ORGANISMS AND POPULATION

Organism And Population /Class 12/NCERT/Chapter 13/Ecology/Quick Revision Series/NEET/AIIMS/JIPMER

Assertion (A): Population has certain attributes which an individual organism does not have. Reason (R): Population is a groups of people living in well defined area, at a particular time.

Population || Local Population and Sister Population || Characteristics OF Population ||Birth Rate || Death Rate || Immigration || Emigration ||Population Growth ||Age Pyramids || Population Density

Identify the basic levels of ecology {:(I,"Organisms",II,"Population"),(III,"Communities",IV,"Biomes"),(V,"Human",VI,"Vertebrates"):} Choose the correction options

[A] : A biotic community exhibits adaptive radiation . [R] : The organisms of different populations have some features in common due to the effect of the same abiotic factors of the environment .

According to hardly-Weinberg equilibrium, the allelic frequecies in a population will remain constant from generation under which of these two conditions? I.Large population size II.Non-random mating III. There should be differential success among the organisms of the population IV. There should be no mutations or large scale migrations

[A] : Population density of indicator organisms show degree of water pollution . [R] : BOD is an index of organic waste in water .

When two related populations occupy geographically or spatially separate areas, they are called. OR The organisms separated by geographical barriers are termed

Which of the following are correct ? I. Population is group of individual organisms of the same species in a given area. II. An ecotype is a population of inidividuals of a species, which are genetically different. III. Environment is influnced by many biotic and abiotic factors. IV. Ecade is a place, where and organism lives.

Population Attributes|Age Pyramids|Population Density|Population Growth