Persistent nucellus in the seed is known as:

1. Tegmen 2. Chalaza
3. Perisperm 4. Hilum

Subtopic:  Seed |
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In some plants, the female gamete develops into an embryo without fertilization. This phenomenon is known as:

1. Parthenogenesis 2. Autogamy
3. Parthenocarpy 4. Syngamy

Subtopic:  Fruit |
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What is the fate of the male gametes discharged in the synergid?

1. One fuses with the egg and the other fuses with central cell nuclei
2. One fuses with the egg and the other(s) degenerate(s) in the synergid
3. All fuse with the egg
4. One fuses with the egg and the other(s) fuse(s) with a synergid nucleus

Subtopic:  Post Pollination Events |
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Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?

1. Ovules develop into an embryo sac

2. Ovary develops into fruit

3. Zygote develops into an embryo

4. Central cell develops into endosperm

Subtopic:  Pistil: Female Gametophyte |
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Which is the most common type of embryo sac in angiosperms?

1. Tetrasporic with one mitotic stage of division

2. Monosporic with three sequential mitotic divisions

3. Monosporic with two sequential mitotic divisions

4. Bisporic with two sequential mitotic divisions

Subtopic:  Pistil: Female Gametophyte |
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What type of pollination takes place in Vallisneria?

1.  Pollination occurs in submerged conditions by water.
2.  Flowers emerge above the surface of water and pollination occurs by insects.
3.  Flowers emerge above the water surface and pollen is carried by the wind.
4.  Male flowers are carried by water currents to female flowers at the surface of the water.

Subtopic:  Pollination & Outbreeding Devices |
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In which one of the following, both autogamy and geitonogamy are prevented?

1. Wheat

2. Papaya

3. Castor

4. Maize

Subtopic:  Pollination & Outbreeding Devices |
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A typical angiospermic embryo sac is

1. 8 - nucleate, 8 - celled

2. 7 - nucleate, 8 - celled

3. 8 - nucleate, 7 - celled

4. 7 - nucleate, 6 - celled

Subtopic:  Pistil: Female Gametophyte |
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The plant parts which consist of two generations, one within the other, are:

(a) Pollen grains inside the anther

(b) Germinated pollen grain with two male gametes

(c) Seed inside the fruit

(d) Embryo sac inside the ovule

1. (a), (b), and (c)

2. (c) and (d)

3. (a) and (d) 

4. (a) only 

Subtopic:  Seed |
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The body of the ovule is fused within the funicle at :

1. Micropyle 2. Nucellus
3. Chalaza 4. Hilum
Subtopic:  Pistil: Ovule |
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