CBSE Class 11 Biology VBQs The Living World

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

Question. Which of the following do not reproduces?
a. Phytoplankton
b. Worker bee
c. Queen bee
d. Mycoplasma
Answer. B

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. Defining feature of life forms?
a. Metabolism
b. Consciousness
c. Cellular organization
d. All of the above
Answer. D

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. The twin characteristics of growth are:
a. Increase in number of individuals, increase in mass
b. Increase in height and increase in mass
c. Increase in molecular weight and increase in mass
d. Increase in size and decrease in mass
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. The statement ‘nothing lives forever, yet life continues’ illustrates the role of
a. Embryogenesis
b. Morphogenesis
c. Replication
d. Reproduction
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. ICBN codes for?
a. International code for Botanical Nomenclature
b. International code for Binomial Nomenclature
c. International code for Botanimal Naming
d. International code for Binomial Naming
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. Linnaeus used the title for his publication is?
a. Systema Naturae
b. Genera Naturae
c. Altis vortex
d. Die Nature lichen pflanzen
Answer. A

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

Question. Select the correctly written botanical/ zoological name
a. Panthera tigris
b. Mangifera indica
c. Sativum pisum
d. Homo sapiens
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. In binomial nomenclature, the first and second components represent:
a. Genus and species
b. Genus and class
c. Species and genus
d. Kingdom and class
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. First book of Botany, Historia Plantarum, was given by:
a. Theoprastus
b. A. P. de Condolle
c. Aristotle
d. None of these
Answer. A

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. In Mangifera indica Linn. indica refers to
a. Genus
b. Author
c. Family
d. Species
Answer. D

Question. Term biology was introduced by:
a. Aristotle
b. Darwin0
c. John Ray
d. Lamarck and Treviranus
Answer. D

Question. Improvement of human race through improvement of human environment is:
a. Anthropology
b. Euthenics
c. Euphenics
d. Eugenics
Answer. B

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

Question. As we go lower from kingdom to species the number of common characteristics goes on
a. Increasing
b. Remain unchanged
c. Decreasing
d. Sometimes decreasing
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. The simplest amino acid is:
a. Aspartic acid
b. Tyrosine
c. Lysine
d. Glycine
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. Basis of Taxonomy are:
a. Identification - Characterization - Classification - Nomenclature
b. Characterization - Identification - Classification - Nomenclature
c. Classification - Characterization - Identification - Nomenclature
d. Nomenclature - Classification - Identification - characterization
Answer. A

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

Question. Systematics takes accounts:
a. Evolutionary relationship between organisms.
b. Breeding relationship between organisms.
c. Economic relationship between organisms.
d. None of these
Answer. A

Question. Taxon represents:
a. Rank in classification
b. Basic unit of classification
c. Both of these
d. None of these
Answer. A

Question. In taxonomy the first step is:
a. Identification
b. Nomenclature
c. Classification
d. Affinities
Answer. A

Question. Term classification was given by:
a. A.P de Condolle
b. Norman E. Borloug
c. Tansley
d. None of these
Answer. A

Question. Which of the following taxonomic categories contains organisms least similar to one another?
a Genera
b. Family
c. Class
d. Species
Answer. C

Question. Which of the following combinations is correct for wheat ?
a. Genus : Triticum, Family : Anacardiaceae, Order : Poales, Class : Monocotyledonae
b. Genus : Triticum, Family : Poaceae, Order : Poales,Class : Dicotyledonae
c. Genus : Triticum, Family : Poaceae, Order : Sapindales,Class : Monocotyledonae
d. Genus : Triticum, Family : Poaceae, Order : Poales,Class : Monocotyledonae
Answer. D

Question. The suffix – inae signifies the rank:
a. Tribe
b. Subtribe
c. Suborder
d. Family
Answer. B

Question. Species living in different geographical areas are called:
a. Allochronic
b. Allopatric
c. Sympatric
d. Siblings
Answer. B

Question. Determination of age by counting growth rings falls under:
a. Chorology
b. Chronology
c. Dendrology
d. Dendrochronology
Answer. D

Question. What is ethnobotany?
a. Cultivation of flower yielding plants
b. Use of plants and their parts
c. Relationship between plants and primitive people
d. Study of soil
Answer. C

Question. The timing of seasonal activity of plants in relation to change in environmental conditions is termed as:
a. Dendrochronology
b. Phenology
c. Time lapse
d. Biological clock
Answer. B

Question. In a scientific name, the name of the author is printed in
a. Capital letters
b. Bold ( antics)
c. Italics
d. Roman
Answer. D

Question. Few rules are written following regarding binomial nomenclature. Identity the wrong one:
a. Biological names are latinized and written in italics
b. Generic and specific name starts with capital letter
c. Generic and specific name when hand written are underlined
d. All are correct
Answer. B

Question. Identity the incorrect statement:
a. Class like Mammalia is involved in phylum Chordata
b. Order like Insecta is involved in class Mandibulate
c. Genus like Panthera is involved in family Felidae.
d. Order like Primata is involved in class Mammalia
Answer. B

Question. Which is not the component of taxonomy?
a. Identification
b. Responsiveness
c. Nomenclature
d. Classification
Answer. B

Question. Taxonomic hierachy is given following; select the correct match:
Taxonomic category Examples
a. A Sapindales, Insecta
b. B Primata, Diptera
c. C Musca, Poales
d. D Triticum, Muscidae
Answer. B

Question. Which of the following is a species?
a. Tamarindus
b. Homo
c. Triticum aestivam
d. Indica
Answer. D

Question. Which is less general in characters as compared to genus?
a. Family
d. Class
c. Division
d. Species
Answer. D

Question. Species is considered:
a. As basic unit of classification
b. The largest unit of classification
c. Artificial concept of human mind which cannot be defined in absolute terms
d. Real unit of classification devised by taxonomists
Answer. A

Question. Genera Plantarum was given by:
a. Bentham Hooker
b. Engler & Prantl
c. A.P de Condole
d. None of these
Answer. A

Question. Linnaeus put similar species into a larger group called the
a. Species
b. Family
c. Kingdom
d. Genus
Answer. D

Question. In a taxonomic hierarchy, genus is interpolated between
a. Kingdom and class
b. Phylum and order
c. Order and species
d. Family and species
Answer. D

Question. The taxonomic category below the lovel of family is
a. Class
b. Species
c. Phylum
d. Genus
Answer. D

Questions:

Question. Mango may have different names in different parts of the country or the world. But for botanists it is Mangiferaindica.
(a)Why do people give vernacular names to species? 
(b)As a student of biology what do you feel are the advantages of giving scientific names to the Mango? 
Answer: (a) They are common names based on some characteristics of the organisms. They are easier to learn and speak.
(b) They are universally accepted as they are based on some nomenclature principles. It is also easy with regards to the relationship and comparison to other species.

Question. A student of taxonomy was puzzled when told by his teacher to look for a ‘key‘ to identify a plant. He went to his friend to clarify what ‘ key’ the teacher was refering to. What would the friend explain to him? What are the values exhibited by he and his friend?
Answer: His friend would explain that a key is a scheme for identification of animals and plants which is based on contrasting characters. The values exhibited are inquisitiveness, cooperation, and helpfulness.