In geological time scale, the Era of reptiles is- (1) Paleozoic (2) Mesozoic (3) Holozoic (4) Proterozoic Introduction The history of life on Earth is divided into distinct eras, each […]
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CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
The Jurassic Period: When Did It Occur in Earth’s History?
The period of Jurassic in million years ago is- (1) 310-250 (2) 250-200 (3) 200-140 (4) 140-100 Introduction The Jurassic Period is one of the most iconic intervals in Earth’s […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Matching Trajectories of Global Environmental Change Drivers: How to Link Trends with Key Causes
The graph below depicts trajectories (A to D) of some of the major drivers of global environmental changes (i to iv) that are mentioned alongside. Match the trajectories with the […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Geological Time Scale Hierarchy: Understanding Eons, Eras, Periods, and Epochs
The correct hierarchy of geological times is: (1) eon > era > period > epoch (2) period > era > epoch (3) epoch > period > era > eon (4) […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Why Is Ozone Depletion More Severe Over the South Pole? Understanding the Role of the Polar Vortex, Stratospheric Temperatures, and Polar Stratospheric Clouds
The Montreal Protocol and its subsequent amendments have resulted in reduced ozone depletion. It is also observed that ozone depletion over the South Pole is much more severe than over […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Matching International Environmental Agreements to Their Focus Areas: A Comprehensive Guide
Following table gives a list of international environmental agreements and areas covered. Which of the following is correct combination? (1) A – (i), B – (ii), C – (iv), D […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Mapping Organic Matter Sources Along a Stream-to-River Continuum: How Allochthonous and Autochthonous Inputs Shape Aquatic Ecosystems
The diagram below depicts the generalizeddistributional curves (A to D) of allochthonous organic matter and autochthonous production by different autotrophic groups, as a stream transitions to a river. The following are sources […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Understanding Lake Eutrophication: How Key Parameters Change Over Time and Their Ecological Significance
In a lake subjected to progressive eutrophication,temporal changes in the magnitude of selectedparameters (A, B, C, D) are shown in the graph The parameters A, B, C, D are (1) […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Understanding Dissolved Oxygen and Biological Oxygen Demand Trends in Polluted Streams: A Guide to Water Quality Zones
Which one of the following statements is true for trends of the dissolved oxygen (DO) and biological oxygen demand in water stream receiving pollutants from point source? (1) In septic […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
How to Classify Water Bodies as Oligotrophic or Eutrophic Using Physicochemical Features: A Comprehensive Guide
54.Based on the selected physicochemical features of four water bodies given in the following table, which of the following statements is correct? (1) Water bodies A and B are oligotrophic […]
