Advertisements
Advertisements
प्रश्न
What is a bisexual flower?
उत्तर
A flower that contains both the male and female reproductive structure (stamen and pistil) is called a bisexual flower
APPEARS IN
संबंधित प्रश्न
A liverwort plant is unable to complete its life cycle in a dry environment. State two reasons
Explain why meiosis and gametogenesis are always interlinked?
Identify each part in a flowering plant and write whether it is haploid (n) or diploid (2n).
Ovary ———————————
Anther ———————————
Egg ———————————
Pollen ———————————
Male gamete ———————————
Zygote ———————————
Examine a few flowers of any cucurbit plant and try to identify the staminate and pistillate flowers. Do you know any other plant that bears unisexual flowers?
Mention the ploidy of the different types of cells present in the female gametophyte of an angiosperm.
Draw a diagrammatic, labelled sketch of a sectional view of human ovary.
External fertilisation occurs in majority of ______.
Syngamy means ______.
Which is correct?
Meiosis is best observed in dividing ______.
In meiosis, division is ______.
What is true for cleavage?
Meiosis takes place in ______.
Which of the following process is associated with a change in the cellular DNA amount?
Pre-fertilization events include the following?
- Gametogenesis
- Zygotic embryogenesis
- Gamete transfer
- Homogametic union
- Heterogametic union
The correct combination is ______
Rearrange the following events of sexual reproduction in the sequence they occur in a flowering plant:
Embryogenesis, Fertilisation, Gametogenesis, Pollination.
Is the presence of large number of chromosomes in an organism a hindrance to sexual reproduction? Justify your answer by giving suitable reasons.
Give reasons as to why cell division cannot be a type of reproduction in multicellular organisms.
