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 from the options given below :
1. (e) only
2. (a), (c), (e) only
3. (a), (b), (c), (d) only
4. (b), (d) only
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) |
Vegetative propagule in Agave is:
1. | Rhizome | 2. | Bulbil |
3. | Offset | 4. | Eye |
Offsets are produced by:
1. | Meiotic divisions |
2. | Mitotic divisions |
3. | Parthenocarpy |
4. | Parthenogenesis |
Which one of the following statements is not correct?
1. | Offspring produced by asexual reproduction is called clone |
2. | Microscopic motile asexual reproductive structures are called zoospores |
3. | In potatoes, bananas, and ginger, the plantlets arise from the internodes present in the modified stem |
4. | Water hyacinth growing in standing water drains oxygen from water that leads to the death of fish |
Which of the following pairs is not correctly matched?
Mode of reproduction | Example | ||
(a) | Offset | (i) | Water hyacinth |
(b) | Rhizome | (ii) | Banana |
(c) | Binary fission | (iii) | Sargassum |
(d) | Conidia | (iv) | Penicilium |
1. a
2. b
3. c
4. d
In ginger vegetative propagation occurs through:
Which one of the following pairs is wrongly matched while the remaining three are correct?
1. Agave - Bulbils
2. Penicillium - Conidia
3. Water hyacinth - Runner
4. Bryophyllum – Leaf buds
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 |