General Science Questions

The glycemic index or glycaemic index is a number associated with the carbohydrates in a particular type of food that indicates the effect of these carbohydrates on a person's blood glucose (also called blood sugar) level. A value of 100 represents the standard, an equivalent amount of pure glucose.

The GI represents the rise in a person's blood sugar level two hours after consumption of the food.

An orthodontist is the type of doctor that specializes in teeth and jaw alignment. When the teeth don't align properly, it can cause uneven wear in the teeth.

The jaw is a hinge joint. Strong muscles in the face open and close the jaw. Teeth are implanted in the jaw and serve to rip, tear and crush food in preparation for swallowing it.

The place where the river meets the sea or ocean is called as Estuary.

Venus planet is known as the Morning Star or the Evening Star.

In biology, Homology is defined as any characteristic of biological organisms that is derived from a common ancestor. 

Hence, Homology is evidence of Common ancestry.

Proxima Centauri is the nearest star to the Earth.

Here all the options given are important functions of Earth's atmosphere.