Tag: animal lore

Questions Related to animal lore

Assertion : Claspers of cartilage fishes are analogous to penis of human male.

Reason : Both act as copulatory organs and transfer the sperms into female.

  1. Both Assertion and Reason are true and Reason is a correct explanation of Assertion

  2. Both Assertion and Reason are true but Reason is not a correct explanation of Assertion

  3. Assertion is true but Reason is false

  4. Both Assertion and Reason are false

  5. Assertion is false but reason is true.


Correct Option: A
Explanation:

Claspers of cartilaginous fishes (sharks) is one pair between the pelvic fins. Claspers are analogous to penis of human male both act as copulatory organ and transfer the sperm into female.

Which of the following animals give birth to young ones?

  1. Ornithorhynchus and Echidna

  2. Macropus and Pteropus

  3. Balaenoptera and Homo sapiens

  4. Both (b) and (c)


Correct Option: D
Explanation:

An animal that is viviparous gives birth to young ones. The embryos are raised with special organs in the parents as they develop, those supply nutrients to the growing embryos. Example -Homo sapiens (humans), Macropus (Kangaroo), Pteropus (Flying fox), Camelus (Camel), Delphinus (Common dolphin), Balaenoptera (Blue whale).

So, the correct option is 'Both (b) and (c)'.

Which of the following statements is not correct regarding oviparous animals?

  1. Females lay fertilised/unfertilised eggs at a safe place

  2. Development of zygote takes place outside the female's body

  3. Examples of oviparous animals are all birds, most reptiles and egg-laying mammals

  4. None of these


Correct Option: D
Explanation:
Oviparous animals are animals that lay eggs. Fertilization can be external or internal, but hatching always takes place in the external environment, never in the mother's womb. Fish, amphibians, reptiles, birds and even occasionally some mammals, are oviparous. These animals usually lay their eggs in well-protected nests, where the embryo develops inside the egg before hatching. 
So, the correct option is 'none of these'.