Which prevents self pollination or Main condition for a plant to perform cross pollination isA. Self sterilityB. HerkogamyC. DichogamyD. All of the above

Which prevents self pollination or Main condition for a plant to perfo

1.	Which prevents self pollination or Main condition for a plant to perform cross pollination isA. Self sterilityB. HerkogamyC. DichogamyD. All of the above
Answer» Correct Answer - D Self sterility herkogamy and dichogamy are adaptation for cross pollination

Discussion

No Comment Found

Related InterviewSolutions

A particle species of plant produces light, non sticky pollen in large numbers and its stigmas are long and feathery these modification facilitate pollination byA. insectsB. WaterC. WindD. Animals
In the embryos of a typical dicot and a grass, true homologous structures areA. Coleorhiza and coleoptileB. Coleoptile and scutellumC. Cotyledons and scutellumD. Hypocotyl and radicle
The phenomenon observed in some plants wherein parts of the sexual apparatus is used for forming embryos without fertilization is calledA. ParthenocarpyB. ApomixisC. Vegetative propagationD. Sexual reproduction
Pollination characteristically occurs inA. Angiosperms and fungiB. Angiosperms and GymnospermsC. Pteridophytes and angiospermsD. Bryophytes and angiosperms
In which one of the following would you expect to find glyoxysomesA. Endosperm of wheatB. Endosperm of castorC. Palisade cells in leafD. Root hairs
The given figure the self incompatibility the genotypes of embryo and endosperms are A. `{:("Embryo",,"Emdosperm"),(S_(1)S_(3)S_(3)S_(4),,S_(1)S_(1)S_(3)S_(4)S_(4)S_(3)):}`B. `{:("Embryo",,"Emdosperm"),(S_(1)S_(1),,S_(1)S_(3)S_(4)):}`C. `{:("Embryo",,"Emdosperm"),(S_(1)S_(1)S_(3)S_(4),,S_(3)S_(4)S_(4)):}`D. `{:("Embryo",,"Emdosperm"),(S_(4)S_(4),,S_(3)S_(4)S_(4)S_(1)S_(1)S_(3)):}`
Perisperm differs from endosperm inA. Its formation by fusion of secondary nucleus with several spermsB. Being a haploid tissueC. Having no reserve foodD. Being a diploid tissue
Which of the following floral parts forms pericarp after fertilizationA. NucellusB. Outer integumentC. Ovary wallD. Inner integument
Ruminate endosperm is commonly found in seeds ofA. CruciferaeB. CompositaeC. EuphorbiaceaeD. Annonaceca (Areca nut)
Development and formation of pollen grains in anther of the stamen is known asA. PollinationB. FertilizationC. MicrosporogenesisD. Megasporogenesis

Which prevents self pollination or Main condition for a plant to perform cross pollination isA. Self sterilityB. HerkogamyC. DichogamyD. All of the above

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment