Sexual Reproduction in Plants
Trending Questions
What is the medium through which male gametes move In Bryophytes?
In banana, edible part is
rudimentary endocarp and fleshy mesocarp
fleshy epicarp
rudimentary mesocarp and fleshy endocarp
pericarp
(i) Mitosis is preceded by one cycle of DNA replication and meiosis is preceded by two cycles of DNA replication.
(ii) In sexually reproducing organisms, meiosis is the only type of cell division observed.
(iii) Meiotic cell division is essential for the production of haploid gametes.
- All three statements are true
- Only (iii)
- Both (i) and (iii)
- Only (i)
Vexillary aestivation is characteristic of family
Solanaceae
Brassicaceae
Asteraceae
Fabaceae
- Pollen chamber
- Anther
- Tapetum
- Microsporangium
- water hyacinth
- Strobilanthus kunthiana
- Bambusa vulgaris
- both b and c
- Fruit
- Seed
- Flower
- Inflorescence
A seed develops from
embryo
ovary
ovule
embryo sac
By which of the following features bryophytes can be distinguished from algae?
1. Having thalloid gametophyte.
2. Having sterile jackets in sex organs.
3. Forming an embryo during development.
4. Having conducting tissues.
2 and 3
3 and 4
1 and 4
1 and 2
Unisexual flowers are present on the same plant in
Date palm
Papaya
Coconut
Commelina
- Uneconomic and nonendospermic
- Abaxial and rounded
- Adaxial and perispermic
- Hypogeal and monocotyledonous
- Transfer of pollen grains from the anther to the stigma of another flower of a different plant.
- Transfer of pollen grains from the anther of one species to the stigma of another species.
- Transfer of pollen grains from the anther to the stigma of the same flower.
- Transfer of pollen grains from the anther to the stigma of another flower of the same plant.
- Hypogynous flowers
- Actinomorphic flowers
- Trimerous flowers
- Bisexual flowers
(a) What is ethylene?
(b) Why ethylene is sprayed on the bananas?
(c) What are the other uses of ethylene?
(d) What values were shown by Anil?
Explain the terms: (a) Microsporophytes; (b) Megasporophytes; (c) Male Strobili; (d) Female Strobili