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Quiz 2
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Q.1
Antheridia and archegonia are sex organs of … [ BHU 1996]
0%
a) Spirogyra
0%
b) Mucor
0%
c) Moss
0%
d) Puccinia
Explanation
Answer : (c)
Q.2
Phloem of angiosperms differs from that of other vascular plants in presence of … [ kerala 2005]
0%
a) Vessels
0%
b) Companion cells
0%
c) Tylosoides
0%
d) Albuminous cells
Explanation
Answer : (b)
Q.3
Fern spermatozoids possess flagella … [ RPMT 1995]
0%
a) Nil
0%
b) One
0%
c) Two
0%
d) Numerous
Explanation
Answer : (d)
Q.4
Which is haploid in Funaria? … [ AMU 1996]
0%
a) Capsule
0%
b) Columella
0%
c) Protonema
0%
d) Seta
Explanation
Answer : (c)
Q.5
A bryophyte of considerable economic importance is … [ BHU 1999]
0%
a) Marchantia
0%
b) Riccia
0%
c) Funaria
0%
d) Sphagnum
Explanation
Answer : (d)
Q.6
Dominant flora, 200 million years ago was that of … [ CET Chd 1997]
0%
a) Angiosperms
0%
b) Gymnosperms
0%
c) Ferns
0%
d) Lycopods
Explanation
Answer : (b)
Q.7
Pigments common to all algae are …. [JIPMER 2004]
0%
a) One
0%
b) Two
0%
c) Three
0%
d) Four
Explanation
Three major classes of photosynthetic pigments occur among the algae: chlorophylls, carotenoids (carotenes and xanthophylls) and phycobilins. Chlorophyll a and carotenes are common to all algae Answer : (c)
Q.8
Which ones of the following statements are true or false? a) Trimerous condition of floral whorls is characteristic of dicotyledons b) Adiantum is also called Walking Fern c) In gymnosperms the vascular system consists of xylem without vessels and phloem with companion cells d) Riccia and Marchantia are liverworts
0%
a) a and b are true, c and d are false
0%
b) a and c are true, b and d are false
0%
c) a and d are true, b and c are false
0%
d) b, c and d are true, a is false
Explanation
Trimerous flowers means flowers which have only 3 petals. They are found in monocot plants Adiantum caudatum, a species of maidenhair fern is called walking fern. It derives from the fact that new plantlets grow wherever the arching leaves of the parent touch the ground, creating a walking effect Riccia is a genus of liverworts in the order Marchantiales. These plants are small and thalloid, that is not differentiated into root, stem and leaf.Marchantia is a genus in the family Marchantiaceae of the order Marchantiales, a group of liverworts. The Marchantia shows differentiation into two layers: an upper photosynthetic layer with a well-defined upper epidermis with pores and a lower storage layer. Answer : (d)
Q.9
Sago is obtained from … [ CPMT 2010]
0%
a) Ginkgo
0%
b) Cycas
0%
c) Pinus
0%
d) Zamia
Explanation
Answer : (b)
Q.10
Carpogonium occurs in … [Chd CET2012]
0%
a) Batrachospermum
0%
b) Spirogyra
0%
c) Albugo
0%
d) Oedogonium
Explanation
Answer : (a)
Q.11
Which is not a feature of gymnosperms? .. [ BHU 2005]
0%
a) Parallel venation
0%
b) Perennial nature
0%
c) Dimorphic branches
0%
d) Xylem with vessels
Explanation
Answer : (d)
Q.12
In prothallus of vascular cryptogams, antherozoids and eggs mature at different times resulting in … [ CBSE 2007]
0%
a) High degree of sterility
0%
b) Apomixis
0%
c) Prevention of self fertilization
0%
d) No change in success rate of fertilization
Explanation
Answer : (c)
Q.13
The storage product of rhodophyceae is … [ BHU 1992]
0%
a) Glycogen
0%
b) Chrysolaminarin
0%
c) Starch
0%
d) Floridean starch
Explanation
Answer : (d)
Q.14
Agar-agar commonly used in bacterial cultures and medication is obtained from … [ BHU 2006]
0%
a) Sargassum
0%
b) Gelidium
0%
c) Ulothrix
0%
d) Ulva
Explanation
Answer : (b)
Q.15
Coralloid roots of Cycas are … [ JIPMER 2000]
0%
a) Negatively geotropic
0%
b) Positively geotropic
0%
c) Positively phototropic
0%
d) Negatively phototropic
Explanation
Answer : (a)
Q.16
Mycorrhiza promotes plant growth by … [ CPMT 2004]
0%
a) Absorbing inorganic ions from soil
0%
b) Serving as plant growth regulator
0%
c) Protecting plant from infection
0%
d) Helping plant in using atmospheric nitrogen
Explanation
Mycorrhizae are particularly important in assisting the host plant with the uptake of phosphorus and nitrogen, two nutrients vital to plant growth. Mycorrhizae actually increase the surface area associated with the plant root, which allows the plant to reach nutrients and water that might not be available otherwise Answer : (d)
Q.17
In Riccia/Marchantia the rhizoids are …. [ CPMT 1991]
0%
a) Branched unicellular
0%
b) Branched multicellular
0%
c) Unbranched multicellular
0%
d) Unbranched unicellular
Explanation
Riccia is a genus of liverworts family Marchantiaceae .These plants are small and thallose, that is not differentiated into root, stem and leaf. In Riccia crystallina the scales are inconspicuous and absent. Rhizoids are unicellular and un-branched Answer : (d)
Q.18
Parasitic alga is Tea and Coffee leaves are infected by … [ BHU 1993]
0%
a) Cephaleuros
0%
b) Sargassum
0%
c) Oedogonium
0%
d) Ulothrix
Explanation
Answer : (a)
Q.19
Algae producing tocopherol …[Odisha2006]
0%
a) Chlorella
0%
b) Synechocystis
0%
c) Chlamydomonas
0%
d) Volvox
Explanation
Answer : (b)
Q.20
Which is incorrect about Cycas? … [ CBSE 1998]
0%
a) Its xylem has vessels
0%
b) It has circinate vernation
0%
c) It does not have well organized female flower
0%
d) Its roots possess some blue-green algae
Explanation
Answer : (a)
Q.21
Prothallus of fern produces … [ MPPMT 2009]
0%
a) Spores
0%
b) Cones
0%
c) Gametes
0%
d) Both a and c
Explanation
Answer : (c)
Q.22
Plant cells possess wall but the same is absent in …
0%
a) Pollen grain
0%
b) Male gamete
0%
c) Female gamete
0%
d) Both b and c
Explanation
Answer : (d)
Q.23
Basal swollen part of ligule of Selaginella is … [ AIIMS 1998]
0%
a) Glossopodium
0%
b) Rhizopodium
0%
c) Protonema
0%
d) Hydathodes
Explanation
Answer : (a)
Q.24
Diploxylic condition occurs in Cycas in
0%
a) Root
0%
b) Stem
0%
c) Coralloid
0%
d) Leaflet
Explanation
The vascular bundle is conjoint, collateral and open. It is diploxylic. The triangular centripetal xylem is well-developed with endarch protoxylem. Centrifugal xylem is represented by two small groups on either side of protoxylem. Phloem is arc- shaped and remains separated from the cambium. Each vascular bundle is surrounded by a bundle sheath. This condition occurs in leaflet of cycas Answer : (b)
Q.25
Halophytic green alga Dunaliella stores … [ DPMT 2007]
0%
a) Glycerol
0%
b) Sorbitol
0%
c) Proline
0%
d) None of the above
Explanation
Answer : (a)
Q.26
Ribbon-shaped chloroplasts occur in .. [ Bih PMT 1996]
0%
a) Chlamydomonas
0%
b) Spirogyra
0%
c) Ulothrix
0%
d) Riccia
Explanation
Answer : (b)
Q.27
The term chromatophores was introduced by … [ AIIMS 1998]
0%
a) Pfeffer
0%
b) Schmitz
0%
c) Singer and Nicolson
0%
d) Compraheti
Explanation
Answer : (b)
Q.28
Vascular cryptogams are … [ CPMT 1996]
0%
a) Bryophytes
0%
b) Spermatophytes
0%
c) Pteridophytes
0%
d) None of the above
Explanation
Answer : (c)
Q.29
A character present in coralloid roots and absent in dicot roots is … [ CPMT 1998]
0%
a) Algal zone
0%
b) Xylem
0%
c) Cortes
0%
d) Pith
Explanation
Answer : (a)
Q.30
Naked seeds are present in … [ DPMT 1996]
0%
a) Angiosperms
0%
b) Gymnosperms
0%
c) Spermatophyte
0%
d) None of the above
Explanation
Answer : (b)
Q.31
What is correct … [ JIPMER 2002]
0%
a) Bryophytes are vascular cryptogams
0%
b) Pteridophytes are homogenous group of tracheophytes
0%
c) Cordaitales grow in gymnosperm forests
0%
d) Gymnosperms are spermatophytes with naked seeds
Explanation
Answer : (d)
Q.32
In Bentham and Hooker’s system of classification, 5 orders and 27 families occur in …
0%
a) Thalamiflorae
0%
b) Disciflorae
0%
c) Calyciflorae
0%
d) Heteromerae
Explanation
Answer : (c)
Q.33
Number of species belonging to gymnosperms is … [ CBSE 1996]
0%
a) 900
0%
b) 1000
0%
c) 700
0%
d) 800
Explanation
Answer : (a)
Q.34
Gametophyte of fern is called … [ CMC 2002]
0%
a) Protonema
0%
b) Prothallus
0%
c) Prembryo
0%
d) Germling
Explanation
Answer : (b)
Q.35
Indusium occurs in … [ BHU 2006]
0%
a) Cycas
0%
b) Chlorella/Algae
0%
c) Pteris/Fern
0%
d) Riccia/Moss
Explanation
Answer : (c)
Q.36
Phycobilin occur in … [ AMU 2003]
0%
a) Green algae
0%
b) Blue-green algae
0%
c) Red algae
0%
d) Both b and c
Explanation
Answer : (d)
Q.37
Pteridophytes/ferns differ from mosses/bryophytes in possessing … [ BHU 1995]
0%
a) Independent gametophyte
0%
b) Well developed vascular system
0%
c) Archegonia
0%
d) Flagellate spermatozoids
Explanation
Answer : (b)
Q.38
Algae growing on animal bodies and shells are called .. [ kerala 2001]
0%
a) Epizoic
0%
b) Epiphytic
0%
c) Sea Lettuce
0%
d) Parasitic
Explanation
Answer : (a)
Q.39
In pteridophytes/ Dryopteris meiosis occurs at the time of … [ AMU 1989]
0%
a) Gamete formation
0%
b) Spore formation
0%
c) Formation of prothallus
0%
d) Formation of sex organs
Explanation
Answer : (b)
Q.40
In fern, archegonia occur on … [ CPMT 2001]
0%
a) Leaves
0%
b) Roots
0%
c) Prothallus
0%
d) Sporophyte
Explanation
Answer : (c)
Q.41
Prothallial cells present in the male gametophyte of Pinus are … [ CPMT 2007]
0%
a) One
0%
b) Two
0%
c) Three
0%
d) Four
Explanation
Answer : (b)
Q.42
Four leaflets occur in … [ CET Chd. 2003]
0%
a) Sesbania
0%
b) Oxalis
0%
c) Marsilea
0%
d) Dryopteris
Explanation
Answer : (c)
Q.43
Sago Palm is … [ CMC 20002]
0%
a) Cycas
0%
b) Cedrus
0%
c) Pinus
0%
d) Taxus
Explanation
Answer : (a)
Q.44
A bryophyte which harbours a nitrogen fixing blue green alga in its thallus is… [ CPMT 2004]
0%
a) Riccia
0%
b) Anthoceros
0%
c) Marchantia
0%
d) Pogonatum
Explanation
Answer : (b)
Q.45
Gametophytic generation is dominant in … [ MPPMT 1998]
0%
a) Pteridophytes
0%
b) Gymnosperms
0%
c) Bryophytes
0%
d) Angiosperms
Explanation
Answer : (c)
Q.46
Which is not true of Pinus .. [ MPPMT 2012]
0%
a) Bracts and ovuliferous scales
0%
b) Tracheids and bordered pits
0%
c) Resin canals and needles
0%
d) Manoxylic wood
Explanation
Answer : (d)
Q.47
Seed of Pinus contains … [ JKCMEE 2002]
0%
a) Parent sporophyte in form of perisperm
0%
b) Endosperm as gametophyte
0%
c) Embryo as future sporophyte
0%
d) All the above
Explanation
Answer : (d)
Q.48
The ‘wing’ of Pinus seed is derived from …[ CBSE 1994]
0%
a) Testa
0%
b) Testa and tegmen
0%
c) Surface of ovuliferous scale
0%
d) All the above
Explanation
Answer : (c)
Q.49
Gemma for vegetative reproduction occurs in … [ Har PMT 1994]
0%
a) Funaria
0%
b) Fern
0%
c) Marchantia
0%
d) Riccia
Explanation
Answer : (c)
Q.50
In bryophytes, the posterior part of archegonium grows to protect the embryo. It is … [ RPMT 1998]
0%
a) Paraphysis
0%
b) Calyptra
0%
c) Apophysis
0%
d) Hypophysis
Explanation
Answer : (b)
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