Tag: science & technology

Steve Wozniak (Woz) is indeed one of the co-founders of Apple Computer, Inc., alongside Steve Jobs and Ronald Wayne. He was the technical genius who designed and built the Apple I and Apple II computers, making this statement true.

Bosons are named after Indian physicist Satyendra Nath Bose, who collaborated with Einstein to develop Bose-Einstein statistics. The term 'boson' honors his contribution to quantum physics. Mesons and protons are different particle types, while 'querons' is not a recognized particle class.

NPK represents the three essential macronutrients in fertilizers: Nitrogen (N) for leaf growth, Phosphorus (P) as phosphate for root development, and Potassium (K) for overall plant health and disease resistance. These nutrients are the primary components of most agricultural fertilizers.

The National Institute of Environmental Engineering (NEERI) is indeed located in Nagpur, Maharashtra. NEERI is a premier research institute under the Council of Scientific and Industrial Research (CSIR), focusing on environmental science and engineering research since its establishment.

Alexei Leonov was the first human to conduct a spacewalk on March 18, 1965, during the Voskhod 2 mission. He spent 12 minutes outside the spacecraft, proving humans could work in the vacuum of space. The name 'Leonov' in option D is the correct spelling.

Heavy water is D2O (deuterium oxide), where the hydrogen atoms are replaced by deuterium, a heavier isotope of hydrogen. Option A is correct.

Uranus was discovered by William Herschel in 1781. Option C (Herschel) is the correct answer.

Chlorophyll is the green pigment found in plants that is essential for photosynthesis. Option B is correct.

Insulin is produced and secreted by the beta cells of the pancreas. Option C is correct.