Isogamous condition with non-flagellated gametes is found in
(1) Chlamydomonas
(2) Spirogyra
(3) Volvox
(4) Fucus
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBesides paddy fields, cyanobacteria are also found inside vegetative part of
(1) Pinus
(2) Cycas
(3) Equisetum
(4) Psilotum
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRead the following statements (IV) and answer the question which follows them
I. In liverworts, mosses and ferns gametophytes are free living.
II. Gymnosperms and some ferns are heterospores.
III. Sexual reproduction in Fucus, Volvox and Albugo is oogamous.
IV. The sporophyte in liverworts is more elaborate than that in mosses.
How many of the above statements are correct?
(1) One
(2) Two
(3) Three
(4) Four
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMeiosis takes place in
(1) Meiocyte
(2) Conidia
(3) Gemmule
(4) Megaspore
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCycas and Adiantum resemble each other in having
(1) seeds
(2) motile sperms
(3) cambium
(4) vessels
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is a correct statement?
(1) Pteridophyte gametophyte has a protonemal and leafy stage
(2) In gymnosperms female gametophyte is free-living
(3) Antheridiophores and archegoniophores are present in pteridophytes
(4) Origin of seed habit can be traced in pteridophytes
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGymnosperms are also called soft wood spermatophytes because they lack
(1) cambium
(2) phloem fibres
(3) thick-walled tracheids
(4) xylem fibres
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCompared with the gametophytes of the bryophytes, the gametophytes of vascular plants tends to be
(1) larger but to have smaller sex organs
(2) larger and to have large sex organs
(3) smaller and to have smaller sex organs
(4) smaller but to have larger sex organs
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe gametophyte is not an independent, free living generation in
(1) Adiantum
(2) Marchantia
(3) Pinus
(4) Polytrichum
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyArchegoniophore is present in
(1) Chara
(2) Adiantum
(3) Funaria
(4) Marchantia
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology