Posts

Showing posts from April, 2021

Reproductive Structures of Pteridophyte

  Reproductive Structures of Pteridophyte The Pteridophyte sporophyte, besides being a prominent component of soil and vegetation, is an important ornamental plant in gardens and lawns. Indoors, its gracefulness and shape fit it ideally as a plant for pot culture in hallways and living rooms, especially during the months of November to March. Transportation of whole plants from one place to another without damage is attempted by packing them in sand, decomposed silt, ashes, or sawdust. Despite their rich horticultural value, many Pteridophytes are vanishing from nature due to indiscriminate destruction of their natural habitats and capturing of species for ornamental purposes. The best means of conservation is an adequate botanical knowledge of these plants, together with their habitats. The approaches of the non-destructive collection of herbarium specimens are now being stressed. The collection is also supplemented with data regarding the locality and habitat, so as to make it de...

ECOLOGY mcq

  ECOLOGY   1. Which one is not a pollutant: ( a ) Heavy metal                      ( b ) Photo Chemical Smog ( c ) Stone dust                                 ( d ) VAM   2. Pollution of big cities can be controlled to large extent by- ( a ) Wide roads and factories away from city ( b ) Cleanliness drive and proper use of pesticides ( c ) Proper sewage and proper exit of chemicals from factories ( d ) All of the above   3. The Ecological pyramid that is always upright ( a ) Pyramid of energy                      ( b ) Pyramid of biomass ( c ) Pyramid of number                          ...