- 1(current)
Q. No.To ensure that only the desired pollens fall on the stigma in artificial hybridization process:
Choose the correct answer from the options given below:
| a: | the female flower buds of plant producing unisexual flower need not be bagged. |
| b: | there is no need to emasculate unisexual flowers of selected female parent. |
| c: | emasculated flowers are to be bagged immediately after cross pollination. |
| d: | emasculated flowers are to be bagged after removal of anthers. |
| e: | bisexual flowers, showing protogyny are never selected for cross. |
| 1. | (a), (b) and (c) only | 2. | (b), (c) and (d) only |
| 3. | (b), (c) and (e) only | 4. | (a), (d) and (e) only |
Subtopic: Pollen - Pistil Interaction |
67%
Level 2: 60%+
NEET - 2022
Hints
Which of the following statements is not correct?
| 1. | Insects that consume pollen or nectar without bringing about pollination are called pollen-nectar robbers. |
| 2. | Pollen germination and pollen tube growth are regulated by chemical compounds of pollen interacting with those of the pistil. |
| 3. | Some reptiles have also been reported as pollinators in some plant species. |
| 4. | Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style. |
Subtopic: Pollen - Pistil Interaction |
73%
Level 2: 60%+
NEET - 2016
Hints
What is the function of germ pores?
1. Absorption of water for seed germination
2. Initiation of pollen tube
3. Release of male gametes
4. The emergence of radicle
Subtopic: Pollen - Pistil Interaction |
71%
Level 2: 60%+
AIPMT - 2012
Hints
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Anthesis is a phenomenon that refers to:
1. formation of pollen
2. Development of anther
3. Opening of a flower bud
4. Reception of pollen by stigma
Subtopic: Pollen - Pistil Interaction |
Level 4: Below 35%
AIPMT - 2004
Hints
In Angiosperms, pollen tubes liberate their male gametes into the:
1. Central cell
2. Antipodal cells
3. Egg cell
4. Synergids
Subtopic: Pollen - Pistil Interaction |
81%
Level 1: 80%+
AIPMT - 2002
Hints
- 1(current)
Q. No.
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