Pollination is an important part of sexual reproduction in plants. It is a process by which pollen grains are transferred to the stigma so that... View Article
Non-flowering plants are those plants which do not produce flowers. Examples are bryophytes, pteridophytes and gymnosperms. Gymnosperms produce... View Article
Apomixis is the production of seeds without fertilisation. It is a kind of asexual reproduction so the genetic nature of apomictic embryo is... View Article
Pollens are produced in the stamen. It consists of an anther and filament. Pollens are produced inside the anther. The bilobed anther of... View Article
The function of the pollen tube is to carry male gametes towards the ovary through stigma and style. It enters the ovule through the micropylar... View Article
The female gametophyte in an angiosperm is also called the embryo sac. It is present inside the ovule or the megasporangium enclosed within the... View Article
The embryo develops from the zygote at the micropylar end of the embryo sac. It is formed as a result of syngamy when a male gamete fuses with... View Article
The non-flowering plants such as bryophytes and pteridophytes reproduce by spore formation. Spores are produced in a specialised structure called... View Article
Yes, the endosperm is persistent in cereals. Most of the monocotyledons have endospermic seeds. The endosperm is bulky and stores the nutrients.... View Article
Pollen grains are the male gametophytes. They are produced inside microsporangia in the anthers and are released by dehiscence of the anther. The... View Article
Vegetative propagation is an asexual mode of reproduction. It is important to increase the yield and grow sufficient food to fulfil the... View Article
Vegetative propagation occurs in mint through the sucker. A thin lateral branch arises from the base of the main axis and after growing aerially... View Article
Florigen, a hypothetical plant hormone is thought to be controlling flowering in plants. It is produced in leaves and migrates to shoot apices to... View Article
Embryo transfer is done after in vitro fertilisation. Early embryos with up to 8 blastomeres are transferred into the fallopian tube and embryos... View Article
Hibiscus buds fall off immaturely due to various reasons such as inconsistent watering, drying, sudden environmental changes, etc. Further... View Article
Buds are small outgrowth present terminally on the stem or in the axil of leaves. They are derived from meristematic tissues and develop into... View Article
Bud dormancy is an inactive state, wherein most of the physiological activities slow down. It is to avoid stress and extreme environmental... View Article
Wasps are pollinators for the fig tree. In the fig tree, flowers are present inside the fruit. Wasps enter the flower through a tiny pore, lay... View Article
