Free MCQs with Answers | Military Brat Defence Academy

Q: Five persons P, Q, R, S and T sit in a row facing north. Q sits immediately right of P. R sits immediately left of S. T sits at one end. P is not at an end. If S sits at the other end, who sits in the middle?

Correct Answer: B. Q. With T and S at opposite ends and R immediately left of S, the remaining consecutive pair P-Q occupies the other two available seats; Q is in the middle.

Q: Choose the sentence in which the underlined idea is expressed most precisely: 'Hardly had the bell rung ___ the candidates entered the hall.'

Correct Answer: B. when. The standard correlative construction is 'Hardly had ... when ...'.

Q: A particle starts from rest with constant acceleration. If it covers distance S in the first 4 s, the distance covered in the next 4 s is:

Correct Answer: C. 3S. From rest, displacement is proportional to t². Distance in 0–4 s is 16k; in 4–8 s it is 64k−16k=48k=3S.

Q: For the galvanic cell Zn|Zn2+ || Cu2+|Cu, given E°(Cu2+/Cu)=+0.34 V and E°(Zn2+/Zn)=−0.76 V, the standard cell potential is:

Correct Answer: D. +1.10 V. E°cell = E°cathode − E°anode = 0.34 − (−0.76) = +1.10 V.

Q: A woman who is a carrier for an X-linked recessive disorder marries an unaffected man. What is the probability that a randomly born child will be an affected son?

Correct Answer: B. 1/4. Half of children are expected to be sons, and half of sons inherit the affected X from the carrier mother: 1/2 × 1/2 = 1/4.

Q: A is the sister of B. B is the son of C. C is married to D. How is A related to D?

Correct Answer: B. Daughter. Since B is C's son and A is B's sister, A is also C's child; D is C's spouse, so A is D's daughter.

Q: In a certain code, NURSE is written as 142118195 using alphabetical positions concatenated. How is CARE written?

Correct Answer: B. 3185. C=3, A=1, R=18, E=5, therefore 3185.

Q: Choose the word that best completes the sentence: The officer's instructions were so ___ that no one misunderstood them.

Correct Answer: B. lucid. 'Lucid' means clear and easy to understand.

QID #25398 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Hard

Five persons P, Q, R, S and T sit in a row facing north. Q sits immediately right of P. R sits immediately left of S. T sits at one end. P is not at an end. If S sits at the other end, who sits in the middle?

Correct Answer: B. Q
With T and S at opposite ends and R immediately left of S, the remaining consecutive pair P-Q occupies the other two available seats; Q is in the middle.

Question: Five persons P, Q, R, S and T sit in a row facing north. Q sits immediately right of P. R sits immediately left of S. T sits at one end. P is not at an end. If S sits at the other end, who sits in the middle?

A. P

B. Q

C. R

D. T

Correct Answer: B. QExplanation: With T and S at opposite ends and R immediately left of S, the remaining consecutive pair P-Q occupies the other two available seats; Q is in the middle.

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QID #25397 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Hard

Choose the sentence in which the underlined idea is expressed most precisely: 'Hardly had the bell rung ___ the candidates entered the hall.'

Correct Answer: B. when
The standard correlative construction is 'Hardly had ... when ...'.

Question: Choose the sentence in which the underlined idea is expressed most precisely: 'Hardly had the bell rung ___ the candidates entered the hall.'

A. than

B. when

C. then

D. that

Correct Answer: B. whenExplanation: The standard correlative construction is 'Hardly had ... when ...'.

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QID #25396 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Hard

A particle starts from rest with constant acceleration. If it covers distance S in the first 4 s, the distance covered in the next 4 s is:

Correct Answer: C. 3S
From rest, displacement is proportional to t². Distance in 0–4 s is 16k; in 4–8 s it is 64k−16k=48k=3S.

Question: A particle starts from rest with constant acceleration. If it covers distance S in the first 4 s, the distance covered in the next 4 s is:

A. S

B. 2S

C. 3S

D. 4S

Correct Answer: C. 3SExplanation: From rest, displacement is proportional to t². Distance in 0–4 s is 16k; in 4–8 s it is 64k−16k=48k=3S.

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QID #25395 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Hard

For the galvanic cell Zn|Zn2+ || Cu2+|Cu, given E°(Cu2+/Cu)=+0.34 V and E°(Zn2+/Zn)=−0.76 V, the standard cell potential is:

Correct Answer: D. +1.10 V
E°cell = E°cathode − E°anode = 0.34 − (−0.76) = +1.10 V.

Question: For the galvanic cell Zn|Zn2+ || Cu2+|Cu, given E°(Cu2+/Cu)=+0.34 V and E°(Zn2+/Zn)=−0.76 V, the standard cell potential is:

A. −1.10 V

B. −0.42 V

C. +0.42 V

D. +1.10 V

Correct Answer: D. +1.10 VExplanation: E°cell = E°cathode − E°anode = 0.34 − (−0.76) = +1.10 V.

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QID #25394 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Hard

A woman who is a carrier for an X-linked recessive disorder marries an unaffected man. What is the probability that a randomly born child will be an affected son?

Correct Answer: B. 1/4
Half of children are expected to be sons, and half of sons inherit the affected X from the carrier mother: 1/2 × 1/2 = 1/4.

Question: A woman who is a carrier for an X-linked recessive disorder marries an unaffected man. What is the probability that a randomly born child will be an affected son?

A. 1/2

B. 1/4

C. 1/8

D. 3/4

Correct Answer: B. 1/4Explanation: Half of children are expected to be sons, and half of sons inherit the affected X from the carrier mother: 1/2 × 1/2 = 1/4.

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QID #25393 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

A is the sister of B. B is the son of C. C is married to D. How is A related to D?

Correct Answer: B. Daughter
Since B is C's son and A is B's sister, A is also C's child; D is C's spouse, so A is D's daughter.

Question: A is the sister of B. B is the son of C. C is married to D. How is A related to D?

A. Mother

B. Daughter

C. Sister

D. Aunt

Correct Answer: B. DaughterExplanation: Since B is C's son and A is B's sister, A is also C's child; D is C's spouse, so A is D's daughter.

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QID #25392 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

In a certain code, NURSE is written as 142118195 using alphabetical positions concatenated. How is CARE written?

Correct Answer: B. 3185
C=3, A=1, R=18, E=5, therefore 3185.

Question: In a certain code, NURSE is written as 142118195 using alphabetical positions concatenated. How is CARE written?

A. 31185

B. 3185

C. 32185

D. 31815

Correct Answer: B. 3185Explanation: C=3, A=1, R=18, E=5, therefore 3185.

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QID #25391 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

Choose the word that best completes the sentence: The officer's instructions were so ___ that no one misunderstood them.

Correct Answer: B. lucid
'Lucid' means clear and easy to understand.

Question: Choose the word that best completes the sentence: The officer's instructions were so ___ that no one misunderstood them.

A. ambiguous

B. lucid

C. obscure

D. vague

Correct Answer: B. lucidExplanation: 'Lucid' means clear and easy to understand.

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QID #25390 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

Choose the correct passive form: 'The nurse administered the medicine.'

Correct Answer: A. The medicine was administered by the nurse.
Simple past active changes to 'was/were + past participle' in passive voice.

Question: Choose the correct passive form: 'The nurse administered the medicine.'

A. The medicine was administered by the nurse.

B. The medicine is administered by the nurse.

C. The medicine had administered by the nurse.

D. The nurse was administered the medicine.

Correct Answer: A. The medicine was administered by the nurse.Explanation: Simple past active changes to 'was/were + past participle' in passive voice.

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QID #25389 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

Choose the grammatically correct sentence.

Correct Answer: B. Neither of the girls has submitted her form.
In formal singular agreement, 'neither' takes 'has'; option B is grammatically correct.

Question: Choose the grammatically correct sentence.

A. Neither of the girls have submitted their form.

B. Neither of the girls has submitted her form.

C. Neither of the girls have submitted her form.

D. Neither of girls has submit her form.

Correct Answer: B. Neither of the girls has submitted her form.Explanation: In formal singular agreement, 'neither' takes 'has'; option B is grammatically correct.

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QID #25388 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

A wave has frequency 50 Hz and wavelength 4 m. Its speed is:

Correct Answer: D. 200 m/s
Wave speed v = fλ = 50 × 4 = 200 m/s.

Question: A wave has frequency 50 Hz and wavelength 4 m. Its speed is:

A. 12.5 m/s

B. 46 m/s

C. 54 m/s

D. 200 m/s

Correct Answer: D. 200 m/sExplanation: Wave speed v = fλ = 50 × 4 = 200 m/s.

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QID #25387 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

An object is placed between F and 2F of a convex lens. The image formed is generally:

Correct Answer: B. Real, inverted and magnified beyond 2F
For an object between F and 2F, a convex lens forms a real, inverted, magnified image beyond 2F.

Question: An object is placed between F and 2F of a convex lens. The image formed is generally:

A. Virtual, erect and magnified

B. Real, inverted and magnified beyond 2F

C. Real, inverted and diminished between F and 2F

D. At infinity only

Correct Answer: B. Real, inverted and magnified beyond 2FExplanation: For an object between F and 2F, a convex lens forms a real, inverted, magnified image beyond 2F.

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QID #25386 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

Two resistors of 6 ohm and 3 ohm are connected in parallel. Their equivalent resistance is:

Correct Answer: B. 2 ohm
1/R = 1/6 + 1/3 = 1/2, hence R = 2 ohm.

Question: Two resistors of 6 ohm and 3 ohm are connected in parallel. Their equivalent resistance is:

A. 1 ohm

B. 2 ohm

C. 3 ohm

D. 9 ohm

Correct Answer: B. 2 ohmExplanation: 1/R = 1/6 + 1/3 = 1/2, hence R = 2 ohm.

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QID #25385 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

A 2 kg body moving at 3 m/s has kinetic energy equal to:

Correct Answer: C. 9 J
K = 1/2 mv² = 1/2 × 2 × 3² = 9 J.

Question: A 2 kg body moving at 3 m/s has kinetic energy equal to:

A. 3 J

B. 6 J

C. 9 J

D. 18 J

Correct Answer: C. 9 JExplanation: K = 1/2 mv² = 1/2 × 2 × 3² = 9 J.

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QID #25384 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

Which reagent can distinguish an aldehyde from a ketone by producing a silver mirror with the aldehyde?

Correct Answer: B. Tollens' reagent
Tollens' reagent is reduced by aldehydes to metallic silver under appropriate conditions.

Question: Which reagent can distinguish an aldehyde from a ketone by producing a silver mirror with the aldehyde?

A. Benedict's solution only

B. Tollens' reagent

C. Dilute HCl

D. Sodium chloride solution

Correct Answer: B. Tollens' reagentExplanation: Tollens' reagent is reduced by aldehydes to metallic silver under appropriate conditions.

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QID #25383 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

Which order of increasing first ionisation enthalpy is generally correct for the period-3 elements Na, Mg and Al?

Correct Answer: A. Na < Al < Mg
Na has the lowest; Al is slightly lower than Mg because its first removed electron is from the higher-energy 3p subshell.

Question: Which order of increasing first ionisation enthalpy is generally correct for the period-3 elements Na, Mg and Al?

A. Na < Al < Mg

B. Al < Na < Mg

C. Mg < Al < Na

D. Na < Mg < Al

Correct Answer: A. Na < Al < MgExplanation: Na has the lowest; Al is slightly lower than Mg because its first removed electron is from the higher-energy 3p subshell.

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QID #25382 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

Which species is the conjugate acid of NH3?

Correct Answer: B. NH4+
NH3 accepts a proton to form NH4+.

Question: Which species is the conjugate acid of NH3?

A. NH2−

B. NH4+

C. N2H4

D. NO3−

Correct Answer: B. NH4+Explanation: NH3 accepts a proton to form NH4+.

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QID #25381 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

The hybridisation of carbon atoms in ethene (C2H4) is:

Correct Answer: B. sp2
Each carbon in ethene has three sigma domains and is sp2 hybridised.

Question: The hybridisation of carbon atoms in ethene (C2H4) is:

A. sp

B. sp2

C. sp3

D. dsp2

Correct Answer: B. sp2Explanation: Each carbon in ethene has three sigma domains and is sp2 hybridised.

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QID #25380 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

For an exothermic reaction at equilibrium, increasing temperature generally shifts equilibrium:

Correct Answer: B. Towards reactants
Heat behaves like a product in an exothermic reaction; adding heat shifts equilibrium toward reactants.

Question: For an exothermic reaction at equilibrium, increasing temperature generally shifts equilibrium:

A. Towards products

B. Towards reactants

C. Without any change

D. Only if a catalyst is present

Correct Answer: B. Towards reactantsExplanation: Heat behaves like a product in an exothermic reaction; adding heat shifts equilibrium toward reactants.

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QID #25379 MNS MNS Full Mock Test 2026-12th Entry MNS Full Mock Test 13 - Latest CBT 2026 Medium

Which hormone triggers ovulation in the human menstrual cycle?

Correct Answer: B. LH surge
A mid-cycle surge of luteinizing hormone triggers ovulation.

Question: Which hormone triggers ovulation in the human menstrual cycle?

A. FSH surge

B. LH surge

C. Progesterone surge

D. Prolactin surge

Correct Answer: B. LH surgeExplanation: A mid-cycle surge of luteinizing hormone triggers ovulation.

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Free MCQs with Answers | Military Brat Defence Academy

Five persons P, Q, R, S and T sit in a row facing north. Q sits immediately right of P. R sits immediately left of S. T sits at one end. P is not at an end. If S sits at the other end, who sits in the middle?

Choose the sentence in which the underlined idea is expressed most precisely: 'Hardly had the bell rung ___ the candidates entered the hall.'

A particle starts from rest with constant acceleration. If it covers distance S in the first 4 s, the distance covered in the next 4 s is:

For the galvanic cell Zn|Zn2+ || Cu2+|Cu, given E°(Cu2+/Cu)=+0.34 V and E°(Zn2+/Zn)=−0.76 V, the standard cell potential is:

A woman who is a carrier for an X-linked recessive disorder marries an unaffected man. What is the probability that a randomly born child will be an affected son?

A is the sister of B. B is the son of C. C is married to D. How is A related to D?

In a certain code, NURSE is written as 142118195 using alphabetical positions concatenated. How is CARE written?

Choose the word that best completes the sentence: The officer's instructions were so ___ that no one misunderstood them.

Choose the correct passive form: 'The nurse administered the medicine.'

Choose the grammatically correct sentence.

A wave has frequency 50 Hz and wavelength 4 m. Its speed is:

An object is placed between F and 2F of a convex lens. The image formed is generally:

Two resistors of 6 ohm and 3 ohm are connected in parallel. Their equivalent resistance is:

A 2 kg body moving at 3 m/s has kinetic energy equal to:

Which reagent can distinguish an aldehyde from a ketone by producing a silver mirror with the aldehyde?

Which order of increasing first ionisation enthalpy is generally correct for the period-3 elements Na, Mg and Al?

Which species is the conjugate acid of NH3?

The hybridisation of carbon atoms in ethene (C2H4) is:

For an exothermic reaction at equilibrium, increasing temperature generally shifts equilibrium:

Which hormone triggers ovulation in the human menstrual cycle?

Free MCQs with Answers and Explanations