Intermediate first year botany study material

Chapter -1: the living world

When we look at the living world we see a lot of variety. There are millions of plants and animals and there are some which still remain unknown. Thus, chapter 1 in class 11 biology textbook deals with the study of kinds and diversity of organisms. Here students will learn about certain rules and principles for identification, nomenclature and classification of organisms. The will basically be introduced to the idea of taxonomy. To help students learn and master the concepts in an easy manner

VSAQ SECTION-A

Q1.THE LIVING WORLD

• What does ICBN stand for?

A: ICBN stands for International Code for Botanical Nomenclature.
It is used to name the identified organism.

•     What is flora?

A: Flora is a book containing the actual account of habitat, distribution and systematic listing of plants of a given area.

• Which is the largest botanical garden in the World? Name a few well known botanical gardens in India.

A: 1. Royal Botanical Garden(RBG) at Kew(England) is the Largest Botanical garden in the World,

2. Well known botanical gardens in India: (i) Indian Botanical Garden, Howrah (Kolkata)

(ii) National Botanical Research Institute, Lucknow.

• Define the terms 'couplet' and 'lead' in taxonomic key.
  A: 1. Couplet: The keys based on the contrasting characters in a pair of statements are called couplet.

2. Lead: Each statement in the key is called a lead.

• What is meant by manuals and monographs?

A: 1. Manual is a small book designed for ready reference. It provides information for identification of number of

species found in an area. 2. Monograph is a specialist book written on a single  (any one) taxon.

• What is the basic unit of classification? Define it.
  A: 1. Species is the basic unit of classification.

2. Species is a group of individual organisms with fundamental similarities.