Following figure shows McArthur and Wilson’s equilibrium model of biota on a single island In this figure, terms A, B, C and D in order are (1) extinction. immigration, equilibrium […]
Tag: CSIR NET Life Science PYQ Biogeography
CSIR NET Life Science PYQ Biogeography
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CSIR NET Life Science Previous Year Questions and Solution on Biogeography
The Enemy Release Hypothesis: Why Invasive Species Thrive in New Environments
Invasive species, in general grow very well in a new area that they invade, and often outcompete native species. An explanation for the better growth and propagation of invasive species […]
CSIR NET Life Science Previous Year Questions and Solution on Biogeography
Survivorship Curves of Invasive Insect Pest Species: Understanding Type III Patterns
Which one of the following survivorship curves is typical of invasive insect pest species? (1) Invasive insect pest species do not follow specific survivorship curves (2) Type II (3) Type […]
CSIR NET Life Science Previous Year Questions and Solution on Biogeography
Are Invasive Species r-Selected? Understanding the Life Strategies Behind Biological Invasions
Which of the following is typically true of invasive species? (1) They are r-selected (2) They are K-selected (3) They are habitat specialists (4) They are always introduced by humans. […]
CSIR NET Life Science Previous Year Questions and Solution on Biogeography
Why Island Ecosystems Are Highly Prone to Biological Invasion: Debunking Common Myths
Which one of the following is NOT correct? (1) Island ecosystems are less prone to biological invasion because of their distance from mainland (2) Invasive species have greater phenotypic plasticity […]
CSIR NET Life Science Previous Year Questions and Solution on Biogeography
Seasonal Variation in Plankton Biomass: Matching Oceanic Regions to Climatograms
The graphs (A-C) below depict the seasonal variation in plankton biomass in three oceanic regions of Northern hemisphere (i to iii): Oceanic regions of the world: i. Tropical oceans ii. […]
CSIR NET Life Science Previous Year Questions and Solution on Biogeography
Identifying Biomes by Plant Bud Spectra: A Guide to Graph Interpretation
Given below are the spectra of plant forms (on the basis of where the plants bear their buds) in different biomes (A to C) Which one of the following options […]
CSIR NET Life Science Previous Year Questions and Solution on Biogeography
Matching Climatograms to Biomes: Understanding Temperature and Rainfall Patterns
The following four climatograms depict observation of mean temperature and rainfall for four locations. The solid lines depict temperature while the dashed line depicts rainfall. Given below are five biomes: […]
CSIR NET Life Science Previous Year Questions and Solution on Biogeography
Biome Classification by Temperature and Precipitation: Understanding the Correct Combinations
Average annual precipitation and temperature are two important determinants of world’s major biomes. Which of the following combinations are correct? (1) A-iv; B-iii; C-i; D-ii (2) A-iii; B-ii; C-iv; D-i […]
CSIR NET Life Science Previous Year Questions and Solution on Biogeography
The Chaparral Biome: California and the Mediterranean’s Unique Ecosystem
Type of biome in California and coastal regions of Mediterranean Sea is (1) Taiga (2) Savanah (3) Chaparrals (4) Tropical deciduous forests The landscapes of California and the coastal regions […]
