Question

17. G. M. Smith classified bryophytes into ....... classes
a) Three (b) Two (c) Four (d) Five​

Answer 1

Answer:

G.M. smith classified bryophytes in three classes : Hepaticae, Anthocerotae and Musci

Answer 2

Answer:

The right answer is a) Three.

Explanation:

• According to the latest classification by G. M. Smith, Bryophyta is divided into three classes:

1. Hepaticopsida commonly known as (Liverworts)
2. Anthocerotopsida commonly known as (Hornworts)
3. Bryopsida commonly known as (Mosses).

• Hepaticopsida (liverworts): The word hepaticopsida is derived from the word "hepatic" which primarily means liver.
• Liverworts belongs to this class. Liverworts is one of the moss plant species belonging to this group.
• About 900 species are present.
• Anthocerotopsida (Hornworts): 300 species are present in this class. They are commonly called  as hornworts.
• It has only one order i.e. called Anthocerotales. Few examples of the order are: Megaceros, Notothylas and Anthoceros.
• Bryopsida (Mosses): Amongst the Bryophyta is the largest class and has about 1400 species.
• The common name for Bryopsida is mosses.  
• Most mosses, like the liverworts, like to grow in wet environments but they also grow equally very well in relatively dry environments, unlike other bryophytes which do not.