Explanation

Glucose is a small sugar molecule, a simple carbohydrate, not a macromolecule.

Proteins, sucrose (a disaccharide), and fatty acids are larger or complex molecules often considered macromolecules or part of them.

Explanation

A hypothesis is a proposed explanation or possible answer to a scientific problem.

Data are facts collected.

Conclusion is the final decision after analysis.

Explanation

A hypothesis is a tentative statement or prediction that can be tested through scientific investigation.

It must be subjected to experimentation or observation to determine its validity — it is not always proved but always tested.

Explanation

The address field contains letters, numbers, and symbols (e.g., "House #42, Street 8").

So, it must be stored as an alpha-numeric data type to handle such mixed content.

Explanation

The getche() function in C/C++ (from the <conio.h> library) performs two actions:

1. Reads a single character from the keyboard (immediately, without waiting for Enter).
2. Echoes (displays) the character on the screen.

Explanation

"Usually" describes how often he sleeps — it modifies the verb "sleeps", so it is an adverb of frequency.

"Sleeps" is a verb, and "day" is a noun.

Explanation

Drama technique can be time-consuming and may cause self-consciousness among students.

It is less suitable for large groups.

It can sometimes make students feel threatened.

Explanation

A leader is someone who inspires, guides, and influences others with their vision and actions.

Leadership qualities like motivation, communication, and decision-making are key traits of a leader.

Explanation

In Pakistan, a government servant becomes eligible for a pension after completing 25 years of qualifying service.

If a person retires before 25 years (except on medical grounds or death), they are usually not entitled to a pension.

Explanation

The prefix dis- means "not" or "opposite of".

So disused means no longer used.