CBSE/NCERT/Exercises/Class_11_Biology
Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
BioNotesBioNotesCreated by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Online
Exercises and Questions on The Living World - NCERT Class 11 Biology
Subject: Biology
Class: 11
Topic: The Living World
The number of species that are known and described range between: a) 1.5-1.6 million b) 1.7-1.8 million c) 1.9-2.0 million d) 2.1-2.2 million
ICBN stands for: a) International Code for Biological Nomenclature b) International Code for Botanical Nomenclature c) International Class for Biological Nomenclature d) International Class for Botanical Nomenclature
Binomial nomenclature was given by: a) Ernst Mayr b) Carolus Linnaeus c) Charles Darwin d) Lamarck
In Mangifera indica Linn., 'Linn.' indicates: a) Latin origin b) Linnaeus described it first c) Locality of the plant d) Type of species
The basic unit of classification is: a) Genus b) Species c) Order d) Kingdom
Which of the following represents the correct sequence of taxonomic categories in ascending order? a) Species → Genus → Family → Order → Class → Phylum → Kingdom b) Kingdom → Phylum → Class → Order → Family → Genus → Species c) Species → Genus → Order → Family → Class → Phylum → Kingdom d) Species → Genus → Family → Class → Order → Phylum → Kingdom
Taxonomy includes: a) Identification b) Nomenclature c) Classification d) All of these
Systematics takes into account: a) Morphological characters b) Evolutionary relationships c) Ecological information d) None of these
The scientific name of housefly is: a) Homo sapiens b) Mangifera indica c) Musca domestica d) Triticum aestivum
Which category includes related orders? a) Family b) Class c) Phylum d) Genus
1. Why are living organisms classified?
2. Why are the classification systems changing every now and then?
3. What different criteria would you choose to classify people that you meet often?
4. What do we learn from identification of individuals and populations?
5. Given below is the scientific name of Mango. Identify the correctly written name.
6. Define a taxon. Give some examples of taxa at different hierarchical levels.
7. Can you identify the correct sequence of taxonomical categories? (a) Species → Order → Phylum → Kingdom (b) Genus → Species → Order → Kingdom (c) Species → Genus → Order → Phylum
8. Try to collect all the currently accepted meanings for the word ‘species’. Discuss with your teacher the meaning of species in case of higher plants and animals on one hand, and bacteria on the other hand.
9. Define and understand the following terms: (i) Phylum (ii) Class (iii) Family (iv) Order (v) Genus
10. Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.