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MCQ Questions On Class 9th Biology Chapter Chapter 7 Diversity In Living Organism (Answers Are Given Below)
- Redwood tree of california reaches a height of
(a) 25m
(b) 50m
(c) 75m
(d) 100m - Hotspots of biodiversity means
(a) areas of the Earth that contain many endemic
species
(b) species serves as proxy for entire communities
in particular areas
(c) species in particular niche/area
(d) species diversity at particular areas - The total number of species, that are known and
described, range between
(a) 0.5-1.0 million
(b) 1.1-1.2 million
(c) 1.7-1.8 million (d) 2.5-3.0 million - The science of naming organism is called
(a) identification (b) nomenclature
(c) classification
(d) taxonomy - The system of nomenclature evolved by Linnaeus
is
(a) mononomial
(b) vernacular
(c) binomial
(d) polynomal - Binomial nomenclature consists of two words
(a) genus and species (b) order and family
(C) family and genus (d) species and variety - In binominal name, which is written in capital ?
(a) first alphabet of generic name
(b) all alphabets of generic word
(C) first alphabet of specific word
(d) all alphabets of specific word - Homo:generic name :: Sapines : ………
(a) species name (b) human name
(c) division name
(d) organism name - Who has divided Prokaryota (Monera) into
Archaea and Eubacteria ?
(a) Haeckel
(b) Copeland
(c) Woese
(d) Whittaker - The eukaryotic kingdom Protocista was created
by
(a) Whittaker
(b) Woese
(c) Margulis and Schwartz
(d) Haeckel - Who proposed the concept of evolution ?
(a) Aristotle
(b) Theophrastus
(c) Darwin
(d) Linnaeus - Phylogeny is study of
(a) development of an individual
(b) evolution of species
(c) embryonic development of an organ
(d) ecological adaptation of an organisms - The science of classification is called
(a) demography (b) taxonomy
(c) biology
(d) none of the above - Class is a category between
(a) phylum and order
(b) kingdom and phylum
(c) order and family
(d) family and genes - “Taxa’ differs from “taxon” due to
(a) this being a higher taxonomic category than
taxon
(b) this being the lower taxonomic category than
taxon
(c) this being the singular of taxon
(d) this being the singular of taxon. - The basic unit of classification is
(a) variety
(b) species
(c) genus
(d) family - A group of similar freely inter-breeding organisms
constitutes a
(a) species
(b) genera
(c) family
(d) class - A group of related genera, with still less number of
similarities as compared to the genus and species,
constitutes.
(a) order
(b) class
(C) family
(d) division - Genetic material of prokaryotes is called
(a) nucleoid
(b) nucleolus
(c) plasmid
(d) mesosome - The ability of nitrogen fixation is found in
(a) monerans only
(b) both monerans and protistans
(c) protistans only
(d) fungi only - Amoeba belongs to kingdom
(a) Monera
(b) Protista
(C) Fungi
(d) Animalia - Fungi resemble animals in having
(a) mycelium
(b) chitin
(c) glycogen
(d) both (b) and (c) - A plant body not differentiated into root, stem and
leaves is termed as
(a) thallus
(b) mycelium
(c) hyphae
(d) herb - Chlorophyll containing, autotrophic thallophytes
are called
(a) algae
(b) lichens
(c) fungi
(d) bryophytes - The compound plants composed of algae and fungi
are called
(a) algae
(b) bryophytes
(c) pteridophytes (d) lichens - Which of the following group of plants is called
vascular cryptogams?
(a) thallophyta (b) bryophyta
(c) pteridophyta (d) angiospermae - Which of the following plant group bears naked
seeds ?
(a) Pteridophyta (b) Bryophyta
(c) Gymnospermae (d) Angiospermae - Reproductive structure are flowers in
(a) gymnosperms (b) pteridophytes
(c)angiosperms (d) both (a) and (b) - Phylum mollusca can be distinguished from other
nonchordates by the presence of
(a) bilateral symmetry and exoskeleton
(b)a mantle and gills
(c) shell and non-segmented body
(d)a mantle and a non-segmented body - The phylum of sedentary animals is
(a) Mollusca
(b) Echinodermata
(c)Porifera
(d) both (a) and (b) - Choanocytes are unique to
(a) Protozoa
(b) Porifera
(c) Mollusca
(d) Echinodermata - Cnidaria is characterised by
(a) Nematoblasts (b) Coelenteron
(c) Tissue level of organisation
(d) all the above - Tapeworm is member of phylum
(a) Annelida
(b) Porifera
(c) Nematoda (d) Platyhelminthes - Elephantiasis disease of human beings is caused by
(a) Wuchereria (b) Ascaris
(c) Enterobius
(d) Ancylostoma - True coelom appeared for the first time in
(a) Mollusca
(b) Nematoda
(c)Annelida
(d) Arthropoda - Arthropods are characterised by
(a) jointed legs
(b) jointed appendages
(c) chitinous exoskeleton
(d) all the above - In the Pila, the gastropod mollusc, the organ of the
locomotion is
(a) mantle
(b) foot
(c)tentacles
(d) legs - Starfish belongs to phylum
(a) Mollusca
(b) Coelenterata
(c) Arthropoda
(d) Echinodermata - Echinoderms have
(a) water vascular system
(b) canal system
(c) jet propulsion
(d) book lungs - Phylum Chordata is named after the occurrence
of
(a) notochord
(b) dorsal hollow nerve cord
(b) occurence of postnatal tail
(d) presence of gill slits - In higher chordates, notochord is transformed into
(a) cranium
(b) limbs
(c) vertebral column (d) both (b) and (c) - Balanoglossus belons to Hemichordata which forms
a connecting link between
(a) urochordates and cephalochordates
(b)urochordates and vertebrates
(C) cephalochordates and vertebrates
(d)nonchordates and chordates - Lateral line sense organs occur in
(a) fishes
(b) amphibian larva
(c) reptiles
(d) both (a) and (b) - In the lung fishes, the heart is
(a) single chambered (b) two chambered
(d) four chambered
(d) amphibians
(b) three chambered - The skin is devoid of scales in
(a) cartilaginous fish (b) bony fishes
(b) reptiles - A very long sticky tongue and ability to change
colour occurs in
(a) garden lizard
(b) chamaelon
(c) python
(d) king cobra - Duck-billed platypus and echidna are
(a) reptiles
(b) egg-laying mammals
(c)marsupial mammals
(d) eutherian mammals
ANSWERS
- d
- a
- c
- b
- c
- a
- a
- a
- c
- C
- c
- b
- b
- a
- c
- b
- a
- c
- a
- a
- b
- d
- a
- a
- d
- C
- C
- c
- d
- C
- b
- d
- d
- a
- C
- d
- b
- d
- a
- a
- C
- d
- d
- b
- d
- b
- b