UPSC Daily PIB Quiz for 7ᵗʰ September 2026

1) With reference to piezoelectric materials, consider the following statements:

1. They can generate an electric charge when subjected to mechanical stress.
2. They can potentially be used for harvesting energy from movements such as walking or heartbeat.
3. Peptides can be used as biomaterial building blocks because of their ability to self-assemble.

Which of the statements given above are correct?

2) Microgels are increasingly being studied for biomedical and smart-material applications. Which one of the following best explains their usefulness in such applications?

3) With reference to thermoelectric materials, consider the following statements:

1. The Seebeck effect involves generation of an electric voltage due to a temperature difference.
2. Thermoelectric devices can be used for recovery of waste heat.
3. Thermoelectric conversion necessarily involves turbines or other moving mechanical parts.

Which of the statements given above are correct?

4) With reference to the Corporate Mitra initiative, which one of the following best describes its primary objective?

5) The decline of vulture populations in India highlights the importance of ecosystem-level conservation. Consider the following statements:

1. Vultures are specialised scavengers that play an important role in carcass removal and nutrient cycling.
2. The decline of vultures can always be compensated by other scavengers performing the same ecological functions.
3. Vulture conservation requires both addressing threats such as veterinary drug toxicity and strengthening populations through conservation breeding and reintroduction.

Which of the statements given above are correct?