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Assertion: The bryophytes exist in two phases - gametophyte and sporophyte.
Reason: The sporophyte is nutritionally independent.
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Important Questions on Classification of Plant Kingdom
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Match the plant with the kind of life cycle it exhibits:
| List-I | List-II | ||
| (a) | Spirogyra | (i) | Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte |
| (b) | Fern | (ii) | Dominant haploid free-living gametophyte |
| (c) | Funaria | (iii) | Dominant diploid sporophyte alternating with reduced gametophyte called prothallus |
| (d) | Cycas | (iv) | Dominant haploid leafy gametophyte alternating with partially dependent mutlicellular sporophyte |
Choose the correct answer from the options given below:
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(a) Mosses and lichens are the first organisms to colonize 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 sporophytes.
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Assertion (A): In evolution, the distribution of Bryophytes and Pteridophytes, was limited.
Reason (R) : The need for water for the transportation of male gametes and fertilization limited their distribution.
The correct option among the following is:
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Identify the figures given below marked as A, B, C, and D.
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Pteriodophytes, especially ferns possess the following characteristics
i) Circinate vernation
ii) Ramenta
iii) Eustele
iv) Paraphysis
The correct combination is
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Assertion (A): Bryophytes are the amphibians of the plant kingdom.
Reason (R): They are found in swamps and areas, where water and land meet.
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