General Science Questions

The three main functions of Kidneys are ::

* Regulating and filtering minerals from blood.

* Maintaining overall fluid balance.

* Filtering waste materials from food, medications, and toxic substances.

Heat from the sun travels in the form of rays and are called as heat rays. This heat is called as radiation.

The sources of energy during exercise are muscle glycogen, blood sugar, blood fatty acids and intramuscuar triacylglycerols.

The Indian Navy operates three operational Commands. They are

1. Western Naval Command - Mumbai

2. Eastern Naval Command  - Vishakhapatnam

3. Southern Naval Command - Kochi

In psychology, a projective test is an identity test intended to give an individual a chance to react to ambiguous stimuli, probably revealing hidden feelings and internal conflicts anticipated by the individual into the test.

Some examples of the projective test are ::

* Rorschach's ink blot test 

* Thematic apperception test

* Sentence completion test

The term ageism refers to judging people on the basis of chronological age. It is a discrimination against individuals or groups on the basis of their age.

A chemical reaction in which involves the absorption of heat from the environment is called a Endothermic reaction. 

Examples : Dissolving ammonium chloride in water, photosynthesis, melting ice cubes, mixing of potassium chloride with water,...

In the contrast, chemical reactions involving release of heat are known as exothermic reactions.

Examples : Combustion, coal is burnt, mix of CaO with water,...

A microscope is an instrument that magnifies objects. Cells that were first observed by Robert Hooke in the year 1665 in the compound microscope.