Question

Fragmentation is observed in
A. Fungi
B. Mosses
C. Some angiosperms
D. Filamentous algae
1. All except ‘a’
2. All except ‘c’
3. All except ‘b’
4. A, B, C, D

Answer 1

Hint: Most angiosperms reproduce sexually. Asexual reproduction results when one parent makes identical offspring to the parent. In this method, the mature cell divides and reproduces its form.

Complete answer:
Fungi Show fragmentation through its body part called a thallus which when split off can produce a new colony of fungi. It is a simple cell division when one cell divides into two daughter cells and thus a form new individual.
Mosses live in harsh living conditions. They can also reproduce asexually by the process of fragmentation. When a part of moss is ripped off it can grow to a new plant.
Angiosperms show asexual reproduction by budding, micro-propagation, apomixis, etc. it does not reproduce by fragmentation. Most of the angiosperms have sexual reproduction through pollination where the male and female gametophyte mate to reproduce the offspring.
Filamentous Algae breaks into several parts or fragments and each fragment develops into a new individual. It is commonly seen in blue-green algae.

Hence, the correct answer is option (2).

Note: Fragmentation is an asexual type of reproduction mostly seen in plants and small algae.
Some form of asexual reproduction is observed in angiosperms but it is not fragmentation.
Angiosperms are present in flowers and most flowers have sexual reproduction.