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MHT-CET : Biology Entrance Exam

MHT - CET : Biology - Sexual Reproduction in Angiosperms Glossary

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                     Androecium: It is a male reproductive part of a flower which is made up of stamens.

                     Anemophily: Pollination effected through wind is called anemophily.

                     Calyx: It is the outermost floral whorl made up of sepals.

                     Cleistogamy: It is a contrivance for self-pollination where the flowers remain closed permanently.

                     Contrivances for Pollination: These are the adaptations shown by flowers to carry out a specific type of pollination.

                     Cross Pollination: Type of pollination where pollen grains from the anther of a flower are carried to the stigma of another flower.

                     Corolla: It is the second floral whorl made up of petals.

                     Cymose: It is a type of inflorescence where the growth of inflorescence axis is definite due to production of a flower.

                     Dichogamy: Maturation of anthers and stigmas at two different times in a bisexual flower.

                     Entomophily: Pollination effected through insects is called entomophily.

                     Endosperm: The triploid nutritive tissue formed due to fusion of male gamete and secondary nucleus in an angiosperm.

                     Fertilisation: The union of male and female gamete to form a zygote is called fertilisation.

                     Gynoecium: It is the female reproductive part of a flower which is composed of carpels.

                     Homogamy: Maturation of anthers and stigmas at the same time in bisexual flowers.

                     Heterostyly: The condition where two or more types of flowers are produced which have different length of styles and stamens.

                     Hydrophily: Pollination effected through water is hydrophily.

                     Ornithophily: Pollination effected through birds is ornithophily.

                     Orthotropous Ovule: An erect or upright ovule where micropyle lies towards the apex and chalaza towards the base.

                     Pollination: Transfer of pollen grains from anther to the stigma is called pollination.

                     Racemose: It is a type of inflorescence where inflorescence axis grows indefinitely.

                     Thalamus: Upper region of floral axis on which floral whorls are arranged is called thalamus.

                     Xenogamy: Transfer of pollen grains from anther of one flower to the stigma of an other flower located on a different plant is called xenogamy.

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