Explanation

The Moon has no significant atmosphere — only a very thin exosphere made of trace gases like helium, neon, and hydrogen.

It lacks nitrogen and oxygen, so none of the given options are correct.

Explanation

Uranus and Neptune are termed Ice Giants because they contain large amounts of icy materials like water, ammonia, and methane.

In contrast, Jupiter and Saturn are known as Gas Giants.

Explanation

When the soap is in the form of micelles then it has the ability to clean the oily dirt which gets accumulated at the centre.

These micelles remain as colloidal solutions.

Therefore, the dirt from the cloth is easily washed away.

Explanation

The fovea is the central part of the retina responsible for sharp central vision.

It contains only cone cells, which detect color and fine details.

Explanation

When hot water is turned on, steam (water vapor) cools upon touching the cold glass surface.

This cooling turns vapor into tiny water droplets — a process called condensation.

Explanation

Animals that live in or on trees are called arboreal.

Examples include monkeys, squirrels, and koalas.

Explanation

• Vitamin D serves as a hormone precursor, as it is converted into a hormone in the body.
• Cholesterol also serves as a precursor of vitamin D and steroid hormones.

Explanation

Achenes are the small, dry, one-seeded fruits that cover the surface of a strawberry.

Each achene contains a single, tiny seed inside it.

Botanically, the red, fleshy part we eat is not the fruit, but a swollen part of the flower called the receptacle.

Explanation

The correct spelling is “Worcestershire.”

It refers to a county in England and a famous sauce; the missing “e” makes the given word incorrect.

Explanation

He is stronger than any other man living.

The word “other” is needed to compare one person with the rest of the group correctly.