Search Results for: pollen
Angiosperm
Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More
Pollen Grain
A structure produced by plants containing the male haploid gamete to be used in reproduction. The gamete is covered by... Read More
Sporopollenin
sporopollenin a major component of the tough outer (exine) walls of spores and pollen grains. (Science: biopolymer) a... Read More
Seed Plants – Quiz
[mlw_quizmaster... Read More
Self pollination
Definition noun (botany) A type of pollination in which the pollen from the anther of the flower is transferred to the... Read More
Cross-pollination
Definition noun (botany) A type of pollination in which the pollen from the anther of a flower is transferred to the stigma... Read More
Sexual reproduction
Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More
Elaioplast
Definition noun, plural: elaioplasts (botany) A leucoplast that stores oil Supplement Plastids are organelles involved in... Read More
Pollinator
Pollinator A pollinator is the agent that moves pollen from the male anthers of a flower to the female stigma of a flower to... Read More
Gymnosperm
Definition noun, plural: gymnosperms A vascular plant in which the seeds are not enclosed by a ripened ovary... Read More
Fall and Winter Allergies
Well, the outdoor allergy season is almost over and we will soon be finished doing collections and providing information to... Read More
Fruits, Flowers, and Seeds – Quiz
[mlw_quizmaster... Read More
Anther culture
Anther culture a plant culturing technique in which immature pollen is made to divide andgrow into tissue (either callus or... Read More
Chemotropism
Definition noun Growth or movement response of a cell or an organism to chemicals Supplement In general, tropism is an... Read More
Pollination
Transfer of pollen from the anther to the stigma of a plant.The transfer of pollen from male to female reproductive organs... Read More
Eudicotyledon
Definition noun, plural: eudictoyledons Any of the tricolpate angiosperms characterized mainly by having two cotyledons in... Read More
S gene complex
S gene complex (Science: molecular biology) genes coding for molecular components of the pollen stigma recognition system in... Read More
The Botany of Desire: A Plant’s-Eye View of the World
The Botany of Desire: A Plant's-Eye View of the World ... Read More
Nucellar embryony
Definition noun A form of apomixis where a nucellar embryo arises from the diploid nucellus tissue surrounding the embryo... Read More
Monocotyledon
Definition noun, plural: monocotyledons A group of flowering plants belonging to the class Liliopsida (or Monocotyledonae)... Read More
Dicotyledon
Definition noun, plural: dicotyledons A group of flowering plants belonging to the class Magnoliopsida of Angiospermae... Read More
Polygenic inheritance
Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More
Electrotropism
Definition noun Growth or movement of a cell or an organism in response to an electric field Supplement In general, tropism... Read More
Thigmonasty
Definition noun A form of nastic movement (of a plant or a fungus) as a response to touch or vibration Supplement Nastic... Read More
Exogenous antigen
Definition noun Antigen that enters the body of the organism from the outside, e.g. through inhalation, ingestion, or... Read More