Q. No.Which of the following is/are vegetative propagule(s)?
| (a) | Eyes of Potato |
| (b) | Zoospore of Chlamydomonas |
| (c) | Rhizome of Ginger |
| (d) | Buds in Hydra |
| (e) | Bulbil of Agave |
Choose the most appropriate answer form the options given below :
| 1. | (e) only | 2. | (a), (c), (e) only |
| 3. | (a), (b), (c), (d) only | 4. | (b), (d) only |
| 1. | Rhizome is a condensed form of stem |
| 2. | The apical bud in rhizome always remains above the ground |
| 3. | The rhizome is aerial with no distinct nodes and internodes |
| 4. | The rhizome is thick, prostrate and branched |
| List-I | List-II | ||
| (a) | Chlamydomonas | (i) | Conidia |
| (b) | Penicillium | (ii) | Zoospores |
| (c) | Hydra | (iii) | Gemmules |
| (d) | Sponge | (iv) | Buds |
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (iv) | (iii) | (ii) |
| 2. | (ii) | (i) | (iv) | (iii) |
| 3. | (iii) | (ii) | (i) | (iv) |
| 4. | (iv) | (iii) | (ii) | (i) |
Examine the figure (A-D) given below and select the right option out of 1-4, in which all the four structures A, B, C, and D are identified correctly:
Options
| A | B | C | D | |
| 1. | Runner | Archegoniophore | Synergid | Antheridium |
| 2. | Offset | Antheridiophore | Antipodals | Oogonium |
| 3. | Sucker | Seta | Megaspore mother cell |
Gamma cup |
| 4. | Rhizome | Sporangiophore | Polar cell | Globule |
Which one of the following is wrong about Chara?
| 1. | Globule and nucule present on the same plant |
| 2. | Upper antheridium and lower oogonium |
| 3. | Globule is a male reproductive structure |
| 4. | Upper oogonium and lower round antheridium |
In which pair both the plants can be vegetatively propagated by leaf segments?
| 1. | Agave and Kalanchoe |
| 2. | Bryophyllum and Kalanchoe |
| 3. | Asparagus and Bryophyllum |
| 4. | Chrysanthemum and Agave |
The chief advantage of encystment to an Amoeba is:
| 1. | The ability to survive during adverse physical conditions |
| 2. | The ability to live for some time without ingesting food |
| 3. | Protection from parasites and predators |
| 4. | The chance to get rid of accumulated waste products |
The product of sexual reproduction generally generates:
1. Large biomass
2. Longer viability of seeds
3. Prolonged dormancy
4. New genetic combinations leading to variations
Monoecious plant of Chara shows the occurrence of:
| 1. | Upper oogonium and lower antheridium on the same plant |
| 2. | Antheridiophore and archegoniophore on the same plant |
| 3. | Stamen and carpel on the same plant |
| 4. | Upper antheridium and lower oogonium on the same plant |
The process of sexual reproduction which involves meiosis and syngamy is:
| 1. | Apomixis | 2. | Amphimixis |
| 3. | Agamospermy | 4. | Diplospory |
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