CBSE Class 9 Science Diversity In Living Organisms MCQs Set B

Question. Classification reflecting the evolutionary interrelationships of organisms is called
(a) Phylogenetic classification
(b) artificial classification
(c) Natural classification
(d) numerical classification

Answer: A

Question. A branch of biology which deals with the identification, nomenclature and Classification of organisms is called
(a) Morphology
(b) Ecology
(c) Taxonomy
(d) Phytogeography

Answer: C

Question. The mode of nutrition in all fungi is characteristically
(a) Symbiotic
(b) autotrophic
(c) holozoic
(d) saprotrophic

Answer: D

Question. Mesoglea is characteristic of
(a) Platyhelminthes
(b) Aschelminthes
(c) Cnidaria
(d) Mollusca

Answer: C

Question. True jelly fish (e.g., Aurelia) belongs to class
(a) Hydrozoa
(b) Anthozoa
(c) Scyphozoa
(d) Both B and C

Answer: C

Question. The reserve food in fungi is
(a) starch
(b) cyanophycean starch
(c) glycogen
(d) glycogen and fat

Answer: D

Question. Who is know as father of taxonomy?
(a) Mendel
(b) Linnaeus
(c) Drawing
(d) Crick

Answer: B

Question. Principles and rules of classification are studied under
(a) systematics
(b) natural classification
(c) nomenclature
(d) taxonomy

Answer: D

Question. Binomial nomenclature was introduced by
(a) John Ray
(b) A.P. de Candolle
(c) A.L.de Jussen
(d) Carolus Linnaeus

Answer: D

Question. Two kingdom classification was given by
(a) Linnaeus
(b) Haeckel
(c) Copeland
(d) Whittaker

Answer: A

Question. Polymorphism is exhibited by
(a) Hydra
(b) Physalia
(c) ) Octopus
(d) Crab

Answer: B

Question. The algal partner of a lichen is called as
(a) Mycobiont
(b) Phycobiont
(c) Both of the above
(d) None of the options

Answer: B

Question. Pteridophytes are known as
(a) sea plants
(b) vascular cryptogames
(c) club mosses
(d) horse tails

Answer: B

Question. Comb jellies belong to
(a) Scyphozoa
(b) Hydrozoa
(c) Ctenophora
(d) Both A and B

Answer: C

Question. Three kingdom classification was proposed by
(a) Linnaeus
(b) Haeckel
(c) Whittaker
(d) Lamarck

Answer: B

Question. The basic unit of classification is
(a) Variety
(b) species
(c) genus
(d) family

Answer: B

Question. A group of freely interbreeding organisms constitutes a
(a) species
(b) genera
(c) family
(d) class

Answer: A

Question. Gymnosperms are characterized by
(a) non-motile male gametes
(b) naked seeds
(c) Winged seeds
(d) true fruits

Answer: B

Question. Platyhelminthes are called
(a) round worms
(b) flat worms
(c) blind worms
(d) none of the options

Answer: B

Question. In Platyhelminthes, the excertory organs are.
(a) nephridia
(b) malpighian tubules
(c) flame cells (solenocytes)
(d) green glands

Answer: C

Question. Which one is mismatched?
(a) Flagella …………. Euglena
(b) Pseudopodia ………… Amoeba
(c) Cilia ………Paramecium
(d) Flagella ……….. Plasmodium

Answer: D

Question. According to binomial nomenclature, the scientific name of an organism must consists of two words. these are
(a) species and tribe
(b) genus and species
(c) order and family
(d) genus and family

Answer: B

Question. Five kingdom Whittaker was proposed by
(a) Linnaeus
(b) Whittaker
(c) john Ray
(d) Lamarck

Answer: B

Question. Thallophyta includes
(a) fungi and bacteria
(b) algae, fungi, animals and lichens
(c) Algae, fungi and lichens
(d) algae and fungi

Answer: C

Question. Flowering plants are included under
(a) cryptogams
(b) phanerogams
(c) bryophytes
(d) pteridophytes

Answer: B

Question. Contractile vacuole is present in
(a) Amoeba
(b) Euglena
(c) Paramecium
(d) All of the options

Answer: D

Question. Which taxonomic term may be substituted for any rank in the classification?
(a) class
(b) Geuns
(c) Species
(d) Taxon

Answer: D

Question. Platyhelminthes are
(a) coelomates
(b) pseudiocoelomates
(c) haemocoelomates
(d) Acoelomates

Answer: D

Question. The common name for Ascaris is
(a) shipworm
(b) pinworm
(c) tapeworm
(d) round worm

Answer: D

Question. Cryptogams include
(a) thallophytes
(b) bryophytes
(c) pteridophytes
(d) all of the options

Answer: D

Question. Which of the following has an embryo but lacks vascular tissue ?
(a) Bryophyta
(b) Pteridophyta
(c) Gymnosperms
(d) angiosperms

Answer: A

Question. ‘Venus flower basket’ is the dried skeleton of
(a) Euspongia
(b) Euplectella
(c) Spongilla
(d) Leucosolenia

Answer: B