$A$ well-developed archegonium with $4-6$ rows of neck canal cells in the neck region is a characteristic feature of:
- AGymnosperms only
- BBryophytes and Pteridophytes
- CPteridophytes and Gymnosperms
- DGymnosperms and Angiosperms
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Similar Questions
Match the plants in Column-$I$ with their characteristics in Column-$II$. Select the correct option.
Column-$I$ Column-$II$ $(A)$ Dryopteris (Fern) $(p)$ Homosporous $(B)$ Selaginella $(q)$ Fossil $(C)$ Equisetum $(r)$ Heterosporous $(D)$ Rhynia $(s)$ Common $(E)$ Thermoacidophiles $(t)$ Habitat in very high temperature
| Column-$I$ | Column-$II$ |
| $(A)$ Dryopteris (Fern) | $(p)$ Homosporous |
| $(B)$ Selaginella | $(q)$ Fossil |
| $(C)$ Equisetum | $(r)$ Heterosporous |
| $(D)$ Rhynia | $(s)$ Common |
| $(E)$ Thermoacidophiles | $(t)$ Habitat in very high temperature |
Medium
View SolutionThe movement of sperms towards the archegonial necks in response to chemical substances released by the archegonia is known as:
Medium
View SolutionMatch the plant structures given in Column-$I$ with their plants given in Column-$II$.
Column-$I$ Column-$II$ $(A)$ Prothallus $(q)$ Pteridophytes $(B)$ Microsporophyll $(s)$ Gymnosperms $(C)$ Protonema $(p)$ Bryophytes $(D)$ $PEN$ $(r)$ Angiosperms
| Column-$I$ | Column-$II$ |
|---|---|
| $(A)$ Prothallus | $(q)$ Pteridophytes |
| $(B)$ Microsporophyll | $(s)$ Gymnosperms |
| $(C)$ Protonema | $(p)$ Bryophytes |
| $(D)$ $PEN$ | $(r)$ Angiosperms |
Match the items in Column-$I$ with those in Column-$II$:
Column-$I$ Column-$II$ $(a)$ Peritrichous flagellation $(j)$ Ginkgo $(b)$ Living fossil $(k)$ Macrocystis $(c)$ Rhizophore $(l)$ $E. coli$ $(d)$ Smallest flowering plant $(m)$ Selaginella $(e)$ Largest flowering plant $(n)$ Wolffia
| Column-$I$ | Column-$II$ |
| $(a)$ Peritrichous flagellation | $(j)$ Ginkgo |
| $(b)$ Living fossil | $(k)$ Macrocystis |
| $(c)$ Rhizophore | $(l)$ $E. coli$ |
| $(d)$ Smallest flowering plant | $(m)$ Selaginella |
| $(e)$ Largest flowering plant | $(n)$ Wolffia |
Difficult
View SolutionWhich of the following is not a group of flowering plants (Angiosperms)?
Medium
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