Q. No.The classification system given by Bentham and Hooker is a/an:
1. Artificial system
2. Natural system
3. Phylogenetic system
4. Useless system
2. Natural system
3. Phylogenetic system
4. Useless system
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Which of the following is not true regarding algae?
1. Thallophytes that contain chlorophyll
2. Autotrophic
3. Body made of pseudo-parenchyma
4. Cellulosic cell wall
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The developing capsule of some mosses is protected by the:
1. operculum
2. calyptra
3. seta
4. peristome teeth
What is not true regarding bryophytes?
1. Zygote undergoes reduction division immediately
2. Sporophyte is not free living
3. Haploid spores are produced by meiosis
4. The sex organs are multi-cellular
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The bryophyte with most economic importance will be:
| 1. | peat moss | 2. | liverwort |
| 3. | hornwort | 4. | Polytrichum |
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The gametes are pyriform and bear two laterally attached flagella in:
| 1. | Chlorophyceae | 2. | Phaeophyceae |
| 3. | Rhodophyceae | 4. | All algae |
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The sporangium of ferns is protected by a specialized structure called as the:
1. annulus
2. indusium
3. fiddlehead
4. sorus
Which of the following Greek root word means "naked" and hence gives name to plants like cycas and pines?
| 1. | angeion | 2. | sperm |
| 3. | gymnos | 4. | gynos |
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The red algae reproduce:
| 1. | asexually by non motile spores and sexually by non motile gametes |
| 2. | asexually by non motile spores and sexually by motile gametes |
| 3. | asexually by motile spores and sexually by non motile gametes |
| 4. | asexually by motile spores and sexually by motile gametes |
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Sexual reproduction takes place through non flagellated gametes that are similar in size in:
| 1. | Ulothrix | 2. | Spirogyra |
| 3. | Volvox | 4. | Fucus |
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