Science GK Quiz for Competitive Exams

The BreatheLife campaign is calling on urban, regional and national governments to commit to achieving WHO air quality guidelines by 2030.

Ritu Beri, the iconic global fashion designer, represents the best of Indian and international fashion. Hence their creativity will foster synergy with world class handmade masterpieces of tribal craftsmen and artisans to create a mini India of Tribal Haute Couture.

Nylon, the first synthetic fiber in the "fully synthetic" sense of that term, was developed by Wallace Carothers, an American researcher at the chemical firm DuPont in the 1930s. It soon made its debut in the United States as a replacement for silk, just in time for the introduction of rationing during World War II.

The sperm cell is the smallest cell in the human body. The volume of these cells is quite tiny. The head of a sperm cell is roughly 4 micrometres long, about the same size as a red blood cell (RBCs). Egg cells are the biggest cells in the human body (ovum).

Potassium is the most common electrolyte in the human body. Hypokalemia is a disease caused by low levels of potassium. Potassium is a very important electrolyte required in the formation of adenosine triphosphate (ATP) and Na-K ATPase pump.

Apart from cow and buffalo, packed milk of various companies is also available in the market. Milk contains protein, calcium and riboflavin (vitamin B-2), apart from these it also contains vitamins A, D, K and E including phosphorus, magnesium, iodine and many minerals and fat and energy.

LPG is liquefied petroleum gas. They are the flammable mixtures of hydrocarbon gases used as fuel in home appliances and vehicles. They are also referred to as butane since butane is the main component of LPG.

The correct answer is Scorpions. The coelom is the fluid-filled cavity between the body wall and the gut wall. The coelom is lined by mesoderm.

Oxygen is present as 21% of the total volume of the atmosphere.

Chloroform, or trichloromethane (often abbreviated as TCM), is an organic compound with the formula CHCl ₃ and a common solvent. It is a very volatile, colorless, strong-smelling, dense liquid produced on a large scale as a precursor to refrigerants and in turn, PTFE.