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 |
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. |
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 |
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. |
Statement I: | It shows a pollen tetrad. |
Statement II: | The four microspores are contained by callose walls. |
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. |
Statement I: | The spindle formation as seen in A is strictly symmetric. |
Statement II: | The larger cell [B] is the generative cell and the smaller cell [C] is the vegetative cell. |
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 |
The correct description of the structure shown in the figure would be:
1. | Anatropous ovule; 1 – Nucellus; 2 – Chalaza; 3 – Raphe; 4 – Funiculus |
2. | Orthotropous ovule; 1 – Nucellus; 2 – Micropyle; 3 – Raphe; 4 – Funiculus |
3. | Anatropous ovule; 1 – Nucellus; 2 – Chalaza; 3 – Funiculus; 4 – Raphe |
4. | Anatropous ovule; 1 – Nucellus; 2 – Micropyle; 3 – Raphe; 4 – Funiculus |
Table I: | ||
A. | B. | C. |
Table II | |
P. | A dissected flower of Hibiscus showing pistil where other floral parts have been removed |
Q. | Multicarpellary, syncarpous pistil of Papaver |
R. | Multicarpellary, apocarpous gynoecium of Michelia |
A | B | C | |
1. | P | Q | R |
2. | P | R | Q |
3. | Q | R | P |
4. | R | P | Q |
Statement I: | A is the Chalazal end. |
Statement II: | B is the microspore mother cell, C is the microspore dyad and D is the microspore tetrad. |
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 |
Statement I: | It shows the two, four, and eighth nucleate stages of the embryo sac. |
Statement II: | The divisions are mitotic and free nuclear. |
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 |