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NEET Biology MCQ
Biological Classification Kingdom Plantae MCQ
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Q.1
Which of the following pairs is of unicellular algae? [NEET 2020]
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a) Anabaena and Volvox
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b) Chlorella and Spirulina
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c) Laminaria and Sargassum
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d) Gelidium and Gracilaria
Explanation
Answer : (b)
Q.2
From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in ... [NEET 2019]
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a) Liverworts
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b) Mosses
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c) Pteridophytes
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d) Gymnosperms
Explanation
In Pteridophyte, megaspore is retained for some times in female gametophyte, however the permanent retention is required for seed formation in Gymnosperms. That's why Pteridophytes exhibit precursor to seed habit only. Answer : (c)
Q.3
Plants having little or no secondary growth are ... .. [NEET 2019]
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a) Conifers
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b) Deciduous angiosperms
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c) Grasses
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d) Cycads
Explanation
Answer : (c)
Q.4
Which one is wrongly matched ? [NEET 2018]
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a) Gemma cups – Marchantia
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b) Biflagellate zoospores – Brown algae
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c) Uniflagellate gametes – Polysiphonia
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d) Unicellular organism – Chlorella
Explanation
Answer : (c)
Q.5
Strobili or cones are found in .... [ NEET 2020]
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a) Marchantia
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b) Equisetum
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c) Salvinia
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d) Pteris
Explanation
Answer : (b)
Q.6
Primitive type of stomata occur in Moss over … [ BHU 2008]
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a) Apophysis
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b) Leaves
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c) Axis
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d) All the above
Explanation
Answer : (a)
Q.7
A plant in which sporophytic generation is represented by zygote only … [ RPMT 2006]
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a) Pinus
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b) Selaginella
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c) Chlamydomonas/ Ulothrix
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d) Dryopteris
Explanation
Answer : (c)
Q.8
In which of the following plants gametophytic phase is dominant? [ KCET 2011]
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a) Fern
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b) Moss/Riccia
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c) Angiosperm
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d) Cycas
Explanation
Answer : (b)
Q.9
Which is not a monocot? … [ BHU 2005]
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a) Rose
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b) Palm
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c) Orchid
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d) Banana
Explanation
Answer : (a)
Q.10
Meiosis occurs in Funaria in .. [ AMU 1998]
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a) archegonium cells
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b) Spore mother cells
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c) Zygotic cells
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d) Antheridial cells
Explanation
Answer : (b)
Q.11
Two algae which produce agar-agae are … [ MPPMT 1991]
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a) Nostoc and Anabaena
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b) Volvox and Vaucheria
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c) Gracilaria and Gelidium
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d) Harveyella and Porphyra
Explanation
Answer : (c)
Q.12
Oogamous sexual reproduction involves fusion of … [ AMU 1998]
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a) Motile and nonmotile gametes
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b) Similar gametes
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c) Dissimilar motile gametes
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d) Dissimilar nonmotile gametes
Explanation
Answer : (a)
Q.13
Kidney-shaped soral covering of Dryopteris is … [ BHU 2008]
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a) Ramentum
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b) Placenta
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c) Indusium
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d) Sporophyll
Explanation
Answer : (c)
Q.14
Pollen grains of Pinus are … [ JKCMEE 2007]
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a) Monosaccate
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b) Bisaccate
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c) Trisaccate
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d) Non-saccate
Explanation
Answer : (b)
Q.15
First vascular plants were …
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a) Thallophyte
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b) Bryophyte
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c) Spermatophyte
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d) Pteridophyte
Explanation
Answer : (d)
Q.16
Female gametophyte of a heterosporous fern is …
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a) Archegonium
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b) Protonema
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c) Prothallus
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d) Megasporangium
Explanation
Answer : (d)
Q.17
Female sex organs of bryophytes are called … [ BHU 2000]
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a) Oogonia
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b) Ascogonia
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c) Archegonia
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d) Antheridia
Explanation
Answer : (c)
Q.18
Juvenile state of moss is … [ CPMT 1994]
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a) Protonema
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b) Capsule
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c) Prothallus
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d) All the above
Explanation
Answer : (a)
Q.19
Funaria differs from Pteridium in absence of … [ RPMT 2006]
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a) Root
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b) Stem
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c) Archegonia
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d) Embryo
Explanation
Funaria:These are primitive multicellular, autotrophic, shade loving, amphibious plants. They reproduce by spore formation. They have no vascular system. Root like structures called rhizoids are present Pteridium:The mature plant body is sporophytic and can be differentiated into rhizome, roots and leaves. It grows horizontally, 8-12 cm. beneath the surface of the soil. It is long, slender and branched Answer : (a)
Q.20
During fertilization in ferns, male gamete reaches the female gamete through the agency of … [ HPPMT 2005]
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a) Wind
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b) Water
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c) Insects
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d) Chemicals
Explanation
Fertilisation occurs when the fern's egg and sperm combine to form a zygote. Ferns require water to enable the movement of the sperm to reach the egg. Sperm have flagella, which are whip-like tails that allow them to swim. In order to swim, they need water. This means ferns can only successfully reproduce in wet places, or after a rain. After fertilization, the sporophyte grows up on top of the gametophyte. Answer : (b)
Q.21
Vessels and companion cells occur in … [ BHU 1999]
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a) Angiosperms
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b) Gymnosperms
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c) Pteridophytes
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d) Viruses
Explanation
Answer : (a)
Q.22
Basal cell of Ulothrix is …. [CPMT 1991]
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a) Extra green
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b) Colourless
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c) Full of reserve food
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d) Without a nucleus
Explanation
Answer : (b)
Q.23
Cycas is living fossil as it has .. [ BHU 1992]
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a) Ciliated sperms
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b) Structure like that of Tree Fern
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c) Restricted occurrence in certain areas
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d) Been found in fossil state also
Explanation
Answer : (d)
Q.24
Frog Spawn Alga is … [ DPMT 2003]
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a) Batrachospermum
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b) Chlamydomonas
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c) Fucus
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d) Gelidium
Explanation
Answer : (a)
Q.25
Which does not occur in thallus of Marchantia … [ Chd. CET 2012]
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a) Nostoc
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b) Oil cells
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c) Starch grains
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d) Reticulate thickenings
Explanation
Answer : (a)
Q.26
The most common mode of reproduction in Spirogyra is …[ EAMCET 1996]
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a) Conjugation
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b) Aplanospore formation
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c) Fragmentation
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d) All the above
Explanation
Answer : (c)
Q.27
Apophysis occurs in … [ JKCMEE 2000]
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a) Marchantia
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b) Pteridium
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c) Apocynaceae
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d) Mosses
Explanation
Answer : (d)
Q.28
Vascular cryptogams are … [ RPMT 2005] ans: b
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a) Gymnosperms
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b) Pteridophytes/Ferns
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c) Bacteroides
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d) Angiosperms
Explanation
Answer : (b)
Q.29
Protonema occurs in the life cycle of … [ AFMC 1990]
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a) Riccia
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b) Funaria/Moss
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c) Dryopteris
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d) Spirogyra
Explanation
Answer : (b)
Q.30
A plant in which sporophytic generation is represented by zygote only … [ RPMT 2006]
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a) Pinus
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b) Selaginella
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c) Chlamydomonas/ Ulothrix
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d) Dryopteris
Explanation
Answer : (c)
Q.31
Prothallus represents the … [ BHU 2001]
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a) Gametophytic phase in Pteridophytes
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b) Sporophytic phase of Pteridophytes
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c) Sporophytic phase in Gymnosperms
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d) Sporophytic phase in Angiosperms
Explanation
Answer : (a)
Q.32
In Spirogyra sexual reproduction occurs through ….
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a) Conjugation
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b) Physiological isogamy
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c) Morphological anisogamy
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d) Oogamy
Explanation
Spirogyra species can reproduce both sexually and asexually. Asexual, or vegetative, reproduction occurs by simple fragmentation of the filaments. Sexual reproduction occurs by a process known as conjugation, in which cells of two filaments lying side by side are joined by outgrowths called conjugation tubes. This allows the contents of one cell to completely pass into and fuse with the contents of the other. The resulting fused cell (zygote) becomes surrounded by a thick wall and overwinters, while the vegetative filaments die. Answer : (a)
Q.33
Cycas has two cotyledons but is not included under angiosperms because it has … [ CBSE 2001]
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a) Circinate ptyxis
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b) Compound leaves
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c) Monocot like stem
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d) Naked seeds
Explanation
Answer : (d)
Q.34
Foliar gap in vascular cylinder of fern is … [ CPMT 1990]
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a) Exclusive phloem area
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b) Exclusive xylem area
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c) Parenchymatous zone
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d) Air space
Explanation
Answer : (c)
Q.35
Which one grows over molluscan shell .. [ AMU 2003]
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a) Characium
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b) Spirogyra
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c) Cladophora
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d) Protoderma
Explanation
Answer : (c)
Q.36
Transfusion tissue can be traced in …
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a) Fern rhizome
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b) Fern prothallus
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c) Coralloid roots
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d) Leaves of Cycas
Explanation
Answer : (d)
Q.37
Father of Indian Bryology is … [ CPMT 1998]
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a) Raj kumar
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b) S.R.Kashyap
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c) Maheshwari
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d) Khurana
Explanation
Answer : (b)
Q.38
‘Non-flagellate’ gametes occur in … [ MPPMT 2000 ]
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a) Ulothrix
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b) Spirogyra
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c) Funaria
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d) Selaginella
Explanation
Answer : (b)
Q.39
Microsporangia occur on the microsporophyll of Cycas on … [ AIIMS 1996]
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a) Abaxial side
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b) Adaxial side
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c) Axils
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d) Margins
Explanation
Answer : (a)
Q.40
Moss sporophyte does not possess … [ MPPMT 2000]
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a) Elaters
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b) Seta
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c) Foot
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d) Columella
Explanation
Answer : (a)
Q.41
A medicine for respiratory disorders is obtained from … [ DPMT 2001]
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a) Cannabis
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b)Eucalyptus
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c) Ephedra
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d) Saccharum
Explanation
Answer : (c)
Q.42
Kelps are … [ Pb PMT 2000]
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a) Fresh water algae
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b) Marine algae
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c) Terrestrial plants
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d) Amphibious plants
Explanation
Answer : (b)
Q.43
Which class is included under gymnosperms? ..[kerala 2009]
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a) Cycadopsida
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b) Pteropsida
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c) Sphenopsida
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d) Lycopsida
Explanation
Answer : (a)
Q.44
Algae differ from bryophytes in having … [ MPPMT 1998]
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a) Chlorophyll a and b
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b) Naked sex organs
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c) Jacketed sex organs
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d) Aerobic respiration
Explanation
Answer : (b)
Q.45
Gymnosperms differ from pteridophytes … [ RPMT 2000]
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a) Naked ovule
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b) Circinate ptyxis
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c) Leaf arrangement
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d) Gametophyte
Explanation
Answer : (a)
Q.46
Which of the following algal groups has no motile stage … [ CET Chd 2010]
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a) Red
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b) Green
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c) Brown
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d) Yellow
Explanation
Answer : (a)
Q.47
Pigment mainly responsible for photosynthesis in red algae is … [ JIPMER 2000] Explanation is provided please click on
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a) Phycoerythrin
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b) Chlorophyll a
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c) Carotene
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d) Xanthophyll
Explanation
Red algae have chlorophyll a and d. They also have the pigments r-phycoerythrin(a large amount which gives them their color) and r-phycocyanin. Brown algae has Chlorophyll a and c. It also has the pigment fucoxanthin responsible for it's brown color and xanthophylls. Phycoerythrin is accessory to the main chlorophyll pigments responsible for photosynthesis Carotene These are orangeaccessory to the main photosynthetic pigments found in plants and plays an important role in photosynthesis. They transmit the light energy that they absorb from chlorophyll. Xanthophyll These are the yellow pigment of the leaves and are classified as accessory pigments which absorbs the wavelength that chlorophyll cannot absorb Answer : (b)
Q.48
Zoospores are absent in … [ Odisha 2012]
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a) Vaucheria
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b) Spirogyra
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c) Cladophora
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d) Chlamydomonas
Explanation
Answer : (b)
Q.49
Science of algae is …. [ AFMC 1994]
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a) Phycology
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b) Mycology
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c) Oceanology
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d) Microbiology
Explanation
Answer : (a)
Q.50
Pacific Yew is … [ Odisha 2004]
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a) Acacia samana
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b) Taxus samana
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c) Paradisiaca brevifolia
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d) Taxus brevifolia
Explanation
Answer : (d)
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