Description : What are monothecous anthers? -Biology
Last Answer : answer:
Description : What is monothecous stamen? -Biology
Description : What is dithecous anther? -Biology
Description : Is there any special name for the connective that connects 2 anther lobes in dithecous anther? -Biology
Description : Write the function of each of the following (i)Middle piece in human sperm (ii)Tapetum in anthers (iii)Luteinising hormone in human males -Biology
Last Answer : (i)Middle piece in human sperm contains several mitochondria which produces energy for the motility of the sperm. (ii) Tapetum in anthers It is the innermost layer of the anther. ... male stimulates the Leydig cells to produce testosterone, necessary to complete the process of spermatogenesis.
Description : Anthers are fused and filaments are free in
Last Answer : Anthers are fused and filaments are free in A. Sunflower B. Gossypium C. Murraya D. Petunia
Description : What does the anthers contain?
Last Answer : similar things as bones
Description : Swollen placenta, oblique septum and conniving anthers are characteristics of family: (a) Brassicaceae (b) Asterácéae (c) Poaceae (d) Solatiaceae
Last Answer : Ans. ((d))
Description : Synandrous c9ndition is the fusion of (a) Filaments only (b) Both filaments and anthers (c) Anthers only (d) Petals
Last Answer : Ans. ((b))
Description : Stamens are fused with each other by their anthers and also with the petals in (1) Leguminosae (2) Liliaceae (3) Compositae (4) Euphorbiaceae
Last Answer : (3) Compositae Explanation: The loose union of structure of the same whorl is called cohesion, but the intimate histological union is called conflation. When anthers are fused with each other, the ... When there is fusion of stamens with petals, they are described as epipetalous e.g., Gamopetale.
Description : Flowers having stigma below the highest anthers are called _______: a. Apistigmatic b. Hypostigmatic c. Peristigmatic d. Exostimgatic
Last Answer : Apistigmatic
Description : Maturation of anthers and stigma at the same time refers to: a. Homogamy b. Chasmogamy c. Cleistogamy d. Dichogamy
Last Answer : Homogamy
Description : The anthesis is a phenomenon, which refers to (a) development of anthers (b) opening of flower bud (c) stigma receptors (d) all of these.
Last Answer : (b) opening of flower bud
Description : If there are 4 cells in anthers, what will be the number of pollen grains? (a) 16 (b) 12 (c) 8 (d) 4
Last Answer : a) 16
Description : .Epipetalous stamens with free filaments and fused anthers occur in (a) Asteraceae (b) Solanaceae (c) Liliaceae (d) Poaceae.
Last Answer : (a) Asteraceae
Description : Long filamentous threads protruding at the end of a young cob of maize are (a) hairs (b) anthers (c) styles (d) ovaries
Last Answer : (c) styles
Description : 10. “Cleistogamous flowers are invariably autogamous because” (a) These flowers do not open at all. (b) There is no chance of cross – pollen landing on the stigma. (c) These flowers have exposed anthers and stigma. (d) These flowers are wind pollinated.
Last Answer : (a) These flowers do not open at all.
Description : Stamens are fused with each other by their anthers and also with the petals in : (1) Leguminosae (2) Liliaceae (3) Compositae (4) Euphorbiaceae
Last Answer : Compositae