AIIMS UG 2013 Mock Test

In plant breeding programmes, the entire collection of plants/seeds having all the diverse alleles for all genes in a given crop is called:

During sewage treatment, biogases are produced which include:

A biologist studies a population of rats. Natality = 250, Mortality = 240, Immigration = 20, Emigration = 30. The net increase in population is:

Which process of decomposition is correctly described?

A sedentary sea anemone gets attached to the shell lining of a hermit crab. This association is an example of: