Prepare for NEET with Botany-specific practice questions. Covering all major Botany chapters, this is perfect for your NEET Biology needs.
Which of the following is a defining characteristic of apomixis?
Seed formation without fertilization
Development of fruit without pollination
Fusion of male and female gametes
Formation of diploid spores
Polyembryony refers to:
The development of multiple seeds in a fruit
The formation of more than one embryo in a seed
The fusion of multiple pollen grains with a single ovule
The development of multiple fruits from a single flower
In apomixis, the embryo develops directly from:
A haploid egg cell
A diploid cell in the ovule
The fusion of gametes
A pollen grain
Which statement is true about polyembryony?
It always results in genetically diverse offspring.
It only occurs in gymnosperms.
It prevents self-fertilization.
It can result in genetically identical offspring.
During double fertilization in angiosperms, one sperm fuses with the egg cell, and the other sperm fuses with:
Synergids
Antipodal cells
Central cell
Integuments
Plants like Selaginella and Salvinia produce two kinds of spores. Such plants are known as:
Homosporous
Dioecious
Heterosporous
Monoecious
Which of the following terms describes plants like Selaginella and Salvinia that produce both megaspores and microspores?
Homosporous
Heterosporous
Dioecious
Monoecious
The production of two distinct types of spores, megaspores and microspores, in plants like Selaginella and Salvinia is known as:
Heterosporous
Homosporous
Isogamy
Anisogamy
Selaginella and Salvinia are examples of plants that exhibit:
Homospory
Isospory
Apospory
Heterospory
