Diversity of Plant Life MCQs Part 13

1) Class Sporozoa of Phylum Protozoa is characterised by
a) Flagella
b) Cilia
c) Parasitism
d) None of these

2) The presence of choanocytes is characteristic of
a) Coelenterata
b) Annelida
c) Porifera
d) None of these

3) Planaria, Liver fluke and Taenia solium are
a) All segmented
b) All found in the gut
c) All coelomate
d) All flatworms

4) Echinoderms are exclusively
a) Pond living
b) Riverine
c) Marine
d) Lacustrine

5) The portal system seen in all vertebrates is
a) Hepatic
b) Renal
c) Both hepatic and renal
d) Pulmonary

6) Protists obtain their food as
a) Photosynthesisers only
b) Chemosynthesisers
c) Holotrophs only
d) Photosynthesisers, holotrophs and symbionts

7) Many bacteria bear minute structures on their cell wall. These are called
a) Hair
b) Flagella
c) Cilia
d) Pili

8) The site of respiration in bacteria is the
a) Episome
b) Mesosome
c) Ribosome
d) Microsome

9) The hereditary material present in the bacterium E coli is
b) Single stranded DNA
c) RNA
d) Double stranded DNA

10) An artificial system of classification was that given by
a) Linnaeus
b) Darwin
c) Lamarck
d) Wallace

11) The basic unit of taxonomy is the
a) Genus
b) Species
c) Kingdom
d) Phylum

12) Binomial nomenclature was established by
a) A. P. de Candolle
b) Linnaeus
c) John Ray
d) A L. de Jussiean

13) Binomial nomenclature means writing the names of plants in two words denoting their
a) Family and genus
b) Genus and species
c) Order and Family
d) Species and variety

15) Bacteria were first discovered by
a) A.V. Leeuwenhoek
b) Robert Hooke
c) Robert Koch
d) Louis Pasteur

16) Binomial nomenclature means writing the name of the plant in two words which designates the
a) Genus and species
b) Species and variety
c) Order and family
d) Family and genus

17) Which of the following branches of Biology applies both to plants and animals?
a) Virology
b) Taxonomy
c) Bacteriology
d) Entomology

18) The generic name for the cotton plant is
a) Crotalaria
b) Raphanus
c) Nicotiana
d) Gossypium

19) Linnaeus introduced the term
a) Concept of inheritance
b) Law of limiting factor
c) Binomial nomenclature
d) Independent assortment

20) The taxon is
a) A short term for taxonomy
b) A term for new systematics
c) A classified unit of any rank
d) None of the above

21) In the binomial nomenclature of plants
a) The genus is written after the species
b) Both in genus and species the first letter is a capital letter
c) the genus and species may be same name
d) Both genus and species are printed in italics

22) Which of the following is not multicellular?
a) Oedogonium
b) Chara
c) Spirogyra
d) Chlamydomonas

23) The branch of Botany dealing with algae is known as
a) Taxonomy
b) Phycology
c) Microbiology
d) Mycology

24) Algae are placed in the same major group of plants as are the
a) Ferns
b) Mosses
c) Liverworts
d) Fungi

25) Which are the most primitive algae?
a) Red algae
b) Blue-green algae
c) Green algae
d) Brown algae

26) In which of the following plants is an archegonium absent ?
a) Spirogyra
b) Funaria
c) Pteris
d) Cycas

27) Number of pyrenoids and chloroplasts in Ulothrix is
a) One chloroplast with no pyrenoids
b) One chloroplast with several pyrenoids
c) Several chloroplasts and one pyrenoid
d) None of these

28) In which form is reserve food material stored by fungi?
a) Glycogen
b) Oil bodies
c) Starch
d) Alcohol

29) The late blight of potato is caused by
a) Albugo candida
b) Fusarium moniliforme
c) Phytophthora infestans
d) Altermaria solani

30) In which of the following plants is the columella present in the sporangium?
a) Spirogyra
b) Rhizopus
c) Yeast
d) Ulothrix

31) Which of the following is commonly called a blue-green mould?
a) Aspergillus
b) Erysiphe
c) Penicillium
d) Neurospora

32) Who discovered the first virus?
a) E.C. Stakman
b) D. Iwanowski
c) W.M. Stanley
d) K.M. Smith

33) Viruses synthesize their protein coats
a) Inside the host cell
b) Outside the host cell
c) Both outside as well as inside the host cell
d) None of these

34) One of the interesting features of viruses is that they
a) Are made up of proteins only
b) Multiply only in the host cytoplasm
c) Occur only inside bacteria
d) Behave as if they were plants

35) Coliphages contain
a) RNA
b) DNA
c) DNA or RNA
d) DNA as well as RNA

36) The site where the protein for the protein coat of the virus is synthesized is the
a) Plasma membrane of the host
b) Mitochondria of the host
c) Ribosome of the host
d) RNA of the virus

37) Which of the following viruses is devoid of a protein coat with the entire body constituted by only RNA?
a) Tobacco mosaic virus ( TMV)
b) Potato spindle tuber virus (PSTV)
c) Polyoma virus
d) Mumps virus

38) The group of viruses which causes bacterial disease is called
a) Slime moulds
b) Smuts
c) Bacteriomosaics
d) Bacteriophage

39) Caulimoviruses are a group of viruses which have
a) Double stranded RNA
b) Single stranded RNA
c) Single stranded DNA
d) Double stranded DNA

40) Which of the following is not a viral disease?
a) Red rot of sugar cane and Citrus canker
b) Leaf curl of papaya
c) Triszea-disease of Citrus
d) Tobacco mosaic

41) Which of the following is the aquatic species of Riccia?
a) Riccia discolor
b) Riccia himalayensis
c) Riccia crystallina
d) Riccia fluitans

42) Funaria is a bryophyte because it
a) Has multicellular and jacketed sex organs
b) Lacks a root
c) Lacks xylem
d) has no production of seed

43) The spore mother cell in Bryophyta is
a) Haploid
b) Diploid
c) Triploid
d) Tetraploid

44) The apophysis in the moss capsule is the
a) Upper part
b) Middle part
c) Lower part
d) Fertile part

45) In which of the following is a protonema seen?
a) Rhizobium
b) Funaria
c) Marchantia
d) Pinus

46) In which of the following groups would you place a plant which produces seeds but lacks flowers?
a) Fungi
b) Bryophytes
c) Pteridophytes
d) Gymnosperms

47) The wood of Cycas is
a) Monoxylic and manoxylic
b) Manoxylic and polyxylic
c) Monoxylic
d) Diploxylic

48) In Cycas pollen grains are shed at the
a) 1-celled stage
b) 2-celled stage
c) 3-celled stage
d) 4-celled stage

49) Pinus differs from mango in having
a) Presence of wood
b) Ovules not enclosed within an ovary
c) Tree habit
d) Green leaves

50) The ovuliferous scales of a pine cone are comparable to
a) Stamens
b) Scales
c) Pistils
d) Petals

51) Naked seeds are found in
a) Pinus
b) Riccia
c) Brassica
d) Selaginella

52) In which of the following are the branches as well as leaves dimorphic?
a) Ephedra
b) Gnetum
c) Cycas
d) Pinus

53) Non-porous wood occurs in the stem of
a) Mango
b) Dalbergia
c) Pinus
d) Ficus

54) Which of the following statements is not true for Gymnosperms?
a) Leaves are compound
b) Naked seeds are formed
c) Xylem is made up of tracheids
d) Xylem is made up of vessels

55) According to available fossil records which of the following are the first land vascular plants?
a) Cycads
b) Lycopsids
c) Psilophytales
d) Horsetails

56) Pteridophytes as a group differ from bryophytes and thallophytes due to the presence of
a) Motile sperms
b) vascular tissue
c) Archegonia
d) Alternation of generations

57) Which of the following is characteristic of Selaginella?
a) Flower
b) Homospory
c) Ligule
d) None of these

58) The sporophyte of a fern produces
a) Pollens
b) Spores
c) Seeds
d) None of the above

60) What is the basis of broad classification of Filicales?
a) Nature of annuals
b) Nature of sporophyll and sporangia
c) Sori
d) Nature of indusium

61) The annulus of the fern sporangium assists in the dispersal of spores by
a) Collapsing in the strong wind
b) Losing the air from its cells
c) Losing water from its cells
d) Taking up water from air

62) How many spore mother cells are found in a fern?
a) 4 to 8
b) 8 to 16
c) 16 to 32
d) 32 to 64

63) Antherozoids of ferns are
a) Spherical and multiflagellate
b) Spirally coiled and multiflagellate
c) Rounded and biflagellate
d) Club-shaped uniflagellate

64) Pteris differs from Funaria in having a
a) Dependent sporophyte
b) An independent gametophyte
c) Swimming antherozoids
d) Dominant sporophytic phase

65) Angiosperms differ from Gymnosperms in having
a) Broad leaves
b) Tracheids
c) Fruits
d) Cotyledons

66) Which of the following is the chief function of cotyledons in a seed?
a) To help during germination of seeds
b) To supply food to the young embryo
c) To store food substances
d) To give protection to the radicle and plumule

67) Plants manufacturing their own food are called
a) Epiphytes
b) Parasites
c) Saprophytes
d) Autotrophic

68) The banana plant develops from a
a) Rhizome
b) Seed
c) Sucker
d) Stolon

69) The vegetative growth of a potato is by its
a) Rhizome
b) Tuber
c) Sucker
d) Bulb

70) Velamen tissue is found in the
a) Aerial roots of orchids only
b) Roots of screwpine
c) Leaves of Ficus elastica
d) Aerial and terrestrial roots of orchids

71) Which of the following is essential for seed germination?
a) Light
b) Minerals
c) High temperature
d) Water

72) In Agave vegetative reproduction is carried out through
a) Bulbils
b) Rhizome
c) Stolon
d) Sucker

73) The axis of an inflorescence is known as a
a) Pedicel
b) Petiole
c) Peducle
d) Thalamus

74) In which of the following does a dichasial cyme occurs?
a) Bignonia
b) Ixora
c) Calotropis
d) hibiscus

75) Compound umbels are seen in
a) Foeniculum
b) Coriandrum
c) Daucus carota
d) Raceme

76) A family whose name is based upon its inflorescence is
a) Euphorbiaceae
b) Asteraceae
c) Fabaceae
d) Malacaceae

77) A capitulum inflorescence is seen in
a) Cruciferae
b) Liliaceae
c) Compositae
d) Solanaceae

78) Hypanthodium refers to a specialized type of
a) Thalamus
b) Ovary
c) Fruit
d) Inflorescence

79) The edible part of a cauliflower is the
a) Fruit
b) Bud
c) Inflorescence
d) Flower

80) In a typical flower the ovary is superior and the other whorls are inferior. Such a flower is said to be
a) Hypogynous
b) Epigynous
c) Polygynous
d) Perigynous

81) The axis developed in between the corolla and the androecium is called the
a) Gynophore
b) Androphore
c) Anthophore
d) Gynandrophore

82) The syngenesious condition of stamens is found in
a) Labiatae
b) Solanaceae
c) Asteraceae (Compositae)
d) both b and c

83) Spot the statement applicable to Malvaceae:
a) Zygomorphic flower
b) Monoadelphous stamens
c) Staminal tube
d) Inferior ovary

84) An apocarpous gynoecium is found in the
a) Lily
b) Hollyhock
c) Lotus
d) Pumpkin

85) The outer whorl of a bougainvillea flower consists of
a) Bracts
b) Sepals
c) Petals
d) None of these

86) The term new systematics was coined by
a) Lamarck
b) Linnaeus
c) Huxley
d) Hutchinson

87) Which taxonomic term may be substituted for any rank in the classification?
a) Class
b) Order
c) Species
d) Taxon

88) The ovary is obliquely placed in
a) Asteraceae
b) Solanaceae
c) Ranunculaceae
d) Cruciferae

89) The winter annual Iberis is commonly called a
a) Pansy
b) Candytuft
c) Poppy
d) Snapdragon

90) In Engler and Prantl’s system of classification
a) Monocots precede dicots
b) Dicots precede monocots
c) Gymnosperms are in between dicots and monocots
d) None of the above

91) A taxon refers to
a) A group of closely related families
b) A particular type of living organism
c) A group of closely related plants or animals
d) Any taxonomic group such as phylum, species or a family

93) Presence of the Casparian strip is a characteristic feature of the
a) Epidermis
b) Pericycle
c) Exodermis
d) Endodermis

94) Commercial cork is obtained from
a) Ficus religiosa
b) Oak (Quercus suber)
c) Pinus
d) Mango

95) In a monocot leaf
a) Bulliform cells are absent from the epidermis
b) Veins form a network
c) Mesophyll is well differentiated into palisade and spongy parenchyma
d) Mesophyll is not differentiated into palisade and spongy parenchyma

96) Angular collenchyma cells are found in
a) Althea sps.
b) Cucurbita sps.
c) Lactuca sps.
d) Salvia sps.

97) Cortex and pith are not distinguished in a
a) Monocot stem
b) Monocot root
c) Dicot stem
d) Dicot root

98) Which of the following is anucleate at maturity?
a) Sieve cell
b) Companion cell
c) Cortical cell
d) palisade cell

99) All the pulses belong to the family
a) Cruciferae
b) Leguminosae
c) Malvaceae
d) Gramineae

100) The peptidoglycan polymer forms the cell wall of
a) Fungi
b) Eukaryotes
c) Prokaryotes
d) Higher plants


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