- 1(current)
Q. No.In a multicarpellary syncarpous ovary:
| 1. | There is more than one pistil that is fused with the other |
| 2. | There is more than one pistil that is free from each other |
| 3. | There is one pistil that is fused with the stamen |
| 4. | There is more than one pistil that is fused with the stamen |
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Match the structure in COLUMN I with the description in COLUMN II and choose your answer from the codes given below:
| Column I | Column II | ||
| A. | Stigma | a. | Landing platform for pollen grains |
| B. | Ovary | b. | Basal bulged part of the pistil |
| C. | Placenta | c. | Part of the ovary where funiculus attaches |
| D. | Ovule | d. | Megasporangium |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | a | c | b | d |
| 3. | b | a | d | c |
| 4. | d | c | b | a |
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From among the sets of terms given below, identify those that are associated with the gynoecium.
| 1. | Stigma, ovule, embryo sac, placenta |
| 2. | Thalamus, pistil, style, ovule |
| 3. | Ovule, ovary, embryo sac, tapetum |
| 4. | Ovule, stamen, ovary, embryo sac |
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Starting from the innermost part, the correct sequence of parts in an ovule are:
| 1. | egg, nucellus, embryo sac, integument |
| 2. | egg, embryo sac, nucellus, integument |
| 3. | embryo sac, nucellus, integument, egg |
| 4. | egg, integument, embryo sac, nucellus |
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| 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 |
Codes:
| A | B | C | |
| 1. | P | Q | R |
| 2. | P | R | Q |
| 3. | Q | R | P |
| 4. | R | P | Q |
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The number of cycles of mitotic cell divisions the megaspore goes through, before the embryo sac is fully formed is:
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
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In angiosperms, the mature female gametophyte is represented by:
| 1. | Nucellus | 2. | Megaspore |
| 3. | MMC | 4. | Embryosac |
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From the statements given below, choose the option that is true for a typical female gametophyte of a flowering plant:
| i. | It is 8-nucleate and 7-celled at maturity |
| ii. | It is free-nuclear during the development |
| iii. | It is situated inside the integument but outside the nucellus |
| iv. | It has an egg apparatus situated at the chalazal end |
| 1. | i and iv | 2. | ii and iii |
| 3. | i and ii | 4. | ii and iv |
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Regarding the mature monosporic female gametophyte of angiosperms:
| 1. | The egg apparatus is at the chalazal end and the antipodals at the micropylar end. |
| 2. | The central cell has a diploid polar nucleus. |
| 3. | The structure is 8-celled and 7-nucleate. |
| 4. | Three sequential mitotic divisions lead to its formation. |
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Q. No.
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