Which of the following statements about air pollution effects is/are correct?

1. Carbon monoxide binds with haemoglobin, preventing oxygen transport.

2. Ethylene accelerates fruit ripening and causes premature leaf fall.

3. Nitrogen oxides cause acid rain and respiratory issues.

Which of the following statements are correct regarding unburnt hydrocarbons?

1. They include benzene and 3,4 benzopyrene.

2. They are mainly emitted by burning fossil fuels.

3. They are associated with lung cancer in humans.

Which of the following statements regarding types of pollution are correct?

1. Natural pollution arises solely from human activities like industrial waste dumping.

2. Anthropogenic pollution is caused by human actions such as overuse of fertilizers.

3. Positive pollution involves the addition of harmful substances, reducing fertility.

4. Negative pollution involves the removal of essential substances, reducing productivity.

Which natural pollutant is associated with forest fires and also occurs in marshy areas?

Which of the following pollutants is naturally released from marshes and paddy fields and is also the most abundant hydrocarbon in the atmosphere?

Which of the following gases is primarily responsible for acid rain and photochemical smog?

Which pollutant is responsible for the destruction of chlorophyll and adversely affects monuments like the Taj Mahal?

Which of the following is the primary source of Carbon Monoxide (CO) in urban air pollution?

ഇന്ത്യയുടെ ദേശീയ ബഹിരാകാശ ദിനാഘോഷത്തെ സംബന്ധിച്ച ശരിയായ വാക്യം/വാക്യങ്ങൾ തെരഞ്ഞെടുക്കുക

(i) എല്ലാ വർഷവും ആഗസ്റ്റ് 23 ന് ആചരിച്ചു വരുന്നു

(ii) 'ചന്ദ്രനെ തൊടുമ്പോൾ ജീവിതങ്ങളെ സ്പ‌ർശിക്കൽ : ഇന്ത്യയുടെ ബഹിരാകാശ സാഗ' എന്നതാണ് ഇന്ത്യയുടെ ദേശീയ ബഹിരാകാശ ദിനം 2025-ലെ പ്രതിപാദ്യം

(iii) ഇത് ചന്ദ്രയാൻ ചന്ദ്രനിൽ വിജയകരമായി ഇറങ്ങിയതിന്റെ സ്മരണക്കായി ഏർപ്പെടുത്തിയതാണ്

(v) ഇത് ചൊവ്വ ഭ്രമണപഥദൗത്യത്തിന്റെ വിജയസൂചകമായുള്ള ആചരണമാണ്

(v) ഇത് ഇന്ത്യയുടെ ബഹിരാകാശ ദൗത്യങ്ങളെക്കുറിച്ച് പൗരന്മാർക്കിടയിൽ വർദ്ധിച്ച ആവേശവും അവബോധവും സൃഷ്ടിക്കുന്നു

Consider the following about pollution control strategies:

1. Substituting pollutants with safer alternatives is a viable strategy.

2. Pollution can be minimized but not completely eliminated.

3. Recycling non-biodegradable materials is an effective control method.

Consider the following regarding natural pollution:

1. It is always harmless.

2. Methane from marshes is a type of natural pollution.

3. Natural pollution cannot be regulated.

Consider the following regarding qualitative and quantitative pollutants:

1. Qualitative pollutants include substances introduced exclusively by humans.

2. Quantitative pollutants are harmful only when their concentration increases.

3. Mercury is a qualitative pollutant.

Consider the following statements about synergism:

1. It refers to the combined effect of primary pollutants creating more toxic substances.

2. It always leads to less harmful by-products.

3. PAN and smog are examples of products formed via synergism.

Consider the following statements about biodegradable pollutants:

1. Biodegradable pollutants are always harmless in any quantity.

2. They can cause pollution if present in excess amounts.

3. Microorganisms play a key role in degrading biodegradable pollutant

Which statements correctly distinguish between positive and negative pollution?

1. Positive pollution refers to addition of harmful substances in the environment.

2. Negative pollution involves removal of necessary components like topsoil.

3. Both types contribute equally to pollution intensity.

Which of the following statements describe anthropogenic pollution?

1. It is caused by natural events like volcanic eruptions.

2. It results from human activities.

3. Examples include emissions from industries and vehicles.

Which of the following statements about primary pollutants are true?

1. They are emitted directly into the atmosphere.

2. Carbon monoxide and DDT are primary pollutants.

3. They are more toxic than secondary pollutants.

Which of the following statements are correct regarding pollution control?

1. One way to control pollution is by legally banning harmful substances.

2. Alternatives to pollutants can help in pollution mitigation.

3. There is no way to control pollution once it has started.

Which of the following statements are correct?

1. Non-biodegradable pollutants can be naturally recycled over time.

2. Aluminium and DDT are examples of non-biodegradable pollutants.

3. Biodegradable pollutants always enhance environmental quality.

Which category best describes substances that occur naturally but cause pollution when concentration increases?

Which of the following is a qualitative pollutant?

Which type of pollution is caused by overgrazing leading to soil nutrient loss?

Which of the following is an example of a secondary pollutant?

Which of the following is an example of a non-biodegradable pollutant?

Consider the following statements.

1. Producers generate energy-rich food using sunlight.

2. Consumers include decomposers only.

3. All organisms in the biosphere are either producers or consumers.

Consider the following statements.

1. Pollution refers to any desirable change in the environment.

2. Pollution can affect human health directly or indirectly.

3. Industrial activity is a major contributor to environmental pollution.

Consider the following statements.

1. An ecosystem includes energy flow through different trophic levels.

2. Each successive trophic level receives 20% of the energy from the previous level.

3. Consumers are classified into primary, secondary, and tertiary based on feeding habits.

Which of the following statements are correct?

1. Alexander Von Humboldt was the first to present the relationship between organisms and environment.

2. Eugene Odum is credited with the term "ecosystem."

3. Rachel Carson’s Silent Spring led to the formation of the U.S. Environmental Protection Agency.

Who is regarded as the Father of Indian Ecology?

What percentage of energy is transferred from one trophic level to the next in a food chain?

Who is known as the ‘Mother of the Modern Environmental Movement’?

Who first introduced the term "Ecosystem"?

Who is recognized as the 'Father of Modern Ecology'?

നാൻസി ഗ്രേസ് റോമൻ ബഹിരാകാശ ദൂരദർശിനി ഏത് ബഹിരാകാശ ഏജൻസിയുമായി ബന്ധപ്പെട്ടിരിക്കുന്നു?

Consider the following statements:

1. Plastic pollution is one of the key environmental challenges addressed by multiple WED themes.

2. The themes of WED are influenced by the host country’s priority issues.

3. UNEP has no role in selecting the annual theme.

With reference to environmental awareness events, consider the following statements:

1. The Stockholm Conference marked the first global political recognition of environmental issues.

2. World Environment Day was created as a follow-up to the 1992 Rio Earth Summit.

3. The 2024 theme emphasizes ecosystem restoration and resilience to drought.

Choose the correct statement(s):

1. World Environment Day 2023 highlighted technological solutions to plastic pollution.

2. The slogan “Beat Plastic Pollution” was first launched in 2023.

3. The 2023 host country was South Korea.

Consider the following statements about the 1972 Stockholm Conference:

1. It was the first UN conference focused on environmental issues.

2. It led to the formation of the UNEP.

3. It resulted in binding legal treaties on carbon emissions.

Consider the following statements:

1. The term ecology encompasses both the study of species interactions and abiotic influences.

2. Population dynamics, community structure, and ecosystem energy flow are subfields of ecology.

3. Ecology focuses solely on wildlife and forest conservation.

Which of the statements given above is/are correct?

Identify the correct statements:

1. Themes of World Environment Day are revised annually.

2. Each year a different country hosts the event.

3. The United Nations Environment Programme (UNEP) leads this global observance.

Consider the following:

1. “Only One Earth” was originally the slogan of the Stockholm Conference 1972.

2. It was reused for World Environment Day 2022.

3. It signifies the importance of biodiversity conservation

Which of the following statements is/are true regarding the slogan of World Environment Day 2024?

1. The slogan emphasized land restoration and drought resilience.

2. It used the hashtag "#GenerationRestoration".

3. The event was hosted by South Korea.

Which of the following statements are correct regarding the Stockholm Conference of 1972?

1. It was the first major global conference to focus on environmental issues.

2. It led to the establishment of World Environment Day.

3. It was organized by the World Health Organization (WHO).

Consider the following statements:

1. Ecology deals only with the interaction among organisms of the same species.

2. Ecology studies the relationship between organisms and their physical surroundings.

3. Ecology includes the study of both biotic and abiotic components of the environment.

   Choose the correct statements

The 2023 World Environment Day theme emphasized which of the following issues?

Which country is set to host World Environment Day 2025, focusing on the goal of ending plastic pollution?

What was the central theme of World Environment Day 2022?

Which of the following years marked the inception of World Environment Day as a global observance?

Who among the following coined the term "Ecology", marking a foundational moment in environmental science?

Consider the following statements regarding missile accuracy and survivability:

1. A CEP of 1 meter in BRAHMOS enhances its precision strike capability.

2. A missile with high CEP is more likely to miss its intended target by large distances.

Which of the above statements is/are correct?