Q. No.Filiform apparatus is a characteristic feature of?
1. Generative cell
2. nucellar embryo
3. aleurone cell
4. synergids
Subtopic: Pistil: Female Gametophyte |
91%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
In angiosperms, microsporogenesis and megasporogenesis?
1. Occur in anther
2. Form gametes without further divisions
3. Involve meiosis
4. Occur in ovule
Subtopic: Stamen: Male Gametophyte | Pistil: Female Gametophyte |
83%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Function of filiform apparatus is to:
| 1. | Recognize the suitable pollen at the stigma |
| 2. | Stimulate division of generative cell |
| 3. | Producer nectar |
| 4. | Guide the entry of the pollen tube |
Subtopic: Pistil: Female Gametophyte |
94%
From NCERT
AIPMT - 2014
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Megaspores are produced from the megaspore mother cells after:
1. Mitotic division
2. Formation of a thick wall
3. Differentiation
4. Meiotic division
1. Mitotic division
2. Formation of a thick wall
3. Differentiation
4. Meiotic division
Subtopic: Pistil: Female Gametophyte |
84%
From NCERT
NEET - 2013
Please attempt this question first.
Hints
Please attempt this question first.
The gynoecium consists of many free pistils in flowers of:
1. Aloe
2. Tomato
3. Papaver
4. Michelia
Subtopic: Pistil: Female Gametophyte |
72%
From NCERT
AIPMT - 2012
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Subtopic: Pistil: Female Gametophyte |
95%
AIPMT - 2011
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
In angiosperms, functional megaspore develops into:
1. Pollen sac
2. Embryo sac
3. Ovule
4. Endosperm
Subtopic: Pistil: Female Gametophyte |
83%
From NCERT
AIPMT - 2011
Please attempt this question first.
Hints
Please attempt this question first.
Which one of the following pairs of plant structures has a haploid number of chromosomes?
1. Megaspore mother cell and antipodal cells
2. Egg cell and antipodal cells
3. Nucellus and antipodal cells
4. Egg nucleus and secondary nucleus
1. Megaspore mother cell and antipodal cells
2. Egg cell and antipodal cells
3. Nucellus and antipodal cells
4. Egg nucleus and secondary nucleus
Subtopic: Pistil: Female Gametophyte |
73%
AIPMT - 2008
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
What does the filiform apparatus do at the entrance into the ovule?
| 1. | it helps in the entry of pollen tube into the synergid |
| 2. | it prevents the entry of more than one pollen tube into the embryo sac |
| 3. | it brings about the opening of the pollen tube |
| 4. | it guides the pollen tube from the synergid to the egg |
Subtopic: Pistil: Female Gametophyte |
54%
From NCERT
AIPMT - 2008
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Which one of the following is surrounded by a callose wall?
1. Microspore mother cell
2. Male gamete
3. Egg
4. Pollen grain
Subtopic: Pistil: Female Gametophyte |
53%
AIPMT - 2007
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
© 2024 GoodEd Technologies Pvt. Ltd.