UGC NET Paper 2 — Environmental Science

Match the LIST-I with LIST-II LIST-I (Environment laws) A. Air (Prevention and Control of Pollution) Act B. Forest Conservation Act C. Environmental Protection Act D. Water (Preven...

Which of the following is a chemical treatment process in context to water treatment?

What is the correct sequence, from initial to final, of surface waste water treatment ? A. Disinfection B. Sedimentation C. Filtration D. Screening Choose the correct answer from t...

What is Noise Induced Permanent Threshold Shifts (NIPTS) ?

What is the major source of pollutant lead in homes?

निम्नलिखित में से कौन-से पॉली साइक्लिक हाइड्रोकार्बन (पीएएच) के संबंध में सही हैं? A. वे प्रबल कैंसरकारक वायु प्रदूषक हैं। B. इनका निर्माण तब होता है जब न्यूनतम 10 बेंजीन वलय एक सा...

Which of the following are essential requirements for the formation of photochemical SMOG? A. Carbon monooxide (CO) B. Nitrogen dioxide (NO₂) C. Carbon dioxide (CO₂) D. Volatile Or...

Arrange the following in increasing order of DDT concentration among them as a result of bioaccumulation/accumulation: (A) Fish (B) Water body (C) Fish eating birds (D) Zooplankton...

किसी सामान्य उपचार संयंत्र में निम्नलिखित में कौन सा कठोर भूमिगत जल के उपचार का प्रारम्भ चरण से अन्तिम चरण तक का सही क्रम है? (A) असंक्रमण (डिसइन्फेक्शन) (B) मुलायम बनाना (सॉफ्टनिं...

Arrange the sequence of processes leading to formation of ozone hole: A. De-humidification, de-nitrification B. Vortex formation C. Pre-conditioning D. Very low temperature polar s...

Arrange the phases of life cycle analysis for information on environmental effects of products (from first to last): A. Inventory B. Initiation C. Impact D. Improvement Choose the...

Which of the following air pollutants causes serious health issue due to its greater affinity for hemoglobin in blood in comparison to oxygen?

Given below are two statements: Statement (I): Two categories of Ozone Depleting Substances (ODS) were class I and class II Statement (II): Production of class II ODS ceased in 200...

Match the LIST-I with LIST-II LIST-I (Waste water treatment process) A. Ozonation B. Aeration C. Flocullation D. Screening LIST-II (Explanation) I. Removal of excess ion and mangan...

Arrange the phases of life cycle analysis for information on environmental effects of products (from first to last): A. Inventory B. Initiation C. Impact D. Improvement Choose the...

Which of the following goals is not a Millennium Development goal?

Which of the following gases has the maximum contribution to Global Warming?

निम्नलिखित में से हाइड्रोइलेक्ट्रिक विद्युत संयंत्र के कौन-कौन से प्रभाव हैं ? A. भू-निम्नीकरण / अवक्रमण B. सूक्ष्म-भूकंपता C. ग्रीन हाउस गैस उत्सर्जन D. जल प्रदूषण E. धूम्र कोहरे...

सुपोषण (यूट्रोफिकेशन) क्या है?

Which of the following are true about coliform bacteria ? A. They are used to test water contamination. B. Coliform bacteria are harmless and cause no disease. C. They are found na...

Identify the most favourable conditions for the dispersion and dilution of air pollutants in the atmosphere.

Which of the following are true about wind farms? A. They are often installed in rows B. They create noise pollution C. They can be installed on land or offshore D. They are non-re...

What is the correct sequence of steps followed from initial to last during water treatment process? (A) Coagulation (B) Filtration (C) Screening (D) Sedimentation Choose the correc...

In which of the following steps of hydrological cycle water is purified?

What is the full form of POPs?

For disaster management, following processes must be adopted : A. Training B. Migration C. Mitigation D. Response E. Detection Choose the correct answer from the options given belo...

What is the correct sequence (from lower number to higher) of the following related to Sustainable Development Goals (SDGs)? A. Number of Publications B. Number of Goals C. Number...

निम्नलिखित में से कौन-से औद्योगिक स्मॉग (धूम-कुहरा) के अनिवार्य अवयव हैं ? (A) सल्फर डाइऑक्साइड (SO₂) (B) विविक्त कण (पार्टिकुलेट मैटर) (C) फ्लाई एश (जलित राख) (D) कालिख (सूट) नीचे...

Arrange the following major industrial disasters in correct chronological order. A. Bhopal gas Tragedy B. Seveso Disaster C. Deepwater Horizon oil spill D. Soma Mine Disaster Choos...

वातावरण में तापमान का व्युत्क्रम इनमें से किसका प्रमुख कारण है?

As temperature increases, due to Global Warming, the release of methane from wetlands will increase, is an example of

नीचे दो कथन दिए गए हैं: कथन (I): जब किसी खतरनाक अपशिष्ट का pH मान अधिक या कम होता है, तब इसके विसर्जन से पूर्व उदासीन बनाने के लिए इसका शोधन किया जाना चाहिए। कथन (II): कम pH मान वा...

Match the LIST-I with LIST-II LIST-I (COP) A. COP-11 B. COP-13 C. COP-15 D. COP-19 LIST-II (Locations) I. Copenhagen II. Warsaw III. Montreal IV. Bali Choose the correct answer fro...

Given below are two statements: Statement (I): Naturally occurring Volatile Organic Compounds (VOCs) generally oxidize to form Carbonmonoxide (CO) and Carbondioxide (CO₂) Statement...

Why is the concentration of CO2 is more in the Northern Hemisphere than the Southern Hemisphere ? A. Land mass is more in the Northern Hemisphere. B. Ocean body is more in the Sout...

Which of the following are true about pure rain water? A. It is naturally acidic B. It is naturally basic C. It is neutral (neither acidic nor basic) D. It's pH value is 7 E. It is...

Which of the following pertains to Clean Development Mechanism (CDM) under Kyoto Protocol?

Which of the following are known carcinogens? A. Nickel(Ni) B. Cadmium (Cd) C. Benzene (C6H6) D. Ozone (O3) Choose the correct answer from the options given below:

Electrostatic Precipitator is used in Thermal Power Plants to remove which of the following air pollutants? 1. Polycycli Aromatic Hydrocarbons 2. Gaseous Pollutants 3. Fly ash 4. V...

Which of the following air pollutants has the strongest affinity for hemoglobin in human blood?

निम्नलिखित में से कौन-से मृदा प्रकार केंचुओं के क्रियाकलाप में सहायता करते हैं? A. लोमी मृदा B. ग्लेयेड मृदा C. रेंडजिना D. पोडजोल नीचे दिए गए विकल्पों में से सही उत्तर का चयन कीजि...

What is the correct order of steps of Risk Assessment from initial to final? A. Exposure Assessment B. Risk Management C. Hazard Identification D. Risk Characterization Choose the...

सी.बी.ओ.डी (CBOD) का पूर्ण रूप क्या है?

Given below are two statements: Statement I: Composting is the aerobic decomposition of organic matter under controlled conditions, mainly by microorganisms. Statement II: Both mac...

Which one of the following has highest turbidity?

नीचे दो कथन दिए गए हैं: कथन I : अपशिष्ट जल के नमूने में कुल ठोस (विलयित और निलंबित) नमूने से जल के वाष्पीकृत होने के बाद बचे पदार्थ होते हैं। कथन II : विलयित ठोस भाग में सामान्यतः...

Full form of PAN, a type of air pollutant, is

Concept of salt gradient is utilized to store the heat energy in which of the following solar energy collecting systems?

Arrange the sequence of processes leading to formation of ozone hole: A. De-humidification, de-nitrification B. Vortex formation C. Pre-conditioning D. Very low temperature polar s...

When was the Paris agreement adopted ?