Tag: animal diversity - ii (phylum: chordata)

Questions Related to animal diversity - ii (phylum: chordata)

Which one of the following statements is false in respect of viability of mammalian sperm?

zoology animal diversity - ii (phylum: chordata) aves and mammalia classifications of chordata aves

  1. Sperm is viable for only up to $24$ hours

  2. Survival of sperm depends on the pH of the medium and is more active in alkaline medium

  3. Viability of sperm is determined by its motility

  4. Sperms must be concentrated in a thick suspension

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Correct Option: A

Which is the common group that includes man and monkeys?

zoology animal diversity - ii (phylum: chordata) aves and mammalia classifications of chordata aves

  1. Hominidae

  2. Prosimian

  3. Cercopithecoidea

  4. Primates

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Correct Option: D
Explanation:

Humans belong to the order Primates. This group includes lemurs, monkeys, apes, humans and all other related groups of animals. They happen to be the most advanced group of animals. They are found all across the globe as they have evolved to a number of habits and habitats and are still undergoing evolutionary changes in order to survive better.

So, the correct answer is 'Primates'.

Which of the following mammals does not have a pinna, nipple and uterus but has an abdominal testis 

zoology animal diversity - ii (phylum: chordata) aves and mammalia classifications of chordata aves

  1. Spiny anteater

  2. Scaly anteater

  3. Two eyed anteater

  4. Banded anteater

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Correct Option: A
Explanation:

  • Prototherians are primitive egg-laying mammals.
  • They have mammary glands but do not have nipples.
  • In males, the testes are situated inside the abdominal cavity.
  • They do not have pinnae.
A. Spiny anteater is an egg-laying mammal or Prototherian.
B. Scaly anteater is a Eutherian or placental mammal.
C. Two-eyed anteater or giant anteater is also a Eutherian.
D. Banded anteater is also known as marsupial anteater is a Metatherian or pouched mammal (but these marsupials lack a pouch).
So, the correct answer is the 'Spiny anteater'.

Which of the following bird is viviparous ____________.

zoology animal diversity - ii (phylum: chordata) aves and mammalia classifications of chordata aves

  1. Penguin

  2. Humming bird

  3. Albatross

  4. None of these

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Correct Option: D

Identify and select the correct Match in the Columns I, II and III.

zoology animal diversity - ii (phylum: chordata) aves and mammalia classifications of chordata aves

  1. I - Earthworm; II - Annelida; III - Superclass

  2. I - Frog; II - Rana; III - Species

  3. I - Lancelet; II - Vertebrata; III - Division

  4. I - Walrus; II - Mammalia; III - Class

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Correct Option: D
Explanation:
An earthworm is a tube-shaped, segmented worm found in the phylum Annelida. As Annelida is a phylum, it is incorrect match.
There are several species of frogs such as Rana tigrina ( Asian bullfrog), Rana temporaria (common frog) etc. As Rana is a genus name and not species one, it is incorrect match.
Lancelet are small elongated marine invertebrate that resembles a fish. As they are invertebrate, the match is incorrect.
The walrus (Odobenus rosmarus) is a large Arctic marine mammal. Also as it belongs to class mammal;
hence answer is 'I - Walrus; II - Mammalia; III - Class'

Ruminants belong to

zoology animal diversity - ii (phylum: chordata) aves and mammalia classifications of chordata aves

  1. Artiodactyla

  2. Perissodactyla

  3. Proboscidea

  4. All the above

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Correct Option: A
Explanation:

(A) Artiodactyla order consists of cloven-hooved mammals. Example-Cows, goats.

(B) Perissodactyla order consists of odd-toed ungulates (mammals). Example-Zebras.
(C) Proboscidea order consists of afrotherian mammals. Example-Elephants.
The correct answer is 'Artiodactyla'.

Diapsid skullis found in the following _________________.

zoology animal diversity - ii (phylum: chordata) aves and mammalia classifications of chordata aves

  1. Crocodile, Turtle and Seymouria

  2. Sphenodon, Crocodile and Viper

  3. Matrix, Draco and Turtle

  4. Calotes, Cobra and Varanosaurus

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Correct Option: B

Prosimians differ from simians in

zoology animal diversity - ii (phylum: chordata) aves and mammalia classifications of chordata aves

  1. Having claws instead of nails.

  2. Having claws in some of the digits.

  3. Having shorter hind limbs

  4. Presence of tail

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Correct Option: B
Explanation:

  • Prosimians include The lemurs, lorises and tarsiers and Simians include The monkeys, apes and man.
  • Prosimians are primitive primates. They retain claws on some digits, having nails on others. The hindlimbs are longer than forelimbs. The tail may be present or lacking.
  • Simians have nails on the digits. Forelimbs are longer than the hindlimbs. The tail may or may not occur.
So, the correct answer is 'having claws in some of the digits'.

Birds can fly in the air because they

zoology animal diversity - ii (phylum: chordata) aves and mammalia classifications of chordata aves

  1. Are small

  2. Are lighter than air

  3. Push more air behind

  4. All of these

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Correct Option: C
Explanation:

The birds can lift their body and fly in the air due to the capability that the wings have the structure to push the air in the backward direction. This allows the bird to fly upward and forward by applying force and moving the air back.

Thus, the correct answer is option C. 

Which is not a bird __________.

zoology animal diversity - ii (phylum: chordata) aves and mammalia classifications of chordata aves

  1. Columba

  2. Testudo

  3. Pavo

  4. Struthio

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Correct Option: B