Select Chapter Topics:
Q. No.Subtopic: Pollen - Pistil Interaction |
56%
Level 3: 35%-60%
Hints
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 |
Subtopic: Stamen: Microsporangium |
83%
Level 1: 80%+
Hints
Subtopic: Endosperm |
86%
Level 1: 80%+
Hints
During microsporogenesis, meiosis occurs in:
| 1. | Endothecium | 2. | Microspore mother cells |
| 3. | Microspore tetrads | 4. | Pollen grains |
Subtopic: Stamen: Male Gametophyte |
91%
Level 1: 80%+
Hints
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%
Level 2: 60%+
Hints
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%
Level 2: 60%+
Hints
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 |
Subtopic: Pistil: Ovule | Pistil: Female Gametophyte |
83%
Level 1: 80%+
Hints
Choose the correct statement from the following:
| 1. | Cleistogamous flowers always exhibit autogamy |
| 2. | Chasmogamous flowers always exhibit geitonogamy |
| 3. | Cleistogamous flowers exhibit both autogamy and geitonogamy |
| 4. | Chasmogamous flowers never exhibit autogamy |
Subtopic: Pollination & Outbreeding Devices |
86%
Level 1: 80%+
Hints
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
| 1. | Monoecious plant bearing unisexual flowers |
| 2. | Dioecious plant bearing only male or female flowers |
| 3. | Monoecious plant with bisexual flowers |
| 4. | Dioecious plant with bisexual flowers |
Subtopic: Pollination & Outbreeding Devices |
76%
Level 2: 60%+
Hints
In a fertilised embryo sac, the haploid, diploid, and triploid structures are:
| 1. | Synergid, zygote, and primary endosperm nucleus |
| 2. | Synergid, antipodal and polar nuclei |
| 3. | Antipodal, synergid, and primary endosperm nucleus |
| 4. | Synergid, polar nuclei and zygote. |
Subtopic: Double Fertilization |
89%
Level 1: 80%+
Hints
Select Chapter Topics:
© 2026 GoodEd Technologies Pvt. Ltd.