PLANT KINGDOM NEET MCQ
Q61. An example of colonial alga is
(1) Chlorella
(2) Volvox
(3) Ulothrix
(4) Spirogyra
Ans.2
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Q62. Life cycle of Ectocarpus and
Fucus respectively are
(1) Haplontic, Diplontic
(2) Diplontic, Haplodiplontic
(3) Haplodiplontic, Diplontic
(4) Haplodiplontic, Haplontic
Ans.3
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Q63.Conifers are adapted to tolerate extreme environmental conditions
because of
(1) Broad hardy leaves
(2) Superficial stomata
(3) Thick cuticle
(4) Presence of vessels
Ans.3
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Q64. Which one of the following statements is wrong?
(1) Algae increase the level of
dissolved oxygen in the
immediate environment
(2) Algin is obtained from red algae,
and carrageenan from brown algae
(3) Agar-agar is obtained from
Gelidium and Gracilaria
(4) Laminaria and Sargassum are
used as food
Ans.2
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Q65. Select the correct statement
(1)The leaves of gymnosperms are not well adapted to extremes
of climate
(2)Gymnosperms are both
homosporous and heterosporous
(3)Salvinia, Ginkgo and Pinus
all are gymnosperms
(4)Sequoia is one of the tallest trees
Ans.4
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Q66.Which one is a wrong statement?
(1)Brown algae have chlorophyll
a and c, and fucoxanthin
(2)Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms
(3)Mucor has biflagellate zoospores
(4)Haploid endosperm is typical
feature of gymnosperms
Ans.3
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Q67. Read the following five
statements and select the option
with all correct statements
(A)Mosses and Lichens are the first organisms to colonise a bare rock
(B)Selaginella is a homosporous pteridophyte
(C)Coralloid roots in Cycas have VAM
(D)Main plant body in bryophytes is gametophytic, whereas in
pteridophytes it is sporophytic
(E)In gymnosperms, male and female gametophytes are present within
sporangia located on sporophyte.
(1) (B), (C) and (E)
(2) (A), (C) and (D)
(3) (B), (C) and (D)
(4) (A), (D) and (E)
Ans.4
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Q68. In which of the following
gametophyte is not independent
free living?
(1) Pinus
(3) Marchantia
(2) Funaria
(4) Pteris
Ans.1
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Q69. Which one of the following statements is wrong?
(1) Mannitol is stored food in Rhodophyceae
(2) Algin and carrageen are
products of algae
(3) Agar-agar is obtained from
Gelidium and Gracilaria
(4) Chlorella and Spirulina are
used as space food
Ans.1
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Q70.Male gametes are flagellated in
(1) Spirogyra
(2) Polysiphonia
(3) Anabaena
(4) Ectocarpus
Ans.4
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