Question
Antheridia and archegonia are most reduced in
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$I$. The plant body is thalloid $II$. Mainly aquatic
$III.$ Reproduction takes place by vegetative, asexual and sexual
$IV.$ Volvox and Ulothrix are the colonial form of algae
$I.$ Population growth rate increases as the size of population approaches the carrying capacity
$II.$ All individual have same effect on population growth
$III.$ There are unlimited natural resources
$IV.$ As population increases the competition goes on increasing
Select the correct combination
$1.$ Unicellular and prokaryote
$2.$ Unicellular and eukaryote
$3.$ Multicellular and eukaryote
$4.$ Autotrotroph and heterotroph
$R$ : Bark is formed due to the activity of phellogen only.
| Column-$I$ | Column-$II$ |
| $A$. Leeuwenhoek | $I$. First saw and described a living cell |
| $B$. Robert Brown | $II$. Presence of cell wall is unique to plant cells |
| $C$. Schleiden | $III$. Discovered the nucleus |
| $D$. Schwann | $IV$. All plants are composed of different kind of cells |