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Quiz 5
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Q.1
Gymnosperms/ Cycas have a mode of pollination called … [ CET Chd 1997]
0%
a) Zoophily
0%
b) Anemophily
0%
c) Entomophily
0%
d) Hydrophily
Explanation
Answer : (b)
Q.2
What is incorrect for brown algae .. [ DPMT 2007]
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a) Presence of chlorophyll a and chlorophyll c
0%
b) Occurrence of fucoxanthin
0%
c) Presence of chlorophyll a and chlorophyll b
0%
d) Attachment to substratum
Explanation
Answer : (c)
Q.3
Gametophyte is not an independent free living generation in … [ CBSE 2011]
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a) Marchantia
0%
b) Adiantum
0%
c) Pinus
0%
d) Polytrichum
Explanation
Answer : (c)
Q.4
Number of integuments present in the ovule of Pinus/Cycas is …
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a) Two
0%
b) Three
0%
c) One
0%
d) Four
Explanation
Answer : (c)
Q.5
The gametophyte of Funaria is … [ AMU 1997]
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a) Dioecious and autoicous
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b) Monoecious and autoicous
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c) Monoecious and heteroicous
0%
d) Dioecious and heteroicous
Explanation
Answer : (b)
Q.6
Thin-walled non flagellate spores are … [ CET Chd 2000]
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a) Zoospores
0%
b) Aplanospore
0%
c) Hypnospore
0%
d) Zygospore
Explanation
Answer : (b)
Q.7
Moss plants develop from … [ MPPMT 1995]
0%
a) Oospores
0%
b) Protonema
0%
c) Antherozoids
0%
d) Diploid spores
Explanation
Answer : (b)
Q.8
In Cycas the endosperm is … [ CPMT 1997]
0%
a) Sporophytic structure
0%
b) Gametophytic structure
0%
c) New structure
0%
d) Formed after fertilization
Explanation
Answer : (b)
Q.9
Giant algae/sea weeds belong to … [ Bih PMT 1995]
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a) Xanthophyceae
0%
b) phaeophyceae
0%
c) Rhodophyceae
0%
d) Chlorophyceae
Explanation
Answer : (b)
Q.10
A pteridophyte having pyrenoid in its chloroplasts is … [ DPMT 1997]
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a) Pteridium
0%
b) Selaginella
0%
c) Equisetum
0%
d) Marsilea
Explanation
Answer : (b)
Q.11
Sperm of Fern enters an archegonium due to … [ CET Chd 1997]
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a) Chemotaxy
0%
b) Phototaxy
0%
c) Thermotaxis
0%
d) Cyclosis
Explanation
Answer : (a)
Q.12
Prothallus (gametophyte) gives rise to fern plant (sporophyte) without fertilization. It is …
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a) Apospory
0%
b) Apogamy
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c) Parthenocarpy
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d) Parthenogenesis
Explanation
Answer : (b)
Q.13
How many of the following are correct a) In Equisetum the female gametophyte is retained on the parent sporophyte b) In Ginkgo, male gametophyte is not independent c) Riccia sporophyte is more developed than that in Polytrichum d) Sexual reproduction in Volvox is isogamous e) The spores of slime moulds lack cell walls
0%
a) One
0%
b) Two
0%
c) Three
0%
d) Four
Explanation
a) The spore of Equisetum germinate shortly after shedding and gives rise to form prothallus. thus (a)is wrong b) In Gymnosperms such as Ginkgo,male and female gametophyte do not have an independent free living existence,They remained with in the sporangia retained on the sporophyte. thus (b)is correct c) The sexual reproduction in Volvox is oogamous type Oogamy is the familiar form of sexual reproduction. It is a form of anisogamy (heterogamy) in which the female gamete (e.g. egg cell) is significantly larger than the male gamete and is non-motile Isogamy is a form of sexual reproduction that involves gametes of similar morphology (similar shape and size), thus (c)is wrong d) slime moulds are surrounded by the plasma membrane only; vegetative phase lacks cell-wall. However, the spores have the cellulose cell walls, thus (d)is wrong From above only statement (b)is correct Answer : (a)
Q.14
Vascular plants lacking vessels and companion cells are …
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a) Angiosperms
0%
b) Thallophytes
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c) Bryophytes
0%
d) Gymnosperms
Explanation
Answer : (d)
Q.15
Apophysis in the capsule of Funaria is …. [ CBSE 1990]
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a) Lower part
0%
b) Upper part
0%
c) Middle part
0%
d) Fertile part
Explanation
Answer : (a)
Q.16
In Pinus, pollen grains develop inside …[ JIPMER 1997]
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a) Anther
0%
b) Tapetum
0%
c) Pollen chamber
0%
d) Microsporangium
Explanation
Answer : (d)
Q.17
The plant group that produces spores and embryo but lacks vascular tissues and seeds is … [ BHU 1995]
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a) Pteridophyta
0%
b) Rhodophyta
0%
c) Bryophyta
0%
d) Phaeophyta
Explanation
Answer : (c)
Q.18
In Cycas, pollination is by … [ DPMT 1999]
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a) Wind
0%
b) Insect
0%
c) Water
0%
d) Both a and b
Explanation
Answer : (a)
Q.19
Leaves of ferns are usually … [ HPPMT 2012]
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a) Macrophylls
0%
b) Microphylls
0%
c) Sporophylls
0%
d) Megasporophylls
Explanation
Answer : (a)
Q.20
Cycas circinalis is a source of … [ CPMT 2005]
0%
a) Timber
0%
b) Resin
0%
c) Sago
0%
d) Essential oil
Explanation
Answer : (c)
Q.21
Pinus is a gymnosperm because it … [ AFMC 1991]
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a) Bears pollen grains
0%
b) Is a large tree growing in colder areas
0%
c) Lacks ovary but possesses exposed ovules
0%
d) Possesses vascular tissues
Explanation
Answer : (c)
Q.22
Which is a character of gymnospermous wood … [ MPPMT 2012]
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a) Porous
0%
b) Ring porous
0%
c) Diffused porous
0%
d) Non-porous
Explanation
Answer : (d)
Q.23
Rhizoids of Riccia are … [ RPMT 2002]
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a) Unicellular smooth
0%
b) Unicellular smooth and tuberculate
0%
c) Multicellular smooth and tuberculate
0%
d) Multicellular tuberculate
Explanation
Answer : (b)
Q.24
Largest unicellular organism is … [ kerala 2004]
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a) Yeast
0%
b) Acetabularia
0%
c) Planaria
0%
d) Volvox
Explanation
Answer : (b)
Q.25
Which one shows aplanetism .. [ BHU 2012
0%
a) Chlamydomonas
0%
b) Ulothrix
0%
c) Spirogyra
0%
d) Saprolegnia
Explanation
Answer : (c)
Q.26
Coenocytic condition is found in … [ HPPMT 2005]
0%
a) Ulothrix
0%
b) Chlamydomonas
0%
c) Spirogyra
0%
d) Vaucheria
Explanation
Answer : (b)
Q.27
Choose the correct order of colours in pigments-chlorophyll, phycoerythrin and fucoxanthin .. [ kerala 2012]
0%
a) Green, brown and red
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b) Green, red and brown
0%
c) Brown, green and red
0%
d) Red, green and brown
Explanation
Answer : (b)
Q.28
Most advanced amongst the dicots is … [
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a) Asteraceae
0%
b) Malvaceae
0%
c) Brassicaceae
0%
d) Fabaceae
Explanation
Answer : (a)
Q.29
Common between bryophytes and pteridophytes is … [ CET Chd 1997]
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a) Absence of sporophyte
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b) Gametophyte dependent on sporophyte
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c) Sporophyte dependent on gametophyte
0%
d) Multicellular sex organs with sterile jacket
Explanation
Answer : (d)
Q.30
Secondary wood of Pinus contains ..[ MPPMT 1993]
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a) Vessels
0%
b) Resin ducts
0%
c) Resin cells
0%
d) Companion cells
Explanation
Answer : (b)
Q.31
“Pond Silk” is common name of … [ kerala 2003]
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a) Corallina
0%
b) Spirogyra
0%
c) Selaginella
0%
d) Chlorella
Explanation
Answer : (b)
Q.32
Plant body is photosynthetic filament in … [ RPMT 2000]
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a) Riccia
0%
b) Chlamydomonas
0%
c) Spirogyra
0%
d) Pteris
Explanation
Answer : (c)
Q.33
Dominant generation in bryophytes is … [ CPMT 2007]
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a) Capsule
0%
b) Sporophyte
0%
c) Seta
0%
d) Gametophyte
Explanation
Answer : (d)
Q.34
Sexual reproduction of Spirogyra is morphologically .. [ MPPMT 1995]
0%
a) Oogamy
0%
b) Isogamy
0%
c) Anisogamy
0%
d) Both isogamy and oogamy
Explanation
Answer : (b)
Q.35
Both heterospory and circinate ptyxis occur in … [ Maipal 2003]
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a) Dryopteris
0%
b) Pinus
0%
c) Cycas
0%
d) Funaria
Explanation
Answer : (c)
Q.36
Which is a character of rhodophyceae .. [ kerala 2012]
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a) Major pigments are chl a and b
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b) Commonly called brown algae
0%
c) Stored food is mannitol and laminarin
0%
d) Flagella are absent
Explanation
Red algae have a number of general characteristics that in combination distinguish them from other eukaryotic groups: absence of flagella and centrioles floridean starch as a storage product and the storage of starch in the cytoplasm phycoerythrin, phycocyanin, and allophycocyanin as accessory pigments this masks the other pigments, Chlorophyll a (no Chlorophyll b), beta-carotene and a number of unique xanthophylls. unstacked thylakoids in plastids no chloroplast endoplasmic reticulum Answer : (a)
Q.37
Which of the following sets belongs to the same class of algae? [ DPMT 2009]
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a) Chara, Fucus, Polysiphonia
0%
b) Volvox, Spirogyra, Chlamydomonas
0%
c) Porphyra, Ectocarpus, Ulothrix
0%
d) Sargassum, Laminaria, Gracilaria
Explanation
Answer : (b)
Q.38
Pyrenoids are the centres for formation of … [ CBSE 1993]
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a) Proteins
0%
b) Enzymes
0%
c) Fat
0%
d) Starch
Explanation
Answer : (d)
Q.39
Number of cotyledons in Zea, Cycas and Pinus are respectively … [ BHU 2000]
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a) 1, 2, 2
0%
b) 1, 1, 2
0%
c) 1, 2, many
0%
d) 2, 2, many
Explanation
Answer : (c)
Q.40
A group of sporangia developing from placenta and covered by indusium is .. [ Bih. PMT 1994]
0%
a) Ramenta
0%
b) Sorus
0%
c) Sporophyll
0%
d) Cone
Explanation
Answer : (b)
Q.41
Fungi resemble algae in presence of similar … [ manipal 2001]
0%
a) Reproductive structures
0%
b) Cell wall constituents
0%
c) Similar chlorophylls
0%
d) Paramylon as reserve food
Explanation
Answer : (a)
Q.42
Cells of two different filaments are involved in conjugation of Spirogyra. The type of sexual reproduction is … [ CPMT 1990]
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a) Scalariform conjugation
0%
b) Indirect lateral conjugation
0%
c) Direct lateral conjugation
0%
d) Terminal conjugation
Explanation
Answer : (a)
Q.43
Pinus pollen is … [ Bih. PMT 1994]
0%
a) Non-winged
0%
b) Rounded
0%
c) Winged
0%
d) Ovoid
Explanation
Answer : (c)
Q.44
The structure that ruptures for dehiscence in moss capsule is … [ CPMT 1990]
0%
a) Operculum
0%
b) Annulus
0%
c) Peristome
0%
d) Calyptra
Explanation
Answer : (b)
Q.45
What is correct … [ Odisha 2002]
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a) Protonema of moss and prothallus of Dryopteris are sporophytic
0%
b) Protonema of moss and prothallus of Dryopteris are gametophytic
0%
c) Moss protonema is sporophytic, Pteris prothallus is gametophytic but plant body of Pteris and Funaria are gametophytic
0%
d) Plant body of moss is gametophytic while that of Dryopteris is both gametophytic and sporophytic
Explanation
Answer : (b)
Q.46
Fern plant is … [ MPPMT 1995]
0%
a) Diploid sporophyte
0%
b) Diploid gametophyte
0%
c) Haploid sporophyte
0%
d) Haploid gametophyte
Explanation
Answer : (a)
Q.47
Dwarf shoot of Pinus is … [ AMU 1999]
0%
a) Shed every year
0%
b) Shed after 2-3 years
0%
c) Shed after five years
0%
d) Never shed
Explanation
Answer : (b)
Q.48
Ulothrix is
0%
a) Attached unbranched filament
0%
b) Attached branched filament
0%
c) Colonial alga
0%
d) Free floating
Explanation
Answer : (a)
Q.49
Algae showing scalariform conjugation is … [ CPMT 1991]
0%
a) Oedogonium
0%
b) Spirogyra
0%
c) Chlamydomonas
0%
d) Ulothrix
Explanation
Answer : (b)
Q.50
Pyrenoid consists of … [ RPMT 1995]
0%
a) Starch around protein
0%
b) Protein around starch
0%
c) Protein only
0%
d) Starch only
Explanation
Answer : (a)
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