Explanation

Individual counseling is a one-on-one process between the counselor and the student.

The goal is to address personal, academic, or social issues faced by the student directly.

Explanation

The S phase (Synthesis phase) of the cell cycle is when DNA replication and chromosome duplication occur.

It ensures each daughter cell receives a complete set of genetic material during cell division.

Explanation

The sentence describes two past actions; the earlier action ("he left") uses Past Perfect Tense → had left.

The second action ("I came") is in Simple Past.

Explanation

The word "malaria" comes from the Italian "mal" (bad) + "aria" (air), meaning "bad air."

It was once believed that malaria was caused by breathing unhealthy air from swamps.

Explanation

Cockroaches eat both plant and animal matter, making them omnivores.

They are scavengers that feed on a wide variety of organic material.

Explanation

3-Hexanone is a ketone, and on oxidative cleavage with KMnO₄/H₂SO₄, it splits at the carbonyl group.

The cleavage yields acetic acid (CH₃COOH) and butanoic acid (CH₃CH₂CH₂COOH).

Explanation

Explanation

Ethane thiol (R–SH) is more acidic than ethanol (R–OH) because the S–H bond is weaker and easier to ionize than the O–H bond.

Sulfur is larger and less electronegative, stabilizing the thiolate ion better than oxygen stabilizes the alkoxide.

Explanation

When you say so, I must take it seriously.

"Seriously" is the correct adverb form to modify the verb "take".

Explanation

Euphoria (likely meant Euphorbia) is mostly a xerophyte, adapted to dry conditions, not water.

Lotus, Victoria, and Hydrilla are all hydrophytes, adapted to live in or on water.