Q. No.Which of the following is a heterosporous pteridophyte?
| 1. | Equisetum | 2. | Selaginella |
| 3. | Pteris | 4. | Lycopodium |
Subtopic: Pteridophytes |
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The spreading of living pteridophyte is limited and is restricted to narrow geographical region because of
| 1. | Growth requirements of gametophyte (cool, damp and shady places). |
| 2. | Requirement of water for fertilisation. |
| 3. | Absence of stomata in leaf and absence of vascular tissue. |
| 4. | Both (a) and (b). |
Subtopic: Pteridophytes: Heterospory | Pteridophytes |
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Genera like Selaginella and Salvinia produce two kinds of spores. Such plants are known as
1. Homosporous
2. Heterosporous
3. Homosorus
4. Heterosorus
Subtopic: Pteridophytes |
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Evolutionarily, the first terrestrial plants to possess vascular tissues – xylem and phloem, are:
1. Bryophytes
2. Pteridophytes
3. Gymnosperms
4. Angiosperms
1. Bryophytes
2. Pteridophytes
3. Gymnosperms
4. Angiosperms
Subtopic: Pteridophytes |
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The given diagram shows:
| 1. | An alga that lacks flagellated cells |
| 2. | A liverwort |
| 3. | A heterosporous pteridophyte |
| 4. | A gymnosperm with non motile sperms |
Subtopic: Pteridophytes |
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In pteridophytes, the event of the zygote developing into a young embryo within the female gametophyte is considered a precursor to:
| 1. | Development of vascular tissues |
| 2. | Seed habit |
| 3. | Formation of flowers |
| 4. | Production of cones |
Subtopic: Pteridophytes |
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Match each item in Column I with one in Column II and choose the correct option from the codes given below:
| Column I | Column II | ||
| A. | Psilopsida | P. | Selanginella |
| B. | Lycopsida | Q. | Adiantum |
| C. | Sphenopsida | R. | Equisetum |
| D. | Pteropsida | S. | Psilotum |
| A | B | C | D | |
| 1. | R | Q | S | P |
| 2. | S | P | R | Q |
| 3. | P | S | Q | R |
| 4. | Q | R | P | S |
Subtopic: Pteridophytes |
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What evolutionary advancement do pteridophytes exhibit compared to bryophytes?
| 1. | Development of vascular tissues (xylem and phloem) |
| 2. | Presence of motile sperm for fertilization |
| 3. | Dominant gametophytic generation |
| 4. | Reproduction by vegetative propagation only |
Subtopic: Bryophytes | Pteridophytes |
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In Bryophytes, the __________ is the dominant phase, whereas in Pteridophytes, the __________ is the dominant phase.
1. sporophyte, gametophyte
2. gametophyte, sporophyte
3. zygote, spore
4. spore, zygote
1. sporophyte, gametophyte
2. gametophyte, sporophyte
3. zygote, spore
4. spore, zygote
Subtopic: Bryophytes | Pteridophytes |
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In pteridophytes, the sporophylls often form distinct compact structures called strobili or cones. Which of the following genera demonstrates this feature?
1. Equisetum
2. Chara
3. Spirogyra
4. Funaria
1. Equisetum
2. Chara
3. Spirogyra
4. Funaria
Subtopic: Pteridophytes |
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