In some plants thalamus contributes to fruit formation. Such fruits are termed as:

NEET-(Oct)2020 [Sexual-Reproduction-in-Flowering-Plants] [class-xii ]

• False fruits
• Aggregate fruits
• True fruits
• Parthenocarpic fruit
Correct Option: A  [ False fruits ]

Remark:

In water hyacinth and water lily, pollination takes place by:

NEET-(Sept)2020 [Sexual-Reproduction-in-Flowering-Plants] [class-xii ]

• insects or wind
• water currents only
• wind and water
• insects and water
Correct Option: A  [ insects or wind ]

Remark:

The plant parts which consist of two generations - one within the other:
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

NEET-(Sept)2020 [Sexual-Reproduction-in-Flowering-Plants] [class-xii ]

• (A) only
• (A), (B) and (C)
• (C) and (D)
• (A) and (D)
Correct Option: D  [ (A) and (D) ]

Remark:

Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?

NEET-2019 [Sexual-Reproduction-in-Flowering-Plants] [class-xii ]

• Ovules develop into embryo sac
• Ovary develops into fruit
• Zygote develops into embryo
• Central cell develops into endosperm
Correct Option: A  [ Ovules develop into embryo sac ]

Remark:

Is some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as:

NEET-2019 [Sexual-Reproduction-in-Flowering-Plants] [class-xii ]

• Parthenogenesis
• Syngamy
• Parthenocarpy
• Autogamy
Correct Option: A  [ Parthenogenesis ]

Remark:

Identify the set of correct statements:

A. The flowers of Vallisneria are colourful and produce nectar.
B. The flowers of water lily are not pollinated by water.
C. In most of water-pollinated species, the pollen grains are protected from wetting.
D. Pollen grains of some hydrophytes are long and ribbon like.
E. In some hydrophytes, the pollen grains are carried passively inside water.

Choose the correct answer from the options given below.

NEET-2024 [Sexual-Reproduction-in-Flowering-Plants] [class-xii ]

• B, C, D and E only
• A, C, D and E only
• C, D and E only
• A, B, C and D only
Correct Option: A  [ B, C, D and E only ]

Remark: