Daily Current Affairs Quiz: September 05, 2025

Daily Prelims Quiz 05th September 2025
Q1.

Consider the following statements regarding human impact on ecological niches:

  1. Deforestation leads to a decrease in biodiversity.
  2. Urbanization does not significantly alter local ecosystems.
  3. Agricultural expansion can lead to soil degradation and loss of natural habitats.
  4. Industrial pollution has no significant impact on aquatic ecosystems.

How many of the Statements given above are correct?

  • A. Only one
  • B. Only two
  • C. Only three
  • D. None
Q2.

Consider the following statements about the challenges in bioremediation:

  1. Bioremediation processes can be significantly slower than physical or chemical methods of remediation.
  2. All pollutants can be effectively treated using bioremediation techniques.
  3. The success of bioremediation heavily depends on the presence of microbial populations capable of degrading the specific pollutants.
  4. Bioremediation is equally effective in all types of environments, regardless of the conditions such as pH, temperature, and salinity.

Which of the statements given above are correct?

  • A. 1 and 3 only
  • B. 2 and 4 only
  • C. 1, 2 and 3 only
  • D. All of the above
Q3.

With reference to the term ‘Ecology’, consider the following statements:

  1. It is the study of the relationships between living organisms, including humans, and their physical environment.
  2. It seeks to understand the vital connections between plants and animals and the world around them.
  3. Ecology also provides information about the benefits of ecosystems and how we can use Earth’s resources in ways that leave the environment healthy for future generations.
  4. The term was coined by German zoologist Ernst Haeckel in 1866, who defined it as the ‘comprehensive science of the relationship of the organism to the environment’.

How many of the statements given above are correct?

  • A. Only one
  • B. Only two
  • C. All four
  • D. None
Q4.

Consider the following statements regarding the internal environment of organisms:

  1. Homeostasis refers to the ability of an organism to maintain a stable internal environment despite external fluctuations.
  2. Conformers allow their internal environment to vary with external changes, while regulators maintain a constant internal environment.
  3. Osmoregulation is a critical aspect of homeostasis, involving the regulation of water and solute balance within an organism.
  4. The internal environment of an organism includes only the extracellular fluid compartment.
  5. Thermoregulation is the maintenance of a constant body temperature, irrespective of external temperature changes.

Which of the above statements are correct?

  • A. 2 and 4 only
  • B. 1, 2 and 3 only
  • C. 2, 4 and 5 only
  • D. None of the above
Q5.

Consider the following statements about Urban Ecosystems:

  1. Urban ecosystems are dynamic environments that include both natural and built elements.
  2. They do not support any form of wildlife and are solely comprised of human-made structures.
  3. Urban ecosystems can help in mitigating the urban heat island effect through the implementation of green roofs and increased vegetation.
  4. The concept of urban ecosystems does not include human social interactions and economic activities.

Which of the statements given above are correct?

  • A. 1 and 3 only
  • B. 2 and 4 only
  • C. 1, 3, and 4 only
  • D. All of the above