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Chapter 2: Biological Classification
Chapter 3: Plant Kingdom
Chapter 4: Animal Kingdom
Chapter 5: Morphology of Flowering Plants
Chapter 6: Anatomy of Flowering Plants
Chapter 7: Structural Organisation in Animals
Chapter 8: Cell : the Unit of Life
Chapter 9: Biomolecules
Chapter 10: Cell Cycle and Cell Division
Chapter 11: Transport in Plants
Chapter 12: Mineral Nutrition
Chapter 13: Photosynthesis in Higher Plants
Chapter 14: Respiration in Plants
Chapter 15: Plant Growth and Development
Chapter 16: Digestion and Absorption
Chapter 17: Breathing and Exchange of Gases
Chapter 18: Body Fluids and Circulation
Chapter 19: Excretory Products and Their Elimination
Chapter 20: Locomotion and Movement
Chapter 21: Neural Control and Coordination
Chapter 22: Chemical Coordination and Integration
Chapter 1: The Living World
NCERT solutions for Biology Exemplar class 11 Chapter 1 The Living World Exercises [Pages 1 - 4]
MULTIPLE CHOICE QUESTIONS
As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics ______.
May increase or decrease
Which of the following ‘suffixes’ used for units of classification in plants indicates a taxonomic category of ‘family’?
The term ‘systematics’ refers to ______.
Identification and study of organ systems of plants and animals
Identification and preservation of plants and animals
Diversity of kinds of organisms and their relationship
Study of habitats of organisms and their classification
Genus represents ______.
An individual plant or animal
A collection of plants or animals
A group of closely related species of plants or animals
None of these
The taxonomic unit ‘Phylum’ in the classification of animals is equivalent to which hierarchical level in classification of plants.
Botanical gardens and zoological parks have ______.
Collection of endemic living species only
Collection of exotic living species only
Collection of endemic and exotic living species
Collection of only local plants and animals
Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of ______.
Both Monographs and Flora
None of these
All living organisms are linked to one another because ______.
They have common genetic material of the same type
They share common genetic material but to varying degrees
All have common cellular organisation
All of the above
Which of the following is a defining characteristic of living organisms?
Ability to make sound
Response to external stimuli
Match the following and choose the correct option:
|Column I||Column II|
|A. Family||i. Tuberosum|
|B. Kingdom||ii. Polymoniales|
|C. Order||iii. Solanum|
|D. Species||iv. Plantae|
|E. Genus||v. Solanacea|
A - v, B - iv, C - ii, D - i, E - iii
A - iv, B - iii, C - v, D - ii, E - i
A - iv, B - iii, C - v, D - i, E - ii
A - iv, B - iii, C - ii, D - v, E - i
VERY SHORT ANSWER TYPE QUESTIONS
Linnaeus is considered as Father of Taxonomy. Name two other botanists known for their contribution to the field of plant taxonomy?
What does ICZN stand for?
Couplet in taxonomic key means.
What is a Monograph?
Amoeba multiplies by mitotic cell division. Is this phenomena growth or reproduction? Explain.
Which is the largest botanical garden in the world? Name a few well known botanical gardens in India.
SHORT ANSWER TYPE QUESTIONS
A ball of snow when rolled over snow increases in mass, volume and size. Is this comparable to growth as seen in living organisms? Why?
In a given habitat we have 20 plant species and 20 animal species. Should we call this as ‘diversity’ or ‘biodiversity’? Justify your answer.
International Code of Botanical Nomenclature (ICBN) has provided a code for classification of plants. Give hierarchy of units of classification botanists follow while classifying plants and mention different ‘Suffixes’ used for the units.
A plant species shows several morphological variations in response to altitudinal gradient. When grown under similar conditions of growth, the morphological variations disappear and all the variants have common morphology. What are these variants called?
How do you prepare your own herbarium sheets? What are the different tools you carry with you while collecting plants for the preparation of a herbarium? What information should a preserved plant material on the herbarium sheet provide for taxonomical studies?
What is the difference between flora, fauna and vegetation? Eichhornia crassipes is called as an exotic species while Rauwolfia serpentina is an endemic species in India. What do these terms exotic and endemic refer to?
A plant may have different names in different regions of the country or world. How do botanists solve this problem?
Brinjal and potato belong to the same genus Solanum, but to two different species. What defines them as seperate species?
Properties of cell organelles are not always found in the molecular constituents of cell organelles. Justify.
The number and kinds of organism is not constant. How do you explain this statement?
LONG ANSWER TYPE QUESTIONS
What is meant by living? Give any four defining features of life forms.
A scientist has come across a plant which he feels is a new species. How will he go about its identification, classification and nomenclature?
Brassica campestris Linn
- Give the common name of the plant.
- What do the first two parts of the name denote?
- Why are they written in italics?
- What is the meaning of Linn written at the end of the name?
What are taxonomical aids? Give the importance of herbaria and museums. How are Botanical gardens and Zoological parks useful in conserving biodiversity?
Define a taxon. What is meant by taxonomic hierarchy. Give a flow diagram from the lowest to highest category for a plant and an animal. What happens to the number of individuals and number of shared characters as we go up the taxonomical hierarchy?
A student of taxonomy was puzzled when told by his professor to look for a key to identify a plant. He went to his friend to clarify what ‘Key’ the professor was refering to? What would the friend explain to him?
Metabolism is a defining feature of all living organisms without exception. Isolated metabolic reactions in vitro are not living things but surely living reactions. Comment.
Do you consider a person in coma-living or dead?
What is the similarity and dissimilarity between “whole moong daal” and “broken moong daal” in terms of respiration and growth? Based on these parameters classify them into living or nonliving?
Some of the properties of tissues are not the constituents of its cells. Give three examples to support the statement.
Chapter 1: The Living World
NCERT solutions for Biology Exemplar class 11 chapter 1 - The Living World
NCERT solutions for Biology Exemplar class 11 chapter 1 (The Living World) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Biology Exemplar class 11 solutions in a manner that help students grasp basic concepts better and faster.
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Concepts covered in Biology Exemplar class 11 chapter 1 The Living World are What is ‘Living’?, Diversity in the Living World, Diversity in the Living World, Taxonomic Hierarchy of Living Organisms: Unit of Classification, Taxonomical Aids.
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