Select the correctly matched ones. `{:(I.,"Phaeophyceae",-,"Mannitol"),(II.,"Rhodophyceae",-,"Dictyota"),(III.,"Chlorophyceae",-,"Non-motile gametes"),(IV.,"Rhodophyceae",-,"r-phycoerythein"):}`A. I, II and IIIB. II, III and IVC. I and IIID. I and IV

Select the correctly matched ones. `{:(I.,"Phaeophyceae",-,"Mannitol")

1.	Select the correctly matched ones. `{:(I.,"Phaeophyceae",-,"Mannitol"),(II.,"Rhodophyceae",-,"Dictyota"),(III.,"Chlorophyceae",-,"Non-motile gametes"),(IV.,"Rhodophyceae",-,"r-phycoerythein"):}`A. I, II and IIIB. II, III and IVC. I and IIID. I and IV
Answer» Correct Answer - D

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Which of the following is not a heterosporous genera of pteridophytes ?A. SelaginellaB. IsoetesC. MarsileaD. None of these
Antheridium of pteridophytes possess a jacket ofA. 3 cellsB. 4 cellsC. 6 cellsD. 1 cell
Actinostele is not present inA. PsilotumB. Lycopodium serratumC. SelaginellaD. Asteroxylon
Antherozoids of Dryopteris areA. non-flagellatedB. spirally - coiledC. minuteD. irregularly coiled
Antherozoids of Dryopteris areA. multiciliated and coiledB. multiciliated and sickle- shapedC. biciliated and coiledD. biciliated and sickle- shaped
Gametophyte of pteridophyte isA. short-lived, free - living and sexual organ bearingB. heart-shaped, dependent on sporophyte and sex-organ bearingC. fibre-like and dependent on sporophyteD. semiparasite on sporophyte
Evolution of seed habit first started inA. thalloid bryophytesB. Psilotum like ancestral pteridophytesC. gymnospermsD. mosses
Seed habit is linked toA. homosporyB. heterosporyC. parthenogenesisD. parthenocarpy
The gametophyte of pteridophyte grows in damp, moist and shady places becauseA. they are limited and restricted to a narrow geographical regionB. they need water for fertilisation of gametesC. water is required for gamete formationD. egg cell swims in water to reach to the antheridia
Selaginella a pteridophyte shows some advances towards the seed habit. Consider the following statement. I. Development and retention of embryo inside megasporangium. II. Homospory. III. Formation of serveral megaspores within a megasporangium . IV. Enhancement in the size of male gametophyte. Choose the incorrect statements with regard to prerequisites for seed habit .A. I and IIIB. I and IVC. II, III and IVD. None of these

Select the correctly matched ones. `{:(I.,"Phaeophyceae",-,"Mannitol"),(II.,"Rhodophyceae",-,"Dictyota"),(III.,"Chlorophyceae",-,"Non-motile gametes"),(IV.,"Rhodophyceae",-,"r-phycoerythein"):}`A. I, II and IIIB. II, III and IVC. I and IIID. I and IV

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