CBSE Class 11 Biology The Living World MCQs Set 03

Question: A living organism can be unexceptionally differentiated from a non-living thing on the basis of its ability for:
a) Reproduction
b) Growth and movement
c) Responsiveness to touch
d) Interaction with environment and progressive evolution
Answer: a

Question: ‘Taxon’ is the unit of a group of:
a) Order
b) Taxonomy
c) Species
d) Genes
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 Living and Non-living
Answer: c

Question: Which arrangement is in correct ascending order?
a) Species < genus < order < family
b) Genus < species < family < order
c) Order < family < genus < species
d) Species < genus < family < order
Answer: a

Question: Olericulture is cultivation of:
a) Flowers
b) Vegetables
c) Fruits
d) All the above
Answer: b

Question: Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of:
a) Monographs
b) Flora
c) Both (a) and (b)
d) None of the options
Answer: c

Question: Die naturlichen pflanzenfamilien was given by:
a) Engler & Prantl
b) Lamarck
c) Curier
d) None of the options
Answer: a

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: The taxonomic category below the level of family is:
a) Class
b) Species
c) Phylum
d) Genus
Answer: d

Question: First life on earth was:
a) Cyanobacteria
b) Chemoheterotrophs
c) Autotrophs
d) Photoautotrophs
Answer: b

Question: A group of plants or animals with similar traits of any rank is:
a) Species
b) Genus
c) Order
d) Taxon
Answer: d

Question: Consider the following statements and select the correct set of options.
(a) The most obvious and technically complicated features are metabolism and consciousness.
(b) Growth and reproduction are mutually inclusive events for euglenoids and chrysophytes.
(c) Generally, families and orders are identified on the basis of aggregates of vegetative characters only.
(d) Herbarium serves as quick referral system in taxonomical studies.
a) B, C & D
b) A, C & D
c) B & D
d) A, B, C & D
Answer: c

Question: Which of the following species are restricted to a given area?
a) Sympatric species
b) Allopatric species
c) Sibling species
d) Endemic species
Answer: d

Question: Biosystematics 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: Match the following and choose the correct option:
(a) Family → Solanaceae
(b) Kingdom → Plantae
(c) Order → Polymoniales
(d) Species → Tuberosum
(e) Genus → Solanum
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
d) A-5 B-3 C-2 D-1 E-4
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 have more characters in common compared 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

Question: Static concept of species was put forward by:
a) de Candolle
b) Linnaeus
c) Mayr
d) Darwin
Answer: b

Question: Incorrect statement are:
(a) Animals, mammals, dogs, alsatians represent taxa at different levels.
(b) Phenotypic plasticity is the ability of an organism to change its phenotype in response to environment.
(c) Nomenclature is only possible when the organism is described correctly.
(d) In animals, growth is seen only up to a certain age.
(e) Non-living objects also grow if we take increase in body mass as a criterion of growth.
(f) Human being is the only organism who is aware of himself.
a) C
b) B
c) A
d) Zero
Answer: d

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: The category that includes related orders is:
a) Families
b) Phylum
c) Class
d) Kingdom
Answer: c

Question: Family of man (Homo sapiens) is:
a) Hominidae
b) Hominini
c) Primata
d) Ceboideae
Answer: a

Question: Poales is the order of:
a) Mango
b) Wheat
c) Maize
d) Corn
Answer: b

Question: When organisms are in the same class but not in the same family, the taxonomic term is called as:
a) Order
b) Genus
c) Family
d) Species
Answer: a

Question: Providing information for identification of names of species found in an area:
a) Fauna
b) Flora
c) Monograph
d) Manuals
Answer: d

Question: Family and order of Triticum aestivum (wheat) are:
a) Poaceae, Monocotyledonae
b) Poaceae, Poales
c) Poales, Monocotyledonae
d) None is correct
Answer: b

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: The word ending with “–aceae” indicates:
a) Genera
b) Family
c) Order
d) Class
Answer: b

Question: Largest Herbarium in the world is situated in:
a) Kew
b) L.A.
c) Johannesburg
d) Brazil
Answer: a

Question: Two animals belong to the same kingdom but different classes. They may belong to the same:
a) Phylum
b) Order
c) Division
d) Family
Answer: a

Question: The term “taxon” for plants was coined by:
a) Curier
b) Adolf Meyer
c) H.J. Lam
d) DeCandolle
Answer: b

Question: Order Polymoniales includes:
a) Convolvulaceae
b) Solanaceae
c) Both of these
d) None of the options
Answer: a

Question: The simplest amino acid is:
a) Aspartic acid
b) Tyrosine
c) Lysine
d) Glycine
Answer: d

Question: Carnivora includes:
a) Canis
b) Felis
c) Both of these
d) None of the options
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: Order Polymoniales is based on:
a) Reproductive character
b) Floral character
c) Evolutionary character
d) None of the options
Answer: b

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