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CBSE 11th Standard Biology Subject The Living World Ncert Exemplar 2 Marks Questions With Solution 2021

Published on: 27/05/2021

QB365 Provides the NCERT Exemplar Question Papers for Class 11 Biology , and also provide the detail solution for each and every ncert exemplar papers. Ncert Exemplar papers will help to get more idea about question pattern in every exams and also will help to get more marks in Exams

Download CBSE Class 11th Standard CBSE Biology question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 11th Standard CBSE Biology

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Std: 11th Standard CBSE - Biology

chapter: - NCERT Exemplers

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Questions:

Generic 2

4 x 2 = 8

A plants 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 two different species. What defines them as separate species?

In a given habitat we have 20 plant species and 20 animal species. Should we call it as 'diversity' or 'biodiversity'? Justify your answer.

The number and kinds of organisms are not constant. How do you explain this statement ?

Generic 5

1 x 5 = 5

Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.

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Answers Key:

Generic 2

4 x 2 = 8

Botanists use binomial nomenclature to solve this problem.A scientific name is given to the plant based on certain principles and criteria.The scientific name of a particular plant is same all over the world and is not given to any other plant.

Brinjal and potato both belong to same genus as they share some common correlated characters.
They belong to different species because they have
(i) different morphological features
(ii) reproductive isolation (inability to interbreed).

We should call it biodiversity or biological diversity as it shows variety of living organisms present on earth.

The number and kinds of organisms are never constant at a place, as development and reproduction keep the number changing. This is influenced by season and availability of resources, e.g., number of mosquitoes is very large in warm and humid weather, whereas in extreme summer or winter, they can be seen rarely.

Generic 5

1 x 5 = 5

Taxonomical Hierarchy
i) Man (Homo sapiens)
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primata
Family: Hominidae
Genus: Homo
Species: sapiens
ii) Mango (Mangifera indica)
Kingdom: Plantae
Phylum: Angiospermae
Class: Dicotyledonae
Order: Sapindales
Family: Anacardiaceae
Genus: Mangifera
Species: indica