Organisms and Populations questions
349 published questions with worked solutions.
- The growth curve of bacterial population in lab is plotted against time. What will be the shape of graph?
- In a population, unrestricted reproductive capacity is called as -
- Choose the correct sequence of stages of growth curve for Bacteria : -
- Which type of association is found in between entomophilous flower and pollinating agent : -
- Two different species can not live for long duration in the same niche or habitat. This law is : -
- Two opposite forces operate in the growth and development of every population. One of them relates to the ability to reproduce at...
- The formula for exponential population growth is-
- Niche overlap indicates-
- What is true about the isolated small tribal populations?
- The logistic population growth is expressed by the equation :
- A biologist studied the population of rats in a barn. He found that the average natality was 250, average mortality 240,...
- Gause's principle of competitive exclusion states that:
- When does the growth rate of a population following the logistic model equal zero? The logistic model is given as dN/dt = rN (1 -...
- Asymptote in a logistic growth curve is obtained when
- Natality refers to
- Which one of the following population interactions is widely used in medical science for the production of antibiotics?
- Which of the following equations depicts Verhulst-Pearl logistic population growth?
- Choose the correct statements regarding population interactions between two species. A. In both parasitism and commensalism, only...
- Consider a population of 10 million cells. Given the per-capita birth rate of 0.002 (per unit time) and the per-capita death rate...
- Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : The logistic...
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