Select Question Set:
Q. No.Plants do not contain many parts that can be easily fossilized. Which of the following has proved helpful in preserving pollens as fossils?
1. Pollenkit
2. Cellulosic intine
3. Callose in pollen tetrad
4. Sporopollenin
Subtopic: Stamen: Male Gametophyte |
93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
A persistent nutritive tissue of a seed derived from the nucellus and deposited external to the embryo sac —distinguished from endosperm is known as:
1. Tegmen
2. Chalaza
3. Perisperm
4. Hilum
1. Tegmen
2. Chalaza
3. Perisperm
4. Hilum
Subtopic: Seed |
90%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Identify the part labelled as 3 in the given diagram:
| 1. | Micropyle | 2. | Nucellus |
| 3. | Funiculus | 4. | Hilum |
Subtopic: Pistil: Ovule |
52%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The only type of pollination which brings genetically different types of pollen grains to the stigma is:
1. Cleistogamy
2. Chasmogamy
3. Geitonogamy
4. Xenogamy
1. Cleistogamy
2. Chasmogamy
3. Geitonogamy
4. Xenogamy
Subtopic: Pollination & Outbreeding Devices |
91%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In ‘double fertilization’ in angiosperms:
| I: | Syngamy results in the formation of zygote. |
| II: | Triple fusion results in the formation of the primary endosperm nucleus. |
| 1. | Only I is correct. |
| 2. | Only II is correct. |
| 3. | Both I and II are correct. |
| 4. | Both I and II are incorrect. |
Subtopic: Double Fertilization |
93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The female gametophyte in the angiosperms is:
| 1. | 7 celled and 8 nucleate |
| 2. | 8 celled and 7 nucleate |
| 3. | 7 celled and 7 nucleate |
| 4. | 8 celled and 8 nucleate |
Subtopic: Pistil: Female Gametophyte |
92%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Identify the incorrect statement:
| 1. | Typical angiosperm anther is bilobed and dithecous. |
| 2. | Tapetum in the wall of the anther nourishes the developing pollen grains. |
| 3. | In over 60 % of angiosperms, pollen grains are shed at the three-celled stage. |
| 4. | Pollen exine is made up of sporopollenin. |
Subtopic: Stamen: Male Gametophyte |
92%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The shield-like cotyledon in grass [monocot] seeds is called:
1. Plumule
2. Scutellum
3. Perisperm
4. Coleoptile
1. Plumule
2. Scutellum
3. Perisperm
4. Coleoptile
Subtopic: Seed |
91%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Nucellar polyembryony is seen in:
1. Citrus and Mango
2. Castor and Pea
3. Grasses and Mustard
4. Orchids and China rose
Subtopic: Apomixis & Polyembryony |
82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In an angiosperm, the ovule is attached to the placenta by a stalk called:
1. Funicle
2. Raphe
3. Hilum
4. Chalaza
1. Funicle
2. Raphe
3. Hilum
4. Chalaza
Subtopic: Pistil: Ovule |
89%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.