Questions

Hina Jaiswal from Chandigarh has become the IAF’s first woman flight engineer.

A DNA is made up of four bases called Adenine, Thymine, Cytosine and Guanine.

The chief capacity of vitamin K is to help our blood clot so that we don't bleed too much.

Vitamin K is actually made up of two different types of vitamins, Vitamin K1 and Vitamin K2. They are both responsible for helping the blood to clot so that people do not bleed to death. Vitamin K1 can be consumed by eating leafy green vegetables, such as kale and spinach, as well as other vegetables, such as broccoli and collard greens. Meats, cheeses, and eggs can provide a great source of Vitamin K2.

Burning gasoline is the only process that involving in a chemical change in the given options. A chemical change is a change in the starting substances that are called reactants from the formed new substances that are called products. 

All atoms of an element have the same number of protons. The number of protons in an element is a primary identifier known as its atomic number. The number of electrons is the same as the number of protons.

Punch-card ballots voting method was discontinued as a result of the Help America Vote Act because of some issues in the counting process by the tabulating machines.