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leguminous crop grown under phosphate deficiency conditions may suffer from n deficiency as well explainrhizobium bacteria infect the roots of
under what conditions an element is called an essential element an element is called as an essential element if a the plant can not
describe the meaning of continuous cropping continuous cropping or monoculture1 the climate may favour one crop or a soil may be especially
explain in brief about the crop rotation1 deep rooted legumes may be grown periodically over all fields2 there is more continuous vegetative
determine the role of microflora in the soilthe microflora in the soil play an important role in the decomposition of dead plants and animal and
what are the cultural practices continuous cultivation of a single crop monoculture over years at the same site cause s accumulation of a
translate into an equation a number increased by 19 equals 77 let the number be represented by
what is the concept of mesonephricreplaces the pronephros during development and is retained as functional kidney in adult fish and amphibians formed
determine the significance of mesogleathe jellylike layer found between endodermal and ectodermal cell layers of diploblastic organisms it acts as a
what do you understand by mesocoelthe middle of three coelomic spaces found in tripartate body plan characteristic of deuterostome lineage of animals
what do you determine by mantlea thin sheetlike membranous extension of visceral mass of molluscs which forms two flaps of skin mantle secretes the
what is the significance of malpighian tubulesexcretory structures found in insects and some spiders though similar in appearance and function the
elaborate the following term in detail - macronucleusone of two types of dimorphic nuclei found in ciliate protozoans macronucleus contains multiple
state the term in broad - lunulein sand dollars notches or holes which pass through the body of the animal their function is not fully understood
what is the concept of lophophorea unique double ring of hollow ciliated tentacles that surround the oral opening in some animal phyla there is some
determine the term - leuconoid spongethe most complex of the three different sponge architectures choanocytes are found in chambers and there is not
what do you understand by larval amplificationa form of asexual reproduction where during life cycle a single larval organism can produce large
state the term in detail hydrostatic skeletonformed from a fluid-filled and closed cavity surrounded by a body wall comprising muscles oriented in
describe about the term - inorganic phosphorusthe large quantity of carbon dioxide evolved during organic matter decomposition is thought to be
what is dry manuredry manure though contains 80 percent carbon yet it is considered primarily as a nitrogen fertilizer and to a lesser extent one of
explain the following terms in detail - homology homologousstructures that have a similar evolutionary origin however different functions the wing of
state about the carbonaceous and nitrogeneous materialsthe basic ingredients of these are either animal or human excreta containing microorganisms
what do you understand by heterotrophicorganisms which are not capable of converting light into chemical energy they should consume other organisms
what is hemocoel explain in detailprinciple body cavity in molluscs and arthropods remnant of the blastocoel it forms part of open circulatory system
elaborate the term - gill slitslateral opening in the wall of pharynx which allows water to enter into mouth and exit through the pharynx this is one