Explanation

Sunlight is composed of a spectrum of light 

A spectrum revealed by Isaac Newton using a prism

That includes seven colors, which are (ROYGBIV)

1. Red
2. Orange
3. Yellow
4. Green
5. Blue
6. Indigo
7. Violet

Explanation

• Minor objects with irregular shapes orbiting the Sun are called asteroids,
• It is also known as a minor planet
• They are found mainly in the asteroid belt between Mars and Jupiter.

Explanation

Explanation

The study of the universe's origin, nature, and evolution is called Cosmology

Edwin Powell Hubble is called the father of Cosmology.

The term cosmology was first used in English in 1656 in Thomas Blount's Glossographia, with the meaning of "a speaking of the world"

Explanation

Etymology is the study of the origin of words.

At its most basic level, etymology is the study of a word's history

Explanation

• Scientist: Gregor Johann Mendel (1822–1884)
• Experiments: Pea plants (Pisum sativum)
• Law Stated: Alleles of different genes assort independently of each other
• Published Year: 1866
• Mendel is known as the: “Father of Genetics”

Other Mendel Laws:

• Law of Segregation
• Law of Dominance

Last verified on 18-01-2026

Explanation

• Nitrous oxide, commonly known as laughing gas.
• It is a colorless, non-flammable gas used in medicine.
• Nitrous oxide (N₂O) causes temporary laughing and relaxation.

Additional information:

• Nitrous oxide was discovered by Joseph Priestley in 1772.

Last verified on 18-01-2026

Explanation

• Vitamin D helps in absorption of calcium and phosphorus from the intestine.
• Its deficiency leads to softening of bones, called osteomalacia in adults (rickets in children).

Additional information:

• Vitamin D is also known as the “Sunshine Vitamin”.
• Because it is synthesized in the skin by sunlight.

Last verified on 18-01-2026

Explanation

• Egg yolk is a nutritious food rich in fats, proteins, and fat-soluble vitamins.
• It is especially known as a good dietary source of Vitamin D (Calciferol).

Additional information:

• Egg yolk also contains Vitamin A, E, and healthy fats.
• Vitamin D deficiency can cause rickets and weak bones.

Last verified on 18-01-2026

Explanation

Astronomy is the science that deals with stars, planets, moons, and all objects beyond Earth’s atmosphere.

It helps in understanding the origin, evolution, and structure of the universe.