Q. No.
| Statement I: | A is anther and collectively anthers form the androecium of the flower. |
| Statement II: | B is the site for landing of pollens during pollination, C is style, and D after fertilisation becomes a fruit. |
| 1. | Statement I is correct, Statement II is correct |
| 2. | Statement I is incorrect, Statement II is correct |
| 3. | Statement I is correct, Statement II is incorrect |
| 4. | Statement I is incorrect, Statement II is incorrect |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| 1. | Horticulture | 2. | Plant breeding |
| 3. | Floriculture | 4. | Micropropagation |
Consider the following statements regarding floral primordium:
| I: | It is formed at the shoot apical meristem |
| II: | The development of flowers is dependent on genetics, PGR, and environmental conditions. |
Of the two statements:
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
In an angiosperm, the structure that develops and becomes a pollen sac is called:
| 1. | Megasporophyll | 2. | Megasporangium |
| 3. | Microsporangium | 4. | Microsporophyll |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
A typical angiosperm anther is:
1. Bilobed and polythecous
2. Unilobed and monothecous
3. Multilobed and monothecous
4. Bilobed and dithecous
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| Statement I: | The bilobed nature of an anther is very distinct in the given section. |
| Statement II: | The anther is a two-sided [bigonal] structure consisting of four microsporangia located at the corners, two in each lobe. |
| 1. | Statement I is correct, Statement II is correct. |
| 2. | Statement I is incorrect, Statement II is correct. |
| 3. | Statement I is correct, Statement II is incorrect. |
| 4. | Statement I is incorrect, Statement II is incorrect. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The layers in the walls of the microsporangium that helps in the dehiscence of anther to release the pollen include:
| I: | Epidermis |
| II: | Endothecium |
| III: | Middle layers |
| IV: | Tapetum |
| 1. | I and II only | 2. | I, II, and III only |
| 3. | II and III only | 4. | I, II, III, and IV |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Tapetum:
| 1. | is the outermost layer in the wall of microsporangium |
| 2. | helps in the protection of the pollen grains |
| 3. | helps in dehiscence of anther |
| 4. | has cells that generally have more than one nucleus |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| A | B | C | D | |
| 1. | Epidermis | Endothecium | Middle layers | Tapetum |
| 2. | Epithelium | Endothelium | Middle layers | Tapetum |
| 3. | Endothecium | Epidermis | Tapetum | Middle layers |
| 4. | Epithelium | Endothelium | Tapetum | Middle layers |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| Statement I: | This process is coordinated precisely with pollen differentiation, floral development, and flower opening. |
| Statement II: | Anther dehiscence is the final function of the anther that causes the release of pollen grains. |
| 1. | Both Statement I and Statement II are True and Statement II is the correct explanation of Statement I. |
| 2. | Both Statement I and Statement II are True but Statement II is not the correct explanation of Statement I. |
| 3. | Statement I is True but Statement II is False. |
| 4. | Statement I is False but Statement II is True. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
© 2024 GoodEd Technologies Pvt. Ltd.