MNS with Answers | Military Brat Defence Academy

Q: Which part of the nephron is normally impermeable to water but actively transports NaCl in its thick segment?

Correct Answer: C. Ascending limb of Henle. The ascending limb, especially the thick segment, reabsorbs salts and is effectively impermeable to water.

Q: In a monohybrid cross Aa × Aa, the expected phenotypic ratio under complete dominance is:

Correct Answer: B. 3:1. Aa × Aa gives genotypes 1 AA : 2 Aa : 1 aa and phenotype 3 dominant : 1 recessive.

Q: Which immunoglobulin can cross the human placenta most effectively?

Correct Answer: C. IgG. IgG is the principal immunoglobulin class that crosses the placenta.

Q: During the light reaction of photosynthesis, photolysis of water directly produces:

Correct Answer: B. O2, protons and electrons. Photolysis splits water into oxygen, hydrogen ions and electrons.

Q: If SOUTH is written as TPVUI by shifting every letter one step forward, how is NORTH written?

Correct Answer: A. OPSUI. N→O, O→P, R→S, T→U, H→I, giving OPSUI.

Q: Find the next number: 2, 4, 8, 16, __.

Correct Answer: D. 32. Each term is multiplied by 2, so the next term is 32.

Q: Fill in the blank: She ___ to the library every Sunday.

Correct Answer: B. goes. With third-person singular subject 'she' in simple present, 'goes' is correct.

Q: Choose the correct synonym of 'vital'.

Correct Answer: B. Essential. 'Vital' commonly means essential or extremely important.

Q: Choose the correctly spelled word.

Correct Answer: B. Accommodation. The correct spelling is 'accommodation'.

QID #25378 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

The Bohr effect refers to:

Correct Answer: B. Decrease in oxygen affinity of haemoglobin when CO2/H+ increases
Increased CO2 and H+ lower haemoglobin's oxygen affinity, facilitating oxygen unloading in tissues.

Question: The Bohr effect refers to:

A. Increase in oxygen affinity of haemoglobin at low pH

B. Decrease in oxygen affinity of haemoglobin when CO2/H+ increases

C. Conversion of oxyhaemoglobin into carboxyhaemoglobin

D. Binding of oxygen to myoglobin only

Correct Answer: B. Decrease in oxygen affinity of haemoglobin when CO2/H+ increasesExplanation: Increased CO2 and H+ lower haemoglobin's oxygen affinity, facilitating oxygen unloading in tissues.

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QID #25377 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

Which part of the nephron is normally impermeable to water but actively transports NaCl in its thick segment?

Correct Answer: C. Ascending limb of Henle
The ascending limb, especially the thick segment, reabsorbs salts and is effectively impermeable to water.

Question: Which part of the nephron is normally impermeable to water but actively transports NaCl in its thick segment?

A. Proximal convoluted tubule

B. Descending limb of Henle

C. Ascending limb of Henle

D. Collecting duct under ADH

Correct Answer: C. Ascending limb of HenleExplanation: The ascending limb, especially the thick segment, reabsorbs salts and is effectively impermeable to water.

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QID #25376 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

In a monohybrid cross Aa × Aa, the expected phenotypic ratio under complete dominance is:

Correct Answer: B. 3:1
Aa × Aa gives genotypes 1 AA : 2 Aa : 1 aa and phenotype 3 dominant : 1 recessive.

Question: In a monohybrid cross Aa × Aa, the expected phenotypic ratio under complete dominance is:

A. 1:1

B. 3:1

C. 1:2:1

D. 9:3:3:1

Correct Answer: B. 3:1Explanation: Aa × Aa gives genotypes 1 AA : 2 Aa : 1 aa and phenotype 3 dominant : 1 recessive.

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QID #25375 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

Which immunoglobulin can cross the human placenta most effectively?

Correct Answer: C. IgG
IgG is the principal immunoglobulin class that crosses the placenta.

Question: Which immunoglobulin can cross the human placenta most effectively?

A. IgA

B. IgE

C. IgG

D. IgM

Correct Answer: C. IgGExplanation: IgG is the principal immunoglobulin class that crosses the placenta.

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QID #25374 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

During the light reaction of photosynthesis, photolysis of water directly produces:

Correct Answer: B. O2, protons and electrons
Photolysis splits water into oxygen, hydrogen ions and electrons.

Question: During the light reaction of photosynthesis, photolysis of water directly produces:

A. CO2, ATP and glucose

B. O2, protons and electrons

C. NADPH, glucose and O2

D. Only ATP and O2

Correct Answer: B. O2, protons and electronsExplanation: Photolysis splits water into oxygen, hydrogen ions and electrons.

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QID #25373 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

If SOUTH is written as TPVUI by shifting every letter one step forward, how is NORTH written?

Correct Answer: A. OPSUI
N→O, O→P, R→S, T→U, H→I, giving OPSUI.

Question: If SOUTH is written as TPVUI by shifting every letter one step forward, how is NORTH written?

A. OPSUI

B. OPSVI

C. OQSVI

D. OPSWH

Correct Answer: A. OPSUIExplanation: N→O, O→P, R→S, T→U, H→I, giving OPSUI.

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QID #25372 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

Find the next number: 2, 4, 8, 16, __.

Correct Answer: D. 32
Each term is multiplied by 2, so the next term is 32.

Question: Find the next number: 2, 4, 8, 16, __.

A. 20

B. 24

C. 30

D. 32

Correct Answer: D. 32Explanation: Each term is multiplied by 2, so the next term is 32.

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QID #25371 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

Fill in the blank: She ___ to the library every Sunday.

Correct Answer: B. goes
With third-person singular subject 'she' in simple present, 'goes' is correct.

Question: Fill in the blank: She ___ to the library every Sunday.

A. go

B. goes

C. going

D. gone

Correct Answer: B. goesExplanation: With third-person singular subject 'she' in simple present, 'goes' is correct.

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QID #25370 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

Choose the correct synonym of 'vital'.

Correct Answer: B. Essential
'Vital' commonly means essential or extremely important.

Question: Choose the correct synonym of 'vital'.

A. Trivial

B. Essential

C. Optional

D. Rare

Correct Answer: B. EssentialExplanation: 'Vital' commonly means essential or extremely important.

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QID #25369 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

Choose the correctly spelled word.

Correct Answer: B. Accommodation
The correct spelling is 'accommodation'.

Question: Choose the correctly spelled word.

A. Accomodation

B. Accommodation

C. Acommodation

D. Accommmodation

Correct Answer: B. AccommodationExplanation: The correct spelling is 'accommodation'.

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QID #25368 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

Work done is zero when force and displacement are:

Correct Answer: B. Perpendicular to each other
W = Fs cos theta; at 90 degrees, cos theta is zero.

Question: Work done is zero when force and displacement are:

A. In the same direction

B. Perpendicular to each other

C. Opposite to each other

D. At 45 degrees

Correct Answer: B. Perpendicular to each otherExplanation: W = Fs cos theta; at 90 degrees, cos theta is zero.

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QID #25367 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

Which mirror is commonly used as a rear-view mirror in vehicles?

Correct Answer: C. Convex mirror
A convex mirror provides a wide field of view and forms erect diminished images.

Question: Which mirror is commonly used as a rear-view mirror in vehicles?

A. Plane mirror

B. Concave mirror

C. Convex mirror

D. Parabolic mirror

Correct Answer: C. Convex mirrorExplanation: A convex mirror provides a wide field of view and forms erect diminished images.

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QID #25366 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

The SI unit of electric current is:

Correct Answer: C. Ampere
The ampere is the SI base unit of electric current.

Question: The SI unit of electric current is:

A. Volt

B. Ohm

C. Ampere

D. Coulomb

Correct Answer: C. AmpereExplanation: The ampere is the SI base unit of electric current.

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QID #25365 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

Which gas is evolved when a dilute acid reacts with an active metal such as zinc?

Correct Answer: B. Hydrogen
Acid-metal reactions commonly release hydrogen gas.

Question: Which gas is evolved when a dilute acid reacts with an active metal such as zinc?

A. Oxygen

B. Hydrogen

C. Nitrogen

D. Chlorine

Correct Answer: B. HydrogenExplanation: Acid-metal reactions commonly release hydrogen gas.

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QID #25364 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

A solution with pH 3 is:

Correct Answer: C. Acidic
A pH below 7 indicates an acidic solution.

Question: A solution with pH 3 is:

A. Basic

B. Neutral

C. Acidic

D. Always a buffer

Correct Answer: C. AcidicExplanation: A pH below 7 indicates an acidic solution.

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QID #25363 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

The atomic number of an element is equal to the number of:

Correct Answer: B. Protons
Atomic number is defined by the number of protons in the nucleus.

Question: The atomic number of an element is equal to the number of:

A. Neutrons only

B. Protons

C. Nucleons

D. Protons plus neutrons

Correct Answer: B. ProtonsExplanation: Atomic number is defined by the number of protons in the nucleus.

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QID #25362 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

Insulin is secreted by which cells of the pancreas?

Correct Answer: B. Beta cells
Beta cells of the islets of Langerhans secrete insulin.

Question: Insulin is secreted by which cells of the pancreas?

A. Alpha cells

B. Beta cells

C. Delta cells

D. Acinar cells

Correct Answer: B. Beta cellsExplanation: Beta cells of the islets of Langerhans secrete insulin.

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QID #25361 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

Which blood cells are primarily responsible for oxygen transport?

Correct Answer: B. Red blood cells
Red blood cells contain haemoglobin, which transports oxygen.

Question: Which blood cells are primarily responsible for oxygen transport?

A. Platelets

B. Red blood cells

C. Neutrophils

D. Lymphocytes

Correct Answer: B. Red blood cellsExplanation: Red blood cells contain haemoglobin, which transports oxygen.

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QID #25360 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

The functional unit of the kidney is:

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

Question: The functional unit of the kidney is:

A. Neuron

B. Nephron

C. Alveolus

D. Villus

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

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QID #25359 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Easy

Which organelle is known as the powerhouse of the cell?

Correct Answer: B. Mitochondrion
Mitochondria generate most cellular ATP through aerobic respiration.

Question: Which organelle is known as the powerhouse of the cell?

A. Ribosome

B. Mitochondrion

C. Golgi apparatus

D. Lysosome

Correct Answer: B. MitochondrionExplanation: Mitochondria generate most cellular ATP through aerobic respiration.

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MNS with Answers | Military Brat Defence Academy

The Bohr effect refers to:

Which part of the nephron is normally impermeable to water but actively transports NaCl in its thick segment?

In a monohybrid cross Aa × Aa, the expected phenotypic ratio under complete dominance is:

Which immunoglobulin can cross the human placenta most effectively?

During the light reaction of photosynthesis, photolysis of water directly produces:

If SOUTH is written as TPVUI by shifting every letter one step forward, how is NORTH written?

Find the next number: 2, 4, 8, 16, __.

Fill in the blank: She ___ to the library every Sunday.

Choose the correct synonym of 'vital'.

Choose the correctly spelled word.

Work done is zero when force and displacement are:

Which mirror is commonly used as a rear-view mirror in vehicles?

The SI unit of electric current is:

Which gas is evolved when a dilute acid reacts with an active metal such as zinc?

A solution with pH 3 is:

The atomic number of an element is equal to the number of:

Insulin is secreted by which cells of the pancreas?

Which blood cells are primarily responsible for oxygen transport?

The functional unit of the kidney is:

Which organelle is known as the powerhouse of the cell?

Free MCQs with Answers and Explanations