General Knowledge MCQs
Topic Notes: General Knowledge
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
4071
What is an 'Isotope'?
Answer:
An atom with the same number of protons but different number of neutrons
Isotopes are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number.
4072
What is 'Mitosis'?
Answer:
A type of cell division that results in two identical daughter cells
Mitosis is a part of the cell cycle when replicated chromosomes are separated into two new nuclei. It results in two genetically identical cells.
4073
What does 'pH' measure?
Answer:
The acidity or alkalinity of a solution
pH is a scale used to specify the acidity or basicity of an aqueous solution. Lower values are acidic, while higher values are basic (alkaline).
4074
What is 'Kinetic Energy'?
Answer:
Energy of motion
Kinetic energy is the energy that an object possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity.
4075
What does the term 'Photosynthesis' refer to?
Answer:
The process by which plants turn light energy into chemical energy
Photosynthesis is the process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organism's activities.
4076
What is the smallest unit of an element that retains its chemical properties?
Answer:
Atom
An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms.
4077
What does 'Topical' administration mean?
Answer:
Applied directly to a part of the body (usually skin)
Topical medication is medication that is applied to a particular place on or in the body, such as creams applied to the skin.
4078
What is an 'Antibiotic'?
Answer:
A medicine that inhibits the growth of or destroys microorganisms (bacteria)
Antibiotics are medicines that fight bacterial infections in people and animals.
4079
What does 'Renal' refer to?
Answer:
Kidneys
Renal relates to the kidneys. For example, Renal failure.
4080
What is a 'Carcinogen'?
Answer:
A cancer-causing substance
A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis, the formation of cancer.