Read the given statements and select the incorrect ones. (i) Sporophyte in mosses is more elaborate than that in liverworts. (ii) Salvinia is homosporous. (iii) Life-cycle in all spermatophytes is diplontic. (iv) In Cycas, male cones and megasporophylls are borne on the same trees.

Question

Read the given statements and select the incorrect ones. (i) Sporophyte in mosses is more elaborate than that in liverworts. (ii) Salvinia is homosporous. (iii) Life-cycle in all spermatophytes is diplontic. (iv) In Cycas, male cones and megasporophylls are borne on the same trees. (A) (i) and (ii) (B) (i) and (iii) (C) (ii) and (iv) (D) (iii) and (iv)

Tardigrade Admin · Accepted Answer

Few pteridophytes are heterosporous, i.e, with two types of spores, microspores and megaspores, e. g., Selaginella, Salvinia, Marsilea.
Plants of Cycas are also heterosporous and invariably dioecious, i.e, male and female reproductive organs occur on separate individuals.

Q. Read the given statements and select the incorrect ones. (i) Sporophyte in mosses is more elaborate than that in liverworts. (ii) Salvinia is homosporous. (iii) Life-cycle in all spermatophytes is diplontic. (iv) In Cycas, male cones and megasporophylls are borne on the same trees.

(i) and (ii)

(i) and (iii)

(ii) and (iv)

(iii) and (iv)

Few pteridophytes are heterosporous, i.e, with two types of spores, microspores and megaspores, e. g., Selaginella, Salvinia, Marsilea. Plants of Cycas are also heterosporous and invariably dioecious, i.e, male and female reproductive organs occur on separate individuals.

Q. Read the given statements and select the incorrect ones.
(i) Sporophyte in mosses is more elaborate than that in liverworts.
(ii) Salvinia is homosporous.
(iii) Life-cycle in all spermatophytes is diplontic.
(iv) In Cycas, male cones and megasporophylls are borne on the same trees.

Few pteridophytes are heterosporous, i.e, with two types of spores, microspores and megaspores, e. g., Selaginella, Salvinia, Marsilea.
Plants of Cycas are also heterosporous and invariably dioecious, i.e, male and female reproductive organs occur on separate individuals.