Q. No.Plants of this group are diploid and well adapted to extreme conditions. They grow bearing sporophylls in compact structures called cones. The group in reference is
1.
Monocots
2.
Dicots
3.
Pteridophytes
4.
Gymnosperms
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The embryo sac of an Angiosperm is made up of
1. 8 cells
2. 7 cells and 8 nuclei
3. 8 nuclei
4. 7 cells and 7 nuclei
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If the diploid number of a flowering plant is 36. What would be the chromosome number in its endosperm
1. 36
2. 18
3. 54
4. 72
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Protonema is
1. Haploid and is found in mosses
2. Diploid and is found is liverworts
3. Diploid and is found in pteridophytes
4. Haploid and is found in pteridophytes
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The giant Redwood tree (Sequoia sempervirens) is a/an
| 1. | Angiosperm | 2. | Free fern |
| 3. | Pteridophyte | 4. | Gymnosperm |
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The leaf-like photosynthetic organ in brown algae is called as:
1. Holdfast
2. Stipe
3. Frond
4. Rhizoid
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What is not true for mosses?
| 1. | Sporophyte is less elaborate than liverworts |
| 2. | Protonema stage develops directly from a spore |
| 3. | Leafy stage develops from a secondary protonema as a lateral bud |
| 4. | They are attached to soil through multicellular and branched rhizoids |
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Antheridium of bryophytes produce _______ antherozoids.
| 1. | Non-motile | 2. | Uni-flagellate |
| 3. | Biflagellate | 4. | Ciliate |
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Identify the incorrect statement regarding green algae:
1. Major pigments are chlorophyll a and b
2. Stored food is floridean starch
3. Cellulosic cell wall
4. 2-8, equal and apical flagellar insertions
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