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The leaves in pteridophytes are small (microphylls) as in______(i)_____ & large (macrophylls) as in_____(ii)______ i & ii are respectively.

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Important Questions on Plant Kingdom

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Alpha Question Bank for Medical: Biology>Chapter 3 - Plant Kingdom>Exercise-1>Q 3
In Gymnosperm the male or female cones or strobili may be borne on the same tree______(i)______ or on different tree______(ii)______. In this question (i) & (ii) are
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Alpha Question Bank for Medical: Biology>Chapter 3 - Plant Kingdom>Exercise-1>Q 4
Algae which shows haplo-diplontic alternation of generation
(i) Laminaria
(ii) Ectocarpus
(iii) Polysiphonia
(iv) Batrachospermum
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Alpha Question Bank for Medical: Biology>Chapter 3 - Plant Kingdom>Exercise-2>Q 1

Match column I with column II

  Column I   Column II
(A) Unicellular algae (i) Hydrodictyon or water net
(B) Motile colony (ii) Volvox
(C) Nonmotile colony (iii) Ulothrix, Spirogyra
(D) Filamentous (iv) Chlamydomonas
(E) Massive plant body (v) Kelps
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Alpha Question Bank for Medical: Biology>Chapter 3 - Plant Kingdom>Exercise-2>Q 2
Read statement (A-D) & find which is/are wrong statement
(A) Asexual reproduction in liver worts takes place by fragmentation of thalli or by the formation of a specialised structure called Gemmae
(B) Bryophytes are known as a amphibians of plant kingdom
(C) Funaria, Polytrichum & Sphagnum are classified under mosses.
(D) Vascular tissues (xylem & phloem) are present in Bryophytes.
 
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Alpha Question Bank for Medical: Biology>Chapter 3 - Plant Kingdom>Exercise-2>Q 3
Which statement is/are correct
(A) In Riccia Rhizoids are unicellular
(B) In Anthoceros Rhizoids are unicellular
(C) In mosses Rhizoids are multicellular
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Alpha Question Bank for Medical: Biology>Chapter 3 - Plant Kingdom>Exercise-2>Q 5
Read statement A to D & find out how many is/are incorrect statement
(A) In majority of the pteridophytes, all the spores are of similar kinds.
(B) Genera like Selaginella & Salvinia produce two kind of spore.
(C) The development of the zygote into young embryos takes place within the female gametophytes. This event is a precursor to the seed habit.
(D) Azolla is an aquatic fern that is used as biofertilizer due to presence of nitrogen fixing cyanobacteria, Anabaena in its leaves
 
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Alpha Question Bank for Medical: Biology>Chapter 3 - Plant Kingdom>Exercise-2>Q 6
Roots in some genera of Gymnosperm have fungal association in the form of mycorrhiza in_______(i)________while in some others like________(ii)________ small specialised roots called coralloid roots are associated with N2 fixing cyanobacteria. The stems are unbranched in _____(iii)______ or branched in______ (iv) _________In this question (i), (ii), (iii) & (iv) are respectively.
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Alpha Question Bank for Medical: Biology>Chapter 3 - Plant Kingdom>Exercise-2>Q 7
Which is/are wrong regarding gymnosperms
(A) Heterosporous
(B) Produce haploid microspore & megaspore
(C) Two kind of spore are produced within sporangia that are borne on sporophyll
(D) The microspores develop into a male gametophytic generation, which is highly reduced.