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Cryptogamae

Which of the ...

Question

Which of the following is correct in case of homosporous pteridophytes?

A

All the sporangia are similar

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B

Male and female gametophytes exist

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C

Two different types of spores are present

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D

None of the above

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Solution

The correct option is A All the sporangia are similar
Homosporous pteridophytes produce only one type of spores. Also, all the sporangia in a homosporous pteridophyte are similar.
So, the correct option is 'All the sporangia are similar'.

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Similar questions

Q. Read the following five statements ( A to E ) and select the option with all correct statements.

(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) The 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 sporophyte.

Q. State whether the following statements are true or false.
Heterospory refers to the production of two different kinds of spores, one of which gives rise to male gametophyte and the other-female gametophyte

Q. Plants belonging to gymnosperm are homosporous as they produce one type of spores.

Q. In pteridophytes
(a) Spores are always of two kinds
(b) Vascular tissues are present
(c) The sporophyte is parasitic over the photosynthetic gametophyte
(d) The development of zygotes into young embryos takes place within the female gametophytes

Q. Select correct statements for non-vascular archegoniates.
A. Independent sporophyte and gametophyte
B. Dependent sporophyte
C. Multicellular independent gametophyte
D. Many neck canal cells in female sex organ
E. Homosporous and mitospores are formed

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