Organisms and Populations questions
349 published questions with worked solutions.
- The asymptote in a logistic growth curve is obtained when
- Two different species cannot live for a long duration in exactly the same niche or habitat indefinitely. This law is
- The sum total of the populations of the same kind of organisms constitutes a
- The study of inter-relationships between organisms and their environment is called
- Which type of association is found between an entomophilous (insect-pollinated) flower and its pollinating agent?
- If '+' denotes a beneficial interaction, '-' a detrimental interaction and '0' a neutral interaction, then the population...
- Which of the following is correct for r-selected species?
- The abundance of a species' population within its habitat is called
- When does the growth rate of a population following the logistic model equal zero?
- The branch of science that studies the interactions among organisms and between organisms and the physical environment is called
- Statement 1: The study of a single individual or a population in relation to the environment is called autecology. Statement 2:...
- Water is the second most important factor influencing the life of organisms because
- When organisms change their location to escape a harsh environment, it is called
- Population ecology is an important area because it __(i)__ ecology to population genetics and __(ii)__. Identify (i) and (ii).
- In a pond, last year there were 30 lotus plants. Through reproduction, 25 new lotus plants were added in one year while 8 plants...
- In a life table, the number of individuals alive at the beginning of the 1st-to-2nd year interval is 800. During this interval,...
- The percentage of individuals in successive age classes of a given population is called
- A population in which the number of pre-reproductive individuals is very large, the number of reproductive individuals is...
- The age structure of a population represents
- The age structure of a population influences population growth because
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration