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Q. No.Cycas and Adiantum resemble each other in having
(1) seeds
(2) motile sperms
(3) cambium
(4) vessels
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Which 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
Difficulty Level:
Gymnosperms are also called soft wood spermatophytes because they lack
(1) cambium
(2) phloem fibres
(3) thick-walled tracheids
(4) xylem fibres
Difficulty Level:
Compared 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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The gametophyte is not an independent, free living generation in
(1) Adiantum
(2) Marchantia
(3) Pinus
(4) Polytrichum
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Archegoniophore is present in
(1) Chara
(2) Adiantum
(3) Funaria
(4) Marchantia
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A prokaryotic autotrophic nitrogen fixing symbiont is found in
(1) Cycas
(2) Cicer
(3) Pisum
(4) Alnus
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Male and female gametophytes are independent and free-living in
(1) mustard
(2) castor
(3) Pinus
(4) Sphagnum
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Which one of the following has haplontic life cycle?
(1) Funaria
(2) Polytrichum
(3) Ustilago
(4) Wheat
Difficulty Level:
Phylogenetic system of classification is based on
(1) evolutionary relationships
(2) morphological features
(3) chemical constituents
(4) floral characters
Difficulty Level:
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