Tag: aves

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

An egg-laying mammals is

  1. Echidna

  2. Bat

  3. Whale

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Egg laying mammals are known as monotremes. They are named so because of the presence of a single cloacal opening in their bodies that serves as a passage for eggs or sperms, feces, and urine. As suggested by egg-laying mammal facts, only five species of monotremes are extant, one of which is duck-billed platypus and remaining four belong to the echidna family. 

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

The order to which human belongs to is 

  1. Hominidae

  2. Mammalia

  3. Chordata

  4. Primates
Reveal answer Fill a bubble to check yourself
D Correct answer
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 as 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'.

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

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

  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
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Mammalian sperm viability is generally much longer than 24 hours in the female reproductive tract, often lasting several days depending on the species.

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

Which is the common group that includes man and monkeys?

  1. Hominidae

  2. Prosimian

  3. Cercopithecoidea

  4. Primates
Reveal answer Fill a bubble to check yourself
D Correct answer
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'.

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

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

  1. Spiny anteater

  2. Scaly anteater

  3. Two eyed anteater

  4. Banded anteater
Reveal answer Fill a bubble to check yourself
A Correct answer
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'.

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

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

  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
Reveal answer Fill a bubble to check yourself
D Correct answer
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'
Multiple choice zoology animal diversity - ii (phylum: chordata) aves and mammalia classifications of chordata aves

Ruminants belong to

  1. Artiodactyla

  2. Perissodactyla

  3. Proboscidea

  4. All the above
Reveal answer Fill a bubble to check yourself
A Correct answer
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'.