Related Questions
In water hyacinth and water lily, pollination takes place by:
Insects or wind
Water currents only
Wind and water
Insects and water
Majority of plants are
Biotic agent for pollination
Non- biotic agent for pollination
Air for pollination
Animals for pollination
The pollens are liberated in cassytha by
Porous dehiscence
Longitudinal dehiscence
Transverse dehiscence
Valvular dehiscence
The outermost and inner most wall layers of microsporangium in anther are (respectively)
Endothecium and tapetum
Epidermis to endodermis
Epidermis to middle layer
Epidermis and tapetum
which of the following is haploid?
style
ovary
synergids
endosperm
Sporopollenin plays a crucial role in the formation of pollen fossils. What is the key property of sporopollenin that facilitates this process?
Solubility in water
Resistance to degradation
Rapid decomposition
Attraction to insects
In angiosperms, what is the technical equivalent of the ovule?
Megasporangium surrounded by integuments
Megaspore mother cell
Microspore mother cell
Microspore surrounded by a callose wall
Vallisneria and Hydrilla are pollinated by?
Water
Wind
Insects
All
In which of the following plant structures does a haploid generation reside within a diploid generation?
Pollen grains inside the anther
Germinated pollen grain with two male gametes
Seed inside the fruit
Embryo sac inside the ovule
Autogamy stands for
Self-pollination in same flower
Self-pollination in different flower
Pollination in two flowers
Division in embryo
