UPSC Practice Prelims & Mains · one site
Prelims GS PYQs & MCQ Mains Written answers
  • Support email
  • WhatsApp

  • Sign in
  • Sign up
Prelims / 2024 / Environment & Ecology
Ancient History 3 Art & Culture 4 Economy 13 Environment & Ecology 13 Geography 20 Indian Polity 19 International Relations 6 Medieval History 1 Modern History 3 Science & Technology 11 Social Issues & Schemes 7
Question 1 Easy

"Membrane Bioreactors" are often discussed in the context of:

Read answer
Question 2 Easy

Consider the following statements : 1. Lions do not have a particular breeding season. 2. Unlike most other big cats, cheetahs do not roar. 3. Unlike male lions, male...

Read answer
Question 3 Hard

Consider the following: 1. Carabid beetles 2. Centipedes 3. Flies 4. Termites 5. Wasps Parasitoid species are found in how many of the above kind of organisms?

Read answer
Question 4 Medium

Consider the following statements: Statement-I: The Indian Flying Fox is placed under the "vermin" category in the Wild Life (Protection) Act, 1972. Statement-II: The...

Read answer
Question 5 Medium

Consider the following materials: 1. Agricultural residues 2. Corn grain 3. Wastewater treatment sludge 4. Wood mill waste Which of the above can be used as feedstoc...

Read answer
Question 6 Easy

Consider the following: 1. Butterflies 2. Fish 3. Frogs How many of the above have poisonous species among them?

Read answer
Question 7 Easy

With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements : 1. PFAS are...

Read answer
Question 8 Easy

Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree?

Read answer
Question 9 Medium

One of the following regions has the world's largest tropical peatland, which holds about three years worth of global carbon emissions from fossil fuels; and the possi...

Read answer
Question 10 Easy

Consider the following statements: Statement-I: The atmosphere is heated more by incoming solar radiation than by terrestrial radiation. Statement-II: Carbon dioxide ...

Read answer
Question 11 Medium

Consider the following statements : Statement-I: Many chewing gums found in the market are considered a source of environmental pollution. Statement-II: Many chewing ...

Read answer
Question 12 Medium

The organisms "Cicada, Froghopper and Pond skater" are:

Read answer
Previous Page 1 of 2 Next

Practice

No practice set for this subject.

Open private tests

UPSC Practice is an independent preparation platform and is not affiliated with the Union Public Service Commission.

© 2026 UPSC Practice. All rights reserved.