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
In bryophytes and pteriodophytes, transport of male gametes requires
1. insects
2. birds
3. water
4. wind
Which of the following is responsible for peat formation?
(1) Marchantia
(2) Riccia
(3) Funaria
(4) Sphagnum
Archegoniophore is present in
(1) Chara
(2) Adiantum
(3) Funaria
(4) Marchantia