Which one of the following gases is present in thestratosphere at a concentration higher than itsconcentration in troposphere? (1) Nitrogen (2) Oxygen (3) Ozone (4) Carbon dioxide Earth’s atmosphere is […]
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CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Where Is the Ozone Layer Located? Understanding Its Importance in the Stratosphere
Layer of Atmosphere possessing ozone is- (1) Stratosphere (2) Mesosphere (3) Ionosphere (4) Troposphere The ozone layer is a crucial component of Earth’s atmosphere, playing a vital role in protecting […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Biological Effects of Ozone Layer Depletion: Why Pyrimidine Dimers Are the Most Pertinent Result
Which of the following is the most pertinent biologicaleffect of the depletion of ozone layer in stratosphere? (1) Denaturation of cellular proteins (2) Formation of pyrimidine dimmers (3) Increase in […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Organic Pollution in Lakes: How Excess Nutrients and Decomposition Affect Oxygen Levels and Aquatic Life
During organic pollution in lakes (1) BOD decreases (2) Amount of oxygen decreases (3) Amount of oxygen increases (4) Nutrient decreases Organic pollution is a major threat to freshwater ecosystems, […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Why Do Cyanobacteria Thrive in Eutrophic Lakes? Exploring the Key Adaptations and Competitive Advantages
Cyanobacteria flourish well in eutropic lakes because (1) They use nitrogen more efficiently (2) They use phosphate more efficiently (3) Other algae cannot grow under given conditions (4) They are […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Which Gas Does Not Cause the Greenhouse Effect? Understanding Greenhouse Gases and Their Impact
Which gas do not cause green house effect (1) CO (2) CO2 (3) CH4 (4) O3 The greenhouse effect is a natural process that warms the Earth’s surface and atmosphere, […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
How Increased CO₂ in the Atmosphere Affects Our Planet: From Warming to Climate Shifts
Increase in CO2in atmosphere causes (1) More rainfall (2) Decrease productivity (3) Warmness of Atmosphere (4) More snowfall The increase in atmospheric carbon dioxide (CO₂) is one of the most […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
What Causes Maximum Water Pollution and Eutrophication? Comparing Detergents, Pesticides, Industrial Wastes, and Ammonia
The maximum water pollution and eutrophication is caused by- (1) Detergents (2) Pesticides (3) Industrial wastes (4) Ammonia Water pollution and eutrophication are among the most pressing environmental issues affecting […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
Minamata Disease: The Tragic Legacy of Mercury Pollution in Fishing Waters
5. Minimata disease is due to pollution by (1) Organic waste into drinking water (2) Oil spills in oceans (3) Industrial waste mercury into fishing water (4) Entry of Cadmium […]
CSIR NET Life Science Previous Year Questions and Solution on applied ecology
What Is Biogas Made Of? Understanding the Main Components and Their Importance
Biogas consist of- (1) CH4, SO2and H2 (2) CO2, Alcohol and H2 (3) CH4and CO2 (4) CFC, CO2, N2 Biogas is a versatile and increasingly important renewable energy source, produced […]
