The Living World Class 11 Biology Important Questions

Important Questions Class 11

Please refer to The Living World Class 11 Biology Important Questions with solutions provided below. These questions and answers have been provided for Class 11 Biology based on the latest syllabus and examination guidelines issued by CBSE, NCERT, and KVS. Students should learn these problem solutions as it will help them to gain more marks in examinations. We have provided Important Questions for Class 11 Biology for all chapters in your book. These Board exam questions have been designed by expert teachers of Standard 11.

Class 11 Biology Important Questions The Living World

Objective Questions

Question. Defining property of living organism?
a. Reproduction
b. Metabolism
c. Consciousness
d. Cell division

Answer

C

Question. Isolated metabolism reaction outside the body performed in test tube
a. Living
b. Non – living
c. Neither living nor Non-living
d. Both (a) and (b)

Answer

C

Question. In which organism reproduction can be considered as synonymous with growth?
a. Amoeba
b. Planaria
c. Star fish
d. More then one option are correct

Answer

A

Question. A living organism is unexceptionally differentiated from a nonliving structure on the basis of
a. Reproduction
b. Growth and movement
c. Interaction with environment
d. Responsiveness

Answer

D

Question. Described biodiversity range?
a. 1.7 – 1.8 million
b. 1.1 – 1.8 trillion
c. 1.7 – 1.8 billion
d. 17 – 18 billion

Answer

A

Question. ICZN codes for:
a. International code of zoological Nomenclature
b. International code for zoological Naming
c. International coding for zoological Nomenclature
d. Inbreeding code for zoological Nomenclature

Answer

A

Question. The science of giving names to living beings called
a. Nomenclature
b. Identification
c. Classification
d. Characterization

Answer

A

Question. Biological names, when hand written, should necessary be:
a. Underlined
b. Bold (antics)
c. In capital letter
d. Italics

Answer

A

Question. The main purpose of classification of organisms is to
a. Study geography
b. Locate plants and animals
c. Establish relationships amongst organisms
d. Study evolution

Answer

C

Question. The word systematics is derived from
a. Greek word systema
b. Italic word systema
c. Latin word systema
d. English word systema

Answer

C

Question. Term biology was introduced by:
a. Aristotle
b. Darwin
c. John Ray
d. Lamarck and Treviranus

Answer

D

Question. Edaphology is:
a. Study of soils
b. Study of amphibians
c. Study of snakes
d. Study of elephants

Answer

A

Question. A prediction made by a scientist based on his observation is known as:
a. Law
b. Principle
c. Theory
d. Hypothesis

Answer

D

Question. Glucose in taken in test tube and acted upon by hexokinase enzyme. Resulting substrate is glucose – 6 -phosphate. This isolated metabolic reaction is:
a. Occurring in test tube which can be considered as living
b. Considered to be in vivo
c. Considered to be in vitro and living reaction.
d. Considered as non-living reaction

Answer

C

Question. The scientific name of banyan is written as Ficus bengalensis L. which of the following is a correct statement regarding this?
a. Letter L signifies Latin language.
b. The name should be reverse with bengalensis preceding Ficus
c. Letter L signifies taxonomist Linnaeus
d. Bengalensis is generic name

Answer

C

Higher Order Questions

Question. Herbarium is:
a. A garden where medicinal plants are grown
b. Garden where herbaceous plants are grown
c. Dry garden
d. Chemical to kill plants

Answer

C

Question. For higher plants, flowers are chiefly used as a basis of classification, because:
a. These show a great variety in colour
b. It can be preserved easily
c. Reproductive parts are more conservative than vegetative parts
d. They have strong fragrance

Answer

C

Question. The most convenient way for easy identification of plants and animals by applying diagnostic feature is use of
a. Herbarium
b. Botanical gardens
c. Museum
d. Taxonomic keys

Answer

D

Question. Read the following and choose the correct combinations:

Scientist Coined the term
A. A.P. de Candolle 1. Biology
B. Herbert Spencer 2. Genetics
C. Lamarck 3. Taxonomy
D. Ernst Haeckel 4. Ecology
E. Bateson 5. Organic evolution

a. A-3 B-5 C-2 D-4 E-1
b. A-3 B-5 C-1 D-4 E-2
c. A-1 B-3 C-5 D-2 E-4
d. A-4 B-2 C-5 D-1 E-4

Answer

B

Question. Read the following and choose the correct combinations:

Place Number of types of birdsLatitude
1. Colombia140000 N
2. New York105410 N
3. Greenland56710 N

a. All correct
b. One
c. 1 & 2
d. Except two

Answer

A

Question. Match the columns and find out the correct combination:

A. Family 1. nigrum
B. Kingdom 2. Polemoniales
C. Order 3. Solanum
D. Species 4. Plantae
5. Solanaceae

a. A-5 B-4 C-2 D-1
b. A-4 B-5 C-3 D-2
c. A-1 B-2 C-3 D-4
d. A-3 B-2 C-4 D-5

Answer

A

Question. Choose the correct statements from following:
A. Taxonomic hierarchy includes seven obligate categories.
B. Haeckel introduced the taxon phylum.
C. Three – domain classification was introduced by Carl Woese.
a. A & B
b. B & C
c. A & C
d. All

Answer

D

Question. Incorrect statement is:
a. Naming is only possible when the organism is described correctly.
b. Scientific names are based on the principles and criteria provided in ICBN.
c. Description of any organism should enable the people (in any part of the world) to arrive at the same name.
d. Category denotes rank, and these categories or ranks are merely morphological aggregates.

Answer

D

Question. Read the following statements.
A. Isolated-metabolic reactions in-vitro are living things.
B. Reproduction is synonymous with growth in Chlamydomonas.
C. Reproduction is an all inclusive defining characteristic of living organisms.
D. Extrinsic growth cannot be taken as defining property of living organisms.
How many of the above statement (s) is/are not true?
a. One
b. Two
c. Three
d. Four

Answer

B

Question. Read the following statements.
A. Manuals are useful in providing information for identification of names of species found in an area.
B. Potato and brinjal are related species, which has more characters in common in comparison to shimla mirch.
C. CO2 dissolving in water, a physical process, is a catalysed reaction in living systems.
D. The ribosomes of polysome translate the mRNA into multiple copies of the same protein.
a. A and C are correct
b. Only B correct
c. B incorrect
d. All are correct

Answer

D

NCERT Exemplar Problems

Question. Which of the following ‘suffixes’ used for units of classification in plants indicates a taxonomic category of ‘family’?
a. — Ales
b. — Onae
c. — Aceae
d. — Ae

Answer

C

Question. Genus represents:
a. An individual plant or animal
b. A collection of plants or animals
c. Group of closely related species of plants or animals
d. A group of plants in a given area.

Answer

C

Question. Botanical gardens and Zoological parks have:
a. Collection of endemic living species only
b. Collection of exotic living species only
c. Collection of endemic and exotic living species
d. Collection of only local plants and animals

Answer

C

Question. All living organisms are linked to one another because:
a. They have common genetic material of the same type
b. They share common genetic material but to varying degrees
c. All have common cellular organization
d. All of the above

Answer

B

Question. Match the following and choose the correct option.

A. Family 1. Tuberosum
B. Kingdom 2. Polymoniales
C. Order 3. Solanum
D. Species 4. Plantae
E. Genus 5. Solanaceae

a. A-4 B-3 C-5 D-2 E-1
b. A-5 B-4 C-2 D-1 E-3
c. A-4 B-5 C-2 D-1 E-3

Answer

B

Past Year Questions

Question. Biodiversity of a geographical region represents:
a. Genetic diversity present in the dominant species of the region
b. Species endemic to the region
c. Endangered species found in the region
d. The diversity in the organisms living in the region

Answer

D

Question. Biosystamatics aims at:
a. The classification of organisms based on broad morphological characters.
b. Delimiting various taxa of organisms and establishing their relationships.
c. The classification of organisms based on their
evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies.
d. Identification and arrangement of organisms on the basis of their cytological characteristics.

Answer

C

Question. Viable material of endangered species can be preserved by:
a. Gene bank
b. Gene library
c. Herbarium
d. Gene pool

Answer

A

Question. ‘Taxon’ is the unit of a group of:
a. Order
b. Taxonomy
c. Species
d. Genes

Answer

B

Question. The high boiling point of water is advantageous to living organisms because
a. The environment seldom reaches the boiling point of water.
b. Organisms can easily boil off enough water to keep themselves cool.
c. It allows organisms to spread heat evenly throughout their bodies.
d. Organisms can absorb a great deal of heat before they reach the boiling point from organisms and population.

Answer

B

Question. The term “New Systematics” was introduced by:
a. Bentham and Hooker
b. Linnaeus
c. Julian Huxley
d. A. P. de Candolle

Answer

C

Assertion & Reason Questions

Directions: These questions consist of two statements each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses.
A. If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
B. If both Assertion and Reason are True but Reason is not a correct explanation of the Assertion.
C. If Assertion is True but the Reason is False.
D. If both Assertion and Reason are False.

Question. Assertion: Both the words in a biological name when handwritten, are separately underlined or printed in italics.
Reason: This is done to indicate their latin origin.

Answer

A

Question. Assertion: Botanical garden are one of the important taxonomic aids used in taxonomic studies.
Reason: Botanical garden play significant role in identification of plants.

Answer

A

Question. Assertion: Natural system fails to give phylogenetic relationship.
Reason: Natural system may use habit or habitat for classifying organism.

Answer

D

Question. Assertion: New names in binomial nomenclature are derived from Latin or are Latinized.
Reason: Latin is a technical language.

Answer

C

Question. Assertion: Complexity of classification increases from kingdom to species.
Reason: Common characters increase from kingdom to species.

Answer

B

Question. Assertion: A morphology based approach to taxonomy is called ‘alpha taxonomy’ and it is old fashioned.
Reason: A multi-disciplinary approach to taxonomy called ‘omega taxonomy’ is favored in recent years, as it excludes morphological features.

Answer

D

Question. Assertion: Museums are places/institution where preserved plant, animal artistic and educational material are exhibited to public.
Reason: Museums are of different kinds, like art, history, science and general museum which exhibit their material to public awareness.

Answer

B

The Living World Class 11 Biology Important Questions