Question

Which of the following birds is viviparous?
A. Ostrich
B. Penguin
C. Albatross
D. None.

Answer 1

Hint: Living organisms can be divided into two categories that is, oviparous and viviparous. Oviparous are those that lay eggs and do not give birth directly to fully developed organisms, example hen. Viviparous are those who give birth to fully developed organisms, example humans.

Complete answer:
By definition, we know that oviparous are those organisms which lay eggs and viviparous are those who give birth to fully developed new organisms. Let’s discuss all available options.
Option ‘A’ is ostrich: These are the spices of large flightless organisms, which are famous for their eggs. Because these birds lay the largest egg of the world. Thus, ostriches are oviparous.
Option ‘B’ is Penguin: These are also birds which cannot fly and live in water. They mainly live in the southern hemisphere, only one species is found in the northern hemisphere. Mostly penguins feed on fishes, squid, etc. They can swim in the water. They lay eggs for reproduction thus, they are oviparous.
Option ‘C’ is Albatross: These are groups of seabirds, found largely in southern oceans and north oceans. They are large in size and feed on fishes present in sea and catch them during their flights. Albatrosses lay eggs for the reproduction thus they are known as oviparous organisms.
Option ‘D’ is none.

So, after discussing all options, we can conclude that all given birds are oviparous, that means, the correct option is option ‘D’.

Note: Ostriches are normally weighed from 63 Kg to 145 Kg, about two adult human beings. So, these are large in size as well. Birds do not show characteristics of viviparous organisms. Viviparous organisms are mostly vertebrates that are fishes, amphibians, reptiles and mammals.