UPSC Mains BOTANY-PAPER-I 2013

Role of microbes in medicine industry

Various kinds of biofertilizers and their uses

Different types of life cycles found in algae

Types of protosteles

Lysogenic type of life cycle in viruses

With the help of suitable diagrams, describe the life cycle of a heteroecious rust.

Describe the various methods of genetic recombination in bacteria.

Discuss the importance of totipotency in tissue culture.

LS of antheridiophore of Funaria

LS of sporophyte of Anthoceros

Section through a sorus of fern

Female thallus with archegoniophore of Marchantia

Wilt of Arhar

Green ear disease of Bajra

Tundu disease of Wheat

Red rot of Sugarcane

Beta taxonomy

NPC system

Application of palynology

Distribution of cycads in India

Double fertilization

Write an account of the floral structure of each of the following families. Give the botanical names of three important plant species belonging to each of the three families and specify their uses.

Poaceae

Liliaceae

Asclepiadaceae

Types of endosperms

Types of ovules

Apomixis

Give the botanical names of ten important fibre-yielding plants and describe their uses.

Compare and contrast Bentham and Hooker's system of classification with Hutchinson's system of classification.