The following information refers to ecological interactions. Which one of the following options represents the correct match between column X and column Y? (1) A-(ii), B-(i), C-(iii), D-(iv) (2) A-(iv), […]
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CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Which Gas Has the Most Powerful Greenhouse Effect Per Molecule? Comparing CO₂, CH₄, N₂O, and CFCs
Based on per molecule, which of the following gas hasthe most powerful greenhouse effect? (1) CO2 (2) CH4 (3) N2O (4) CFCs What Is the Greenhouse Effect? The greenhouse effect […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Understanding the Relationship Between Probability of Death and Duration of Species Association: Identifying A, B, C, and D
The following matrix shows the relationship between probability of death and duration of species association. In the above, A, B, C and D are: (1) A – Parasites, B – […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Which Natural Disturbances Are Caused by Global Warming? Identifying Climate Change Effects
Given below is a list of natural disturbances. A. Coral bleaching B. Rising sea levels C. Shifts in species distribution D. Lowering of sea levels E. Increase in glacial sheets […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Host-Parasite Relationships: Are There More Parasite Species Than Host Species?
Consider the following assumptions i. All known living organisms possess parasites ii. A single host species can harbor more then one type of parasites iii. Parasites are species specific From […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Which Continents Have the Highest Cumulative Fossil CO₂ Emissions? Decoding the Graph of Continental Emissions (1850–2020)
The diagram below depicts the cumulative fossil CO2emissions (y axis) of different continents from the years 1850-2020 (x axis). Select the option that correctly identifies the continents A-D: (1) A-North […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Cattle Egret and Grazing Cow: A Classic Example of Commensalism in Grasslands
In grasslands, cattle egrets follows grazing cows. Cow during grazing exposes insects from grasses to egrets. This is an example of (1) Commensalisms (2) parasitism (3) Amensalism (4) Mutualism In […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Why Are High-Altitude Forbs Flowering Earlier but Producing Fewer Fruits? Climate Change, Pollinator Mismatch, and Competition
In a high-altitude meadow region, it was observed that over the last five years 20 forb species flowered 2-3 weeks earlier than their long-term average time of flowering. At the […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Which Country Had the Smallest CO2 Emissions Drop During COVID-19? Analyzing 2020’s Pandemic Impact
The Covid-19 pandemic had a major impact on CO2emissions due to the disruption of industrial activities caused by it. Which of the following countries/regions had the smallest fall of CO2emissions […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Why Do Pollinators Visit Blue Flowers With No Nectar? The Role of Visual Cues and Floral Mimicry
A plant with blue-coloured flowers was observed to attract a large number of pollinators. However, these flowers were not producing any nectar. Which of the following can be a logical […]
