Cryptogams-Bryophytes (IFS Botany (Mains)): Questions 1 - 4 of 4

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Question number: 1

» Cryptogams » Bryophytes

Appeared in Year: 2015

Essay Question▾

Describe in Detail

With the help of suitable diagrams, describe the development of sporophyte in bryophytes. (Paper-1, Section-A)

Explanation

Development of sporophyte in bryophytes

Development of Sporophyte in Bryophytes

Understanding the development of sporophyte in bryophytes

  • A sporophyte is created by sexual reproduction of the gametophyte generation.

  • Gametophytes make haploid unicellular gametes, or sperm and eggs.

  • When a sperm cell fuses with an egg cell, this is called fertilization.

  • It creates a unicellular diploid… (121 more words) …

Question number: 2

» Cryptogams » Bryophytes

Appeared in Year: 2014

Short Answer Question▾

Write in Short

What is the heterotrichous habit of moss protonema growth? (Paper A Section A)

Question number: 3

» Cryptogams » Bryophytes

Appeared in Year: 2014

Essay Question▾

Describe in Detail

Draw scientifically accurate diagrams of the following and label the parts: L. S. of capsule of Funaria (Paper - 1, Section - B)

Explanation

Image showing L.S. of capsule of Funaria

Image Showing L. S. Of Capsule of Funaria

Capsule is a part of sporophyte and the sporophyte in Funaria is called as sporogonium and is green in colour while is young and become reddish brown at mature.

Funaria capsule:

  • A mature sporogonium or sporophyte of Funaria is borne at the… (191 more words) …

Question number: 4

» Cryptogams » Bryophytes

Appeared in Year: 2013

Essay Question▾

Describe in Detail

Discuss briefly the following: Economic importance and distribution of Bryophytes (Paper 1, Section A)

Explanation

Economic importance of Bryophytes:

  • Protection from soil erosion: Bryophytes, especially mosses, form dense mats over the soil and prevent soil erosion by running water.

  • Soil formation: Mosses are an important link in plant succession on rocky areas. They take part in binding soil in rock crevices formed by lichens. Growth… (377 more words) …

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