Free NSAA Biology Questions and Answers

Question 1

Which of the following is the primary structure of a protein?

Accepted Answer

The sequence of amino acids

Answer

The primary structure of a protein is the linear sequence of amino acids in its polypeptide chain.

Question 2

In which phase of the cell cycle does DNA replication occur?

Accepted Answer

S phase

Answer

DNA replication occurs during the S phase (synthesis phase) of the cell cycle.

Question 3

Which organelle is responsible for producing ATP through oxidative phosphorylation?

Accepted Answer

Mitochondrion

Answer

The mitochondrion is responsible for producing ATP through oxidative phosphorylation in the process of cellular respiration.

Question 4

What is the function of ribosomes in the cell?

Accepted Answer

Protein synthesis

Answer

Ribosomes are responsible for synthesizing proteins by translating messenger RNA.

Question 5

Which of the following best describes the process of osmosis?

Accepted Answer

Movement of water from an area of low solute concentration to high solute concentration

Answer

Osmosis is the movement of water molecules through a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.

NSAA - Natural Sciences Admissions Assessment Practice Test

NSAA - Natural Sciences Admissions Assessment Practice Test

Free NSAA Biology Questions and Answers