03. Pteridophytes
Plant kingdom

259405 Salient features like Embriophytic Tracheophytic, Cryptogams refers to

1 Angiosperms
2 Gymnosperms
3 Pteridophytes
4 Bryophytes
Plant kingdom

259407 Which statements regarding heterospory are correct?
(i) The megaspores and microspores germinate and give rise to female and male gametophytes respectively.
(ii) The female gametophytes in these plants are retained on the parent sporophytes for variable periods.
(iii) The development of the zygotes into young embryos takes place within the female gametophytes.
(iv) This event is a precursor to the seed habit considered as an important step in the evolution.
Options:

1 (i), (ii) \& (iii) only
2 (ii) \& (iv) only
3 (i), (ii), (iii) \& (iv)
4 (i), (iii) \& (iv) only
Plant kingdom

259413 A well developed archegonium with neck consisting of 4-6 rows and neck canal cells, characterises

1 Gymnosperms and flowering plants
2 Pteridophytes and gymnosperms
3 Gymnosperms only
4 Bryophytes and pteridophytes
Plant kingdom

259414 Pteridophytes differ from mosses/bryophytes in possessing

1 Independent gametophyte
2 Well developed vascular system
3 Archegonia
4 Flagellate spermatozoids
Plant kingdom

259405 Salient features like Embriophytic Tracheophytic, Cryptogams refers to

1 Angiosperms
2 Gymnosperms
3 Pteridophytes
4 Bryophytes
Plant kingdom

259407 Which statements regarding heterospory are correct?
(i) The megaspores and microspores germinate and give rise to female and male gametophytes respectively.
(ii) The female gametophytes in these plants are retained on the parent sporophytes for variable periods.
(iii) The development of the zygotes into young embryos takes place within the female gametophytes.
(iv) This event is a precursor to the seed habit considered as an important step in the evolution.
Options:

1 (i), (ii) \& (iii) only
2 (ii) \& (iv) only
3 (i), (ii), (iii) \& (iv)
4 (i), (iii) \& (iv) only
Plant kingdom

259413 A well developed archegonium with neck consisting of 4-6 rows and neck canal cells, characterises

1 Gymnosperms and flowering plants
2 Pteridophytes and gymnosperms
3 Gymnosperms only
4 Bryophytes and pteridophytes
Plant kingdom

259414 Pteridophytes differ from mosses/bryophytes in possessing

1 Independent gametophyte
2 Well developed vascular system
3 Archegonia
4 Flagellate spermatozoids
Plant kingdom

259405 Salient features like Embriophytic Tracheophytic, Cryptogams refers to

1 Angiosperms
2 Gymnosperms
3 Pteridophytes
4 Bryophytes
Plant kingdom

259407 Which statements regarding heterospory are correct?
(i) The megaspores and microspores germinate and give rise to female and male gametophytes respectively.
(ii) The female gametophytes in these plants are retained on the parent sporophytes for variable periods.
(iii) The development of the zygotes into young embryos takes place within the female gametophytes.
(iv) This event is a precursor to the seed habit considered as an important step in the evolution.
Options:

1 (i), (ii) \& (iii) only
2 (ii) \& (iv) only
3 (i), (ii), (iii) \& (iv)
4 (i), (iii) \& (iv) only
Plant kingdom

259413 A well developed archegonium with neck consisting of 4-6 rows and neck canal cells, characterises

1 Gymnosperms and flowering plants
2 Pteridophytes and gymnosperms
3 Gymnosperms only
4 Bryophytes and pteridophytes
Plant kingdom

259414 Pteridophytes differ from mosses/bryophytes in possessing

1 Independent gametophyte
2 Well developed vascular system
3 Archegonia
4 Flagellate spermatozoids
Plant kingdom

259405 Salient features like Embriophytic Tracheophytic, Cryptogams refers to

1 Angiosperms
2 Gymnosperms
3 Pteridophytes
4 Bryophytes
Plant kingdom

259407 Which statements regarding heterospory are correct?
(i) The megaspores and microspores germinate and give rise to female and male gametophytes respectively.
(ii) The female gametophytes in these plants are retained on the parent sporophytes for variable periods.
(iii) The development of the zygotes into young embryos takes place within the female gametophytes.
(iv) This event is a precursor to the seed habit considered as an important step in the evolution.
Options:

1 (i), (ii) \& (iii) only
2 (ii) \& (iv) only
3 (i), (ii), (iii) \& (iv)
4 (i), (iii) \& (iv) only
Plant kingdom

259413 A well developed archegonium with neck consisting of 4-6 rows and neck canal cells, characterises

1 Gymnosperms and flowering plants
2 Pteridophytes and gymnosperms
3 Gymnosperms only
4 Bryophytes and pteridophytes
Plant kingdom

259414 Pteridophytes differ from mosses/bryophytes in possessing

1 Independent gametophyte
2 Well developed vascular system
3 Archegonia
4 Flagellate spermatozoids