Temporary fluctuation in number of individuals aroundthe carrying capacity in most of populations is due to (1) density dependent factors (2) density independent factors (3) Bottle neck phenomenon (4) Interspecific […]
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How Age at First Reproduction, Fecundity, and Population Growth Rate Interact: Key Insights from Population Ecology
The graph below shows the relationships of per capita population growth rate (r), fecundity (b) and age at first reproduction (α) in an animal species. What is the most important […]
How Generation Time, Growth Rate, and Metabolic Rate Relate to Body Size: Decoding Biological Scaling Curves
Three important biological parameters— generationtime, population growth rate (r) and metabolic rate per gram body weight are a function of the organism’s body size. Which of the curves (a) or (b) represents […]
Biodiversity in India: Understanding the Decreasing Order of Species Richness Across Major Taxa
Based on the reported estimates of biodiversity in India, select the correct option that represents the decreasing order of total number of species reported in these taxa. (1) Angiosperms > […]
Which Protected Area Has the Greatest Phylogenetic Diversity? Understanding Biodiversity Through Evolutionary Distinctness
33. The prominent mammal species found in four different protected areas are listed below: Area A: Tiger, Wild dog, Leopard, Elephant Area B: Common langur, Barking deer, Wild dog, Elephant […]
Why High Edge-to-Area Ratio Is Undesirable When Designing Nature Reserves in the Tropics
Which one of the options given below is NOT desirable when setting up nature reserves in the tropics? (1) Reserves that are linked to each other by corridors (2) Reserves […]
Best Criteria for Setting Up a Nature Reserve: Key Combinations for Conservation Success
Which of the following combinations is good for setting up a nature reserves: (1) i, ii, iii (2) ii, iii, iv (3) i, iii, iv (4) i, ii, iv Introduction […]
Understanding Biosphere Reserves in India: Attributes, Purpose, and How They Differ from Other Protected Areas
India has currently 17 biosphere -reserves representing different ecosystems. These conservation areas significantly differ from the conventional protected areas of the country. Identify the correct combination of attributes (A to […]
What Does the Curve of Generation Time Reveal? Identifying the Y-Axis Parameter in Population Growth Studies
What parameter, plotted on Y-axis against generationtime, would yield the curve shown in the figure? (1) Survivorship (2) Body size (3) Lifespan (4) Intrinsic rate of growth Introduction In population […]
Intrinsic Rate of Growth vs. Generation Time: Understanding Their Inverse Relationship in Population Ecology
Among the following which graph best represent relationship between intrinsic rate of growth ‘r’ and generation time ‘t Introduction In population ecology, two fundamental parameters—intrinsic rate of growth (r) and generation time […]


