Question

The offspring grow out from the parent’s body in
A. Hydra
B. Animals
C. Paramecium
D. Human

Answer 1

Hint: The mode of reproduction is different in different organisms. Advanced organisms have a sexual and advanced mode of reproduction whereas primitive organisms have an asexual or easy mode of reproduction.

Complete answer: 1. Hydra: Hydra is one of the primitive organism which simply increases their number by Asexual mode of reproduction. Hydra reproduces by the process of budding in which an extra overhanging part appears on the Hydra and after some time is developed into an independent organism.
2. Animals: Animals are a wide kingdom according to the hierarchy of classification it presents on the top of the list. Different types of organisms are present in the animal kingdom which have a different mode of reproduction some by asexual some by sexual, some of them lay eggs where some give birth to the young once.
3. Paramecium: Paramecium is a single-celled organism with a slipper-like shape, consists of cilia on its body to move in water as it is an aquatic organism. The mode of reproduction in paramecium is asexual, it increases its number by the process of binary fission, mode of reproduction.
4. Human: Humans are the most advanced organism on the earth until now.
Humans reproduce sexually and give birth to the young once.

So, the correct answer is “Option D”.

Note: The organisms who give birth to the young once and feed them by the mammary gland are known as the oviparous organisms. Humans are one of the most advanced oviparous organisms.