Conifers are adapted to tolerate extreme environmental conditions because of

1.presence of vessels 2.broad hardy leaves
3.superficial stomata 4.thick cuticle
Subtopic:  Gymnosperms |
 82%
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Select the mismatch:

1. Pinus - Dioecious 2. Cycas - Dioecuous
3. Salvinia - Heterosporous 4. Equisetum - Homosporous
Subtopic:  Gymnosperms |
 75%
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Pollen chamber present in gymnosperms represents
1. Microsporangium
2. Pollen grain cell where sperms are formed
3. Opening of megagametophyte for passage of pollen tube to egg
4. Cavity in nucellus for resting pollen grains after pollination

Subtopic:  Gymnosperms |

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The gymnosperms, Pines, are unique because they produce:

1. leaves in fascicles 2. true leaves
3. cones 4. archegonia
Subtopic:  Gymnosperms |

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The microstrobilus in gymnosperms represents the:

1. "female" cone 2. megasporangium-bearing cone
3. pollen-bearing cone 4. none of these
Subtopic:  Gymnosperms |
 77%

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Identify the incorrect statement regarding gymnosperms in general:
1. They are heterosporous
2. Megaspore mother cell is differentiated from a cell in the nucellus
3. Multicellular female gametophyte is retained on the megasporangium
4. The male gametophyte has a large number of cells

Subtopic:  Gymnosperms |
 67%

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