Explanation

• Common salt is chemically known as sodium chloride (NaCl).
• It is an ionic compound composed of sodium and chloride ions
• Representing a 1:1 ratio of sodium and chloride ions
• Formula: NaCl
• Melting point: 801 °C
• Density: 2.16 g/cm³
• Boiling point: 1,465 °C

Question updated on 11-02-2026

Explanation

• Mycology is the branch of biology that studies fungi (fungus).
• It covers the structure, classification, growth, reproduction, and importance of fungi.
• Fungi include mushrooms, yeasts, and molds.

Additional information:

• Entomology → Insects
• Mineralogy → Minerals
• Acoustics → Sound

Last verified on 06-10-2026

Explanation

• Silviculture is the science and practice of establishing, growing, managing, and harvesting forest trees.
• It deals with the growth and development of forests.
• It aims to maintain healthy and productive forest resources.

Additional information:

• Forestry: Science and management of forests and forest resources.
• Agriculture: Cultivation of crops and rearing of animals.
• Arboriculture: Cultivation and management of individual trees and shrubs.

Last verified on 05-10-2026

Explanation

• Sericulture is the farming or rearing of silkworms for the production of silk.
• The most commonly cultivated silkworm is Bombyx mori.
• Silkworms feed mainly on mulberry leaves and produce silk fibers to form their cocoons.

Additional information:

• Apiculture: Rearing of honeybees for honey and other products.
• Agriculture: Cultivation of crops and raising of animals.
• Pisciculture: Farming or breeding of fish.

Last verified on 05-10-2026

Explanation

• Geology means the study of the Earth.
• It is also called Earth Science or Geoscience.
• Geology studies the formation, structure, composition, and history of Earth.
• It also examines the processes acting on Earth, such as earthquakes, volcanoes, and erosion.
• A person who studies geology is called a geologist.

Last verified on 15-09-2026