Tag: animal diversity - ii (phylum: chordata)

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

An example of marsupialia is

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

  1. Elephant

  2. Horse

  3. Macropus

  4. Rabbit

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Correct Option: C
Explanation:

Marsupial mammals are also known as pouch mammals. Due to very short gestation periods, the offsprings are poorly developed and are carried in the pouches till they develop. Macropus classifies as a Marsupialia due to these reasons.

Rabbits, Horses and Elephants produce well-developed offsprings and have long gestation periods. Hence they aren't considered as marsupials.
So the correct answer is 'Macropus'.

Closest primate relative of human being is

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

  1. Rhesus Monkey

  2. Gorilla

  3. Gibbon

  4. Orang Utan

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Correct Option: B
Explanation:

Rhesus monkey, Gibbon, Gorilla, and Orangutan all have common ancestors with human beings. 

Gibbon separated from the main ancestral line around 28 million years ago.
Rhesus monkey separated around 25 million years ago.
Orangutan separated from the main line about 18 million years ago.
Whereas Gorillas separated only some 10 million years ago.
So the correct answer is 'Gorilla'.

Most animals domesticated by humans belong to

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

  1. Carnivora

  2. Rodentia

  3. Logomorpha

  4. Ungulata

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Correct Option: D
Explanation:

Ungulata contains Cattle, pigs, camels, deer, etc. All these animals are domesticated throughout the world.

Carnivora contains carnivores like cats, wolves, lion, tiger, leopard, etc.
Rodentia include rat, mus, hamster, squirrel, etc.
Lagomorpha includes Hare, Leporids, Pika, etc. 
So the correct answer is 'Ungulata'.

Sea Cows belong to

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

  1. Sirenia

  2. Cetacea

  3. Lagomorpha

  4. Proboscidia

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Correct Option: A
Explanation:

Sea cows belong to the order Sirenia which is included in Mammals.

Some common characteristics of Sirenia are:
1. They are predominantly aquatic.
2. They are herbivores.
3. They have large fusiform bodies.

Prototheria or subclass of egg laying mammals is connected with

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

  1. Kangaroo

  2. Echidna

  3. Ornithorhyncus

  4. Both B and C

Show answer
Correct Option: D
Explanation:

Prototheria includes Ornithorhynchus (Platypus) and all species of Echidna. This subclass once dominated the Australian continent.

Kangaroo belongs to the subclass Metatheria.
So the correct option is 'Both B and C'.

Orangutan belongs to family

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

  1. Hominidae

  2. Pongidae

  3. Hyalobatidae

  4. Bradipolidae

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Correct Option: A
Explanation:

Orangutan belongs to the family Hominidae which is the family of the great apes. General characteristics of this family are:

1. Hair instead of fur on their bodies.
2. Advanced opposable thumbs.
3. High level of intelligence or high brain to body size ratio.
4. They have binocular vision.
So the correct answer is 'Hominidae'.

Which of the following is a mammal?

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

  1. Psittacula

  2. Manis

  3. Planorbis

  4. Hydrophis

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Correct Option: B
Explanation:

Mammals are warm-blooded animals. They have mammary glands. They are viviparous. They have hair or fur on their body. For example, dog, cat, dolphin, human, whale, etc. Psittacula is a bird. Manis is a genus of Pangolins. These are mammals of the order Pholidota. Planorbis is a Mollusca. Hydrophis is a type of snake.

So, the correct option is 'Manis'.

Order Insectivora belongs to

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

  1. Class mammalia

  2. Class insecta

  3. Phylum arthropoda

  4. Phylum echinodermata

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Correct Option: A
Explanation:

Order Insectivora belongs to the Class Mammalia as they are small, furry mammals. Like all other mammals, they give birth to young ones, have mammary glands and diaphragm.

General Characteristics of Insectivora are:
1. They are the Third largest group of Mammals.
2. They are very small in size.
3. Their skin is covered with fur or spines.
So the correct answer is 'Class Mammalia'. 

Bat is a member of order

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

  1. Chiroptera

  2. Urodela

  3. Hymenoptera

  4. Lagomorpha

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Correct Option: A
Explanation:

Bats belong to the order Chiroptera.

General Characteristics of Chiroptera are:
1. Forelimbs modified to wing membranes.
2. Only mammals having ability to fly.
3. Elongated digits.
So, the correct answer is 'Chiroptera'. 

Cloaca is

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

  1. Absent in mammals

  2. Found in prototheria

  3. Present in all fishes

  4. Both B and C

Show answer
Correct Option: B
Explanation:

Though cloaca is not present in all mammals but it is found in monotremes or Protherians.

All Protherians have cloaca.
In case of fishes only elasmobranch fishes have cloaca and not all fishes.

So the correct answer is 'Found in Prototheria'.