer

Bull frog of India is 

zoology animal diversity - ii (phylum: chordata) amphibia and reptilia amphibia classifications of chordata

  1. Rana tigerina

  2. Rana sylvatica

  3. Rana ecustesbeiana

  4. Rana esculenta

Show answer
Correct Option: A
Explanation:
The binomial nomenclature of the frog (bullfrog) is Rana tigerina. where Rana is the genus and the tigerina is the species.

Limbless amphibians belong to the order 

zoology animal diversity - ii (phylum: chordata) amphibia and reptilia amphibia classifications of chordata

  1. Anura

  2. Urodela

  3. Gymnophiona

  4. Lissamphibia

Show answer
Correct Option: C
Explanation:

The living amphibians are divided into three subclasses:

1. Apoda( also called Gymnophiona or caecilia) - Body is long, slender wormlike without limbs and tail and with minute dermal scales.
2. Urodela(also called Caudata) - Body is long, narrow comprising head, trunk and tail, with two pairs of equal sized limbs and without scales.
3. Anura( also called Salientia) - Body is short, broad, depressed comprising head and trunk, with hindlimbs much larger than the forelimbs for leaping and without scales.
So, the correct answer is 'Gymnophiona'.

Mid wife toad is 

zoology animal diversity - ii (phylum: chordata) amphibia and reptilia amphibia classifications of chordata

  1. Bufo

  2. Rana

  3. Pipa

  4. Alytes

Show answer
Correct Option: D
Explanation:

The options are all genus of different species of toad.

  • Bufo-toads of the family Bufonidae.
  • Rana-genus of holarctic toads,family-Ranidae.
  • Pipa-Star fingered toads,family-Pipidae.
  • Alytes-Mid-wife toads belonging to the family-Alytidae.
So, the correct answer is 'Alytes'.

Frog/Toad belongs to order 

zoology animal diversity - ii (phylum: chordata) amphibia and reptilia amphibia classifications of chordata

  1. Apoda

  2. Anura

  3. Urodela

  4. Caudata

Show answer
Correct Option: B
Explanation:

The order Anura includes the amphibians like the frogs and toad. The basic characteristics of Anura species are 

  • Species are four-legged and hindlimbs are longer than the forelegs which helps them to jump or leap.
  • They are external fertilizers that are the union of male and female gametes occurs outside the body of the female.
  • These species are vocal and make various noise.
So, the correct answer is 'Anura'.

Salientia is the alternate name of 

zoology animal diversity - ii (phylum: chordata) amphibia and reptilia amphibia classifications of chordata

  1. Anura

  2. Urodela

  3. Apoda

  4. None of the above

Show answer
Correct Option: A
Explanation:

Salientia is a Latin word which means 'to jump'. So, it is justified calling Anura as Salientia as frogs and toads have larger hindlimbs and forelimbs which helps them to leap. So, the correct answer is 'Anura'.

Salamander is a member of 

zoology animal diversity - ii (phylum: chordata) amphibia and reptilia amphibia classifications of chordata

  1. Aves

  2. Amphibia

  3. Mammalia

  4. Reptilia

Show answer
Correct Option: B
Explanation:

The characteristics of salamanders are as followed:

  • They have soft, wet skin like a frog to adapt in a wet environment.
  • They lay spawns where the tadpoles will hatch like frogs.
  • Also, they have gills, lungs for respiration in water and land respectively.
  • These are main characteristics that Amphibians show. 

Aves are birds and salamanders aren't one of them. Salamanders lay eggs so they can't be grouped under Mammalia. Reptiles have no wet skins, respiration is through lungs(absence of gills).
So, the correct answer is 'Amphibia'.