1. World Environment Day is celebrated every year on 5 June.

2. Its objective is to make mankind aware of the environment.

3. First held in 1973, it has been a platform to raise awareness on environmental issues such as marine pollution, overpopulation, global warming, sustainable development and wildlife crime. World Environment Day is a global platform for public outreach, with participation from over 143 countries annually.

The Government of India Act, 1935 exercised the most profound influence in framing the Indian Constitution. The Constituent Assembly, which was tasked with drafting the Indian Constitution, drew extensively from various sources, including the Government of India Act, 1935, as it provided a framework for federalism, provincial autonomy, and other constitutional principles.

1. Pliny the Elder was a Roman natural philosopher.

2. The book written by the Roman writer Pliny the Elder is Natural History.

3. It is an encyclopedia covering all aspects of the natural world, including geography, zoology, botany, astronomy, agriculture, mathematics, pharmacology, mining, mineralogy, sculpture, art precious stones, etc.