Which one is a wrong statement?
(1) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms.
(2) Mucor has biflagellate zoospores.
(3) Haploid endosperm is typical feature of gymnosperm.
(4) Brown algae have chlorophyll-a and c, and fucoxanthin.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRead the following five statements (I to V) and select the option with all correct statements.
I. Mosses and lichens are the first organisms to colonise a bare rock.
II. Selaginella is a homosporous pteridophyte.
III. Coralloid roots in Cycas have VAM.
IV. main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.
V. In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.
(1) I, III and IV
(2) II, III and IV
(3) I, IV and V
(4) II, III and V
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyZygotic meiosis is characteristic of
(1) Marchantia
(2) Fucus
(3) Funaria
(4) Chlamydomonas
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn example of colonial alga is
(1) Chlorella
(2) Volvox
(3) Ulothrix
(4) Spirogyra
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect the mismatch
(1) |
Pinus |
Dioecious |
(2) |
Cycas |
Dioecious |
(3) |
Salvinia |
Heterosporous |
(4) |
Equisetum |
Homosporous |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDouble fertilisation is exhibited by
(1) gymnosperms
(2) algae
(3) fungi
(4) angiosperms
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLife cycle of Ectocarpus and Fucus respectively are
(1) Haplontic, Diplontic
(2) Diplontic, Haplodiplontic
(3) Haplodiplontic, Diplontic
(4) Haplodiplontic, Haplontic
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConifers are adapted to tolerate extreme environmental conditions because of
(1) broad hardy leaves
(2) superficial stomata
(3) thick cuticle
(4) the presence of vessels
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following statements is wrong?
(1) Algae increases the level of dissolved oxygen in the immediate environment
(2) Algin is obtained from red algae and carrageen from brown algae
(3) Agar-agar is obtained from Gelidium and Gracilaria
(4) Laminaria and Sargassum are used as food
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn bryophytes and pteriodophytes, transport of male gametes requires
1. insects
2. birds
3. water
4. wind
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology