Q. No.The gynoecium with many pistils that are fused together will best be described as:
1. monocarpellary, apocarpous
2. multicarpellary, syncarpous
3. multicarpellary, synandrous
4. monocarpellary, apocarpous
1. monocarpellary, apocarpous
2. multicarpellary, syncarpous
3. multicarpellary, synandrous
4. monocarpellary, apocarpous
Subtopic: Pistil: Ovule | Pistil: Female Gametophyte | Pollen - Pistil Interaction |
93%
From NCERT
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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 |
Subtopic: Pistil: Ovule | Pistil: Female Gametophyte |
88%
From NCERT
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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 |
Subtopic: Pistil: Female Gametophyte |
93%
From NCERT
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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 |
Subtopic: Pistil: Female Gametophyte |
79%
From NCERT
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Identify the correct statements:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | The ovarian cavity inside the basal bulged part of the pistil is called as locule. |
| II: | The placenta is located inside the ovarian cavity. |
| III: | Arising from the placenta are the megasporangia, commonly called ovules. |
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Pistil: Ovule | Pistil: Female Gametophyte |
79%
From NCERT
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Integuments of an ovule encircle the nucellus except at the tip where a small opening is organised, called the:
| 1. | germ pore | 2. | chalaza |
| 3. | micropyle | 4. | filiform apparatus |
Subtopic: Pistil: Ovule | Pistil: Female Gametophyte |
84%
From NCERT
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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 |
Subtopic: Pistil: Ovule | Pistil: Female Gametophyte |
70%
From NCERT
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In angiosperms, the mature female gametophyte is represented by:
| 1. | Nucellus | 2. | Megaspore |
| 3. | MMC | 4. | Embryosac |
Subtopic: Pistil: Female Gametophyte |
82%
From NCERT
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For megasporogenesis ovules generally differentiate a single megaspore mother cell, (MMC) in:
| 1. | the chalazal region of the nucellus. |
| 2. | the micropylar region of the nucellus. |
| 3. | the micropylar region of the embryo sac. |
| 4. | the chalazal region of the embryo sac. |
Subtopic: Pistil: Ovule | Pistil: Female Gametophyte |
51%
From NCERT
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Consider the two statements:
| Statement I: | The process of formation of megaspores from the megaspore mother cell is called megasporogenesis. |
| Statement II: | The process of formation of pollen grains from the pollen mother cell is called microsporogenesis. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Stamen: Microsporangium | Stamen: Male Gametophyte | Pistil: Female Gametophyte |
87%
From NCERT
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