Tag: classifications of chordata

Questions Related to classifications of chordata

Which animals give below have been classified INCORRECTLY?

  1. Ant and Eel

  2. Sea lion and Eel

  3. Eel and Bat

  4. Sea lion and Bat


Correct Option: A

The order to which human belongs to is 

  1. Hominidae

  2. Mammalia

  3. Chordata

  4. Primates


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 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'.

Amongst the following mammals which of the following is a monotreme?

  1. Macropus(Kangaroo)

  2. Ornithorhynchus(Platypus)

  3. Balaenoptera(Blue whale)

  4. Elephas(Elephant)


Correct Option: B

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


Correct Option: A

Which is the common group that includes man and monkeys?

  1. Hominidae

  2. Prosimian

  3. Cercopithecoidea

  4. Primates


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 

  1. Spiny anteater

  2. Scaly anteater

  3. Two eyed anteater

  4. Banded anteater


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 ____________.

  1. Penguin

  2. Humming bird

  3. Albatross

  4. None of these


Correct Option: D

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


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

  1. Artiodactyla

  2. Perissodactyla

  3. Proboscidea

  4. All the above


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 _________________.

  1. Crocodile, Turtle and Seymouria

  2. Sphenodon, Crocodile and Viper

  3. Matrix, Draco and Turtle

  4. Calotes, Cobra and Varanosaurus


Correct Option: B