NLN NEX (PRE-ADMISSION EXAM)
ADVANCED PREP BANK QUESTIONS
AND ANSWERS
1. During which phase of the cell cycle is DNA replicated?
A. G1 phase
B. S phase
C. G2 phase
D. M phase
Answer: B
Conceptual Explanation: DNA replication occurs during the Synthesis (S) phase of the cell
cycle to ensure each daughter cell receives a copy of the genome.
2. Which hormone is primarily responsible for the regulation of blood calcium levels by
stimulating osteoclasts?
A. Calcitonin
B. Parathyroid hormone (PTH)
C. Thyroxine
,D. Aldosterone
Answer: B
Conceptual Explanation: PTH is released when calcium levels are low, stimulating
osteoclasts to break down bone and release calcium into the blood.
3. What is the chemical formula for the compound formed between magnesium and
nitrogen?
A. MgN
B. Mg2N3
C. Mg3N2
D. MgN2
Answer: C
Conceptual Explanation: Magnesium has a +2 charge and nitrogen has a -3 charge;
crossing the charges gives Mg3N2.
4. In physics, what is the work done on an object when a force of 50 N moves it 10 meters in
the direction of the force?
A. 500 Joules
B. 60 Joules
C. 400 Joules
D. 5 Joules
, Answer: A
Conceptual Explanation: Work = Force x Distance. 50 N x 10 m = 500 Joules.
5. Solve for x in the equation: 3(x - 4) = 2x + 5.
A. x = 9
B. x = 1
C. x = 17
D. x = -7
Answer: C
Conceptual Explanation: 3x - 12 = 2x + 5; 3x - 2x = 5 + 12; x = 17.
6. Choose the best synonym for the word ‘Lethargic’.
A. Energetic
B. Sluggish
C. Pensive
D. Meticulous
Answer: B
Conceptual Explanation: Lethargic means lacking energy or being sluggish.
ADVANCED PREP BANK QUESTIONS
AND ANSWERS
1. During which phase of the cell cycle is DNA replicated?
A. G1 phase
B. S phase
C. G2 phase
D. M phase
Answer: B
Conceptual Explanation: DNA replication occurs during the Synthesis (S) phase of the cell
cycle to ensure each daughter cell receives a copy of the genome.
2. Which hormone is primarily responsible for the regulation of blood calcium levels by
stimulating osteoclasts?
A. Calcitonin
B. Parathyroid hormone (PTH)
C. Thyroxine
,D. Aldosterone
Answer: B
Conceptual Explanation: PTH is released when calcium levels are low, stimulating
osteoclasts to break down bone and release calcium into the blood.
3. What is the chemical formula for the compound formed between magnesium and
nitrogen?
A. MgN
B. Mg2N3
C. Mg3N2
D. MgN2
Answer: C
Conceptual Explanation: Magnesium has a +2 charge and nitrogen has a -3 charge;
crossing the charges gives Mg3N2.
4. In physics, what is the work done on an object when a force of 50 N moves it 10 meters in
the direction of the force?
A. 500 Joules
B. 60 Joules
C. 400 Joules
D. 5 Joules
, Answer: A
Conceptual Explanation: Work = Force x Distance. 50 N x 10 m = 500 Joules.
5. Solve for x in the equation: 3(x - 4) = 2x + 5.
A. x = 9
B. x = 1
C. x = 17
D. x = -7
Answer: C
Conceptual Explanation: 3x - 12 = 2x + 5; 3x - 2x = 5 + 12; x = 17.
6. Choose the best synonym for the word ‘Lethargic’.
A. Energetic
B. Sluggish
C. Pensive
D. Meticulous
Answer: B
Conceptual Explanation: Lethargic means lacking energy or being sluggish.
