Q. No.Select the mismatch
1. Cycas - Dioecious
2. Salvinia - Heterosporous
3. Equisetum - Homosporous
4. Pinus - Dioecious
In bryophytes and pteridophytes, transport of male gametes requires?
| 1. | insects | 2. | birds |
| 3. | water | 4. | wind |
| 1. | Salvinia, Ginkgo and Pinus all are gymnosperms |
| 2. | Sequoia is one of the tallest trees |
| 3. | The leave of gymnosperms are not well adapted to extremes of climate |
| 4. | Gymnosperms are both homosporous and heterosporous |
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 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 sporophytes. |
| 1. | I, III and IV | 2. | II, III and IV |
| 3. | I, IV and V | 4. | II, III and V |
In which of the following gametophyte is not independent free-living?
| 1. | Funaria | 2. | Marchantia |
| 3. | Pteris | 4. | Pinus |
Which one of the following statements is wrong?
1. Algin and carrageenan are products of algae
2. Agar-agar is obtained from Gelidium and Gracilaria
3. Chlorella and Spirulina are used as space food
4. Mannitol is stored food in Rhodophyceae
Which one of the following shows isogamy with non-flagellated gametes?
1. Sargassum
2. Ectocarpus
3. Ulothrix
4. Spirogyra
An alga which can be employed as food for human beings:
1. Ulothrix
2. Chlorella
3. Spirogyra
4. Polysiphonia
| 1. | Cycas | 2. | Equisetum |
| 3. | Psilotum | 4. | Pinus |
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