How are the male and female gametophytes of pteridophytes and gymnosperms different from each other?
(N/A) $\rightarrow$ The male and female gametophytes of pteridophytes and gymnosperms differ in the following ways:
| Male gametophyte in Pteridophytes | Male gametophyte in Gymnosperms |
| $(i)$ Reduced and short-lived. | $(i)$ Highly reduced and dependent on the sporophyte. |
| $(ii)$ Male gametes are flagellated (motile). | $(ii)$ Male gametes are non-flagellated (non-motile). |
| $(iii)$ Requires water for fertilization. | $(iii)$ Does not require water; fertilization occurs via a pollen tube. |
| Female gametophyte in Pteridophytes | Female gametophyte in Gymnosperms |
| $(i)$ Often independent and photosynthetic. | $(i)$ Completely dependent on the parent sporophyte. |
| $(ii)$ Not retained within the parent sporophyte. | $(ii)$ Retained within the megasporangium (ovule). |
| $(iii)$ Does not form a seed. | $(iii)$ Develops into a seed after fertilization. |
Explore More
Similar Questions
Assertion $(A)$: Algae and fungi are classified as thallophytes.
Reason $(R)$: They both are autotrophs.
Reason $(R)$: They both are autotrophs.
DifficultAIIMS 2007
View SolutionAccording to the five-kingdom classification system,how many of the following organisms are included in the Kingdom Plantae?
Fungi,Bryophytes,Monera,Pteridophytes,Gymnosperms,Protista,Blue-green algae,Angiosperms,Algae
Fungi,Bryophytes,Monera,Pteridophytes,Gymnosperms,Protista,Blue-green algae,Angiosperms,Algae
Medium
View SolutionMatch the Column-$I$ with Column-$II$ and choose the correct option.
Column-$I$ Column-$II$ $A$. Chlorophyceae $i$. Polytrichum $B$. Rhodophyceae $ii$. Marchantia $C$. Liverworts $iii$. Polysiphonia $D$. Mosses $iv$. Chara
| Column-$I$ | Column-$II$ |
|---|---|
| $A$. Chlorophyceae | $i$. Polytrichum |
| $B$. Rhodophyceae | $ii$. Marchantia |
| $C$. Liverworts | $iii$. Polysiphonia |
| $D$. Mosses | $iv$. Chara |
Medium
View SolutionWhich of the following series is included in the subclass Gamopetalae?
Medium
View SolutionVascular tissues are absent in $......$.
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo