Identify the incorrect statement regarding mosses:
1. | Leaves are one cell thick except at the midrib and lack stomata. |
2. | The first gametophyte stage is protonema, that is creeping and green. |
3. | The second stage is the leafy stage, which develops from the secondary protonema as a lateral bud. |
4. | Rhizoids are elongated and unicellular. |
Read the following five statements (I to V) and select the option with all correct statements.
I. | Mosses and lichens are the first organisms to colonise a bare rock. |
II. | Selaginella is a homosporous pteridophyte. |
III. | Coralloid roots in Cycas have VAM. |
IV. | main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic. |
V. | In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte. |
1. I, III and IV
2. II, III and IV
3. I, IV and V
4. II, III and V