Free MCQ Practice Library

Free MCQs with Answers | Military Brat Defence Academy

Q: Bile is produced by the:

Correct Answer: B. Liver. Bile is produced by the liver and stored in the gallbladder.

Q: Hemoglobin is present in:

Correct Answer: B. RBC. Hemoglobin is present in red blood cells.

Q: The basic structural unit of the nervous system is:

Correct Answer: B. Neuron. The neuron is the basic unit of the nervous system.

Q: The longest bone in the human body is:

Correct Answer: B. Femur. The femur is the longest bone in the human body.

Q: Which valve is between the left atrium and left ventricle?

Correct Answer: B. Mitral valve. The mitral valve lies between the left atrium and left ventricle.

Q: The normal pH of human blood is about:

Correct Answer: C. 7.4. Normal blood pH is around 7.35 to 7.45.

Q: Insulin is secreted by:

Correct Answer: B. Pancreas. Insulin is secreted by beta cells of the pancreas.

Q: Exchange of gases takes place in the:

Correct Answer: C. Alveoli. Gas exchange occurs in the alveoli.

Q: The bone of the upper arm is called:

Correct Answer: B. Humerus. The humerus is the bone of the upper arm.

Q: Normal adult respiratory rate is approximately:

Correct Answer: B. 12-20/min. Normal adult respiratory rate is about 12 to 20 breaths per minute.

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QID #11668 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

Bile is produced by the:

Correct Answer: B. Liver
Bile is produced by the liver and stored in the gallbladder.

Question: Bile is produced by the:

A. Gallbladder

B. Liver

C. Pancreas

D. Stomach

Correct Answer: B. LiverExplanation: Bile is produced by the liver and stored in the gallbladder.

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QID #11667 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

Hemoglobin is present in:

Correct Answer: B. RBC
Hemoglobin is present in red blood cells.

Question: Hemoglobin is present in:

A. Plasma

B. RBC

C. WBC

D. Platelets

Correct Answer: B. RBCExplanation: Hemoglobin is present in red blood cells.

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QID #11666 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

The basic structural unit of the nervous system is:

Correct Answer: B. Neuron
The neuron is the basic unit of the nervous system.

Question: The basic structural unit of the nervous system is:

A. Nephron

B. Neuron

C. Osteon

D. Sarcomere

Correct Answer: B. NeuronExplanation: The neuron is the basic unit of the nervous system.

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QID #11665 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

The longest bone in the human body is:

Correct Answer: B. Femur
The femur is the longest bone in the human body.

Question: The longest bone in the human body is:

A. Humerus

B. Femur

C. Tibia

D. Fibula

Correct Answer: B. FemurExplanation: The femur is the longest bone in the human body.

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QID #11664 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

Which valve is between the left atrium and left ventricle?

Correct Answer: B. Mitral valve
The mitral valve lies between the left atrium and left ventricle.

Question: Which valve is between the left atrium and left ventricle?

A. Tricuspid valve

B. Mitral valve

C. Pulmonary valve

D. Aortic valve

Correct Answer: B. Mitral valveExplanation: The mitral valve lies between the left atrium and left ventricle.

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QID #11663 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

The normal pH of human blood is about:

Correct Answer: C. 7.4
Normal blood pH is around 7.35 to 7.45.

Question: The normal pH of human blood is about:

A. 6.8

B. 7.0

C. 7.4

D. 8.2

Correct Answer: C. 7.4Explanation: Normal blood pH is around 7.35 to 7.45.

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QID #11662 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

Insulin is secreted by:

Correct Answer: B. Pancreas
Insulin is secreted by beta cells of the pancreas.

Question: Insulin is secreted by:

A. Liver

B. Pancreas

C. Kidney

D. Spleen

Correct Answer: B. PancreasExplanation: Insulin is secreted by beta cells of the pancreas.

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QID #11661 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

Exchange of gases takes place in the:

Correct Answer: C. Alveoli
Gas exchange occurs in the alveoli.

Question: Exchange of gases takes place in the:

A. Bronchi

B. Trachea

C. Alveoli

D. Pharynx

Correct Answer: C. AlveoliExplanation: Gas exchange occurs in the alveoli.

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QID #11660 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

The bone of the upper arm is called:

Correct Answer: B. Humerus
The humerus is the bone of the upper arm.

Question: The bone of the upper arm is called:

A. Femur

B. Humerus

C. Radius

D. Tibia

Correct Answer: B. HumerusExplanation: The humerus is the bone of the upper arm.

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QID #11659 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

Normal adult respiratory rate is approximately:

Correct Answer: B. 12-20/min
Normal adult respiratory rate is about 12 to 20 breaths per minute.

Question: Normal adult respiratory rate is approximately:

A. 4-6/min

B. 12-20/min

C. 30-40/min

D. 50-60/min

Correct Answer: B. 12-20/minExplanation: Normal adult respiratory rate is about 12 to 20 breaths per minute.

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QID #11658 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

Which part of the brain controls balance and coordination?

Correct Answer: B. Cerebellum
The cerebellum controls balance and coordination.

Question: Which part of the brain controls balance and coordination?

A. Cerebrum

B. Cerebellum

C. Medulla

D. Pons

Correct Answer: B. CerebellumExplanation: The cerebellum controls balance and coordination.

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QID #11657 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

The largest organ of the human body is:

Correct Answer: B. Skin
Skin is the largest organ of the body.

Question: The largest organ of the human body is:

A. Liver

B. Skin

C. Lung

D. Heart

Correct Answer: B. SkinExplanation: Skin is the largest organ of the body.

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QID #11656 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

Which blood cells help in clotting?

Correct Answer: C. Platelets
Platelets play a major role in blood clotting.

Question: Which blood cells help in clotting?

A. RBC

B. WBC

C. Platelets

D. Plasma

Correct Answer: C. PlateletsExplanation: Platelets play a major role in blood clotting.

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QID #11655 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

The normal adult heart has how many chambers?

Correct Answer: C. Four
The human heart has four chambers.

Question: The normal adult heart has how many chambers?

A. Two

B. Three

C. Four

D. Five

Correct Answer: C. FourExplanation: The human heart has four chambers.

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QID #11654 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

The functional unit of the kidney is:

Correct Answer: B. Nephron
The nephron is the functional unit of the kidney.

Question: The functional unit of the kidney is:

A. Neuron

B. Nephron

C. Alveolus

D. Osteon

Correct Answer: B. NephronExplanation: The nephron is the functional unit of the kidney.

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QID #11653 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

If 9 workers finish a work in 12 days, how many worker-days are required?

Correct Answer: C. 108
Worker-days = 9 × 12 = 108.

Question: If 9 workers finish a work in 12 days, how many worker-days are required?

A. 72

B. 96

C. 108

D. 120

Correct Answer: C. 108Explanation: Worker-days = 9 × 12 = 108.

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QID #11652 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

Which state has the longest international border with Bangladesh?

Correct Answer: C. West Bengal
West Bengal shares the longest Indian state border with Bangladesh.

Question: Which state has the longest international border with Bangladesh?

A. Assam

B. Meghalaya

C. West Bengal

D. Tripura

Correct Answer: C. West BengalExplanation: West Bengal shares the longest Indian state border with Bangladesh.

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QID #11651 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

The value of 12.5% of 800 is:

Correct Answer: C. 100
12.5% is one-eighth; 800/8 = 100.

Question: The value of 12.5% of 800 is:

A. 80

B. 90

C. 100

D. 120

Correct Answer: C. 100Explanation: 12.5% is one-eighth; 800/8 = 100.

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QID #11650 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

Which gas is essential for respiration?

Correct Answer: B. Oxygen
Oxygen is essential for cellular respiration.

Question: Which gas is essential for respiration?

A. Nitrogen

B. Oxygen

C. Carbon dioxide

D. Hydrogen

Correct Answer: B. OxygenExplanation: Oxygen is essential for cellular respiration.

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QID #11649 BSF SI Nursing Officer Mock Test Series & PYQs BSF SI Nursing Officer Full Mock Test 1 Easy

The Indian Parliament consists of:

Correct Answer: C. President, Lok Sabha and Rajya Sabha
Parliament consists of the President, Lok Sabha and Rajya Sabha.

Question: The Indian Parliament consists of:

A. Lok Sabha only

B. Rajya Sabha only

C. President, Lok Sabha and Rajya Sabha

D. Supreme Court and Lok Sabha

Correct Answer: C. President, Lok Sabha and Rajya SabhaExplanation: Parliament consists of the President, Lok Sabha and Rajya Sabha.

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Free MCQs with Answers and Explanations

This MCQ library is created for MNS, Nursing Officer, English, GK, MBA and competitive exam students. Every question has option-wise content, instant checking, a dedicated SEO view page and social share support.

Free MCQs with Answers | Military Brat Defence Academy

Bile is produced by the:

Hemoglobin is present in:

The basic structural unit of the nervous system is:

The longest bone in the human body is:

Which valve is between the left atrium and left ventricle?

The normal pH of human blood is about:

Insulin is secreted by:

Exchange of gases takes place in the:

The bone of the upper arm is called:

Normal adult respiratory rate is approximately:

Which part of the brain controls balance and coordination?

The largest organ of the human body is:

Which blood cells help in clotting?

The normal adult heart has how many chambers?

The functional unit of the kidney is:

If 9 workers finish a work in 12 days, how many worker-days are required?

Which state has the longest international border with Bangladesh?

The value of 12.5% of 800 is:

Which gas is essential for respiration?

The Indian Parliament consists of:

Free MCQs with Answers and Explanations

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