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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3465

Question 5321

'Hemolysis' in a lab tube of blood might be caused by adding:

Isotonic saline
Hypotonic solution (pure water)✔️
Hypertonic solution
Oil

Correct Answer Logic:

Water enters the RBCs by osmosis until they burst.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5804

Question 5322

Communication through facial expressions and body posture is called:

Verbal
Kinesics✔️
Writing
Proxemics

Correct Answer Logic:

Kinesics is the study of body movement and facial expressions[cite: 7].

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Civil Procedure QUESTION #5670

Question 5323

A plaintiff seeks to join two defendants in a single action. One defendant's claim arises from a car accident in January, and the other's from a separate contract dispute in June. There are no common questions of law or fact. Is joinder proper under Rule 20(a)(2)?

Yes, because a plaintiff can join as many defendants as they want.
No, because the claims do not arise out of the 'same transaction, occurrence, or series of transactions or occurrences' and there is no common question of law or fact.✔️
Yes, if the total amount in controversy exceeds $75,000.
No, unless both defendants are citizens of the same state.

Correct Answer Logic:

Rule 20(a)(2) requires that the right to relief arise out of the same transaction or occurrence AND there must be a common question of law or fact.

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Mathematics QUESTION #963

Question 5324

In a group of 3 girls and 4 boys, there are two boys $B_1$ and $B_2$. The number of ways in which these girls and boys can stand in a queue such that all the girls stand together, all the boys stand together, but $B_1$ and $B_2$ are not adjacent to each other, is:

96
144✔️
120
72

Correct Answer Logic:

Girls together: $3!$ ways. Boys together: $4!$ ways. Two blocks arranged: $2!$ ways. Total $= 2! \times 3! \times 4! = 2 \times 6 \times 24 = 288$. Cases where $B_1, B_2$ adjacent: treat them as one unit → $2! \times 3! \times 3! \times 2! = 144$. Required $= 288 - 144 = 144$.

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Reading and Writing (Module-1) QUESTION #5378

Question 5325

While researching a topic, a student has taken the following notes: Earthquakes start at a point called a 'focus' and spread out as seismic waves. Two types of seismic waves that travel beneath the surface are P waves and S waves. P waves compress and expand the ground, while S waves move it side to side. Both types of waves travel beneath the surface and cause the ground to move. The student wants to emphasize a similarity between P waves and S waves. Which choice most effectively uses relevant information from the notes to accomplish this goal?

P waves and S waves both travel beneath Earth’s surface, causing the ground to move.✔️
P waves travel away from an earthquake’s starting point at a higher rate of speed than do S waves.
Spreading out from the focus of an earthquake, P waves move the ground backward and forward.
Although P waves and S waves start at the same point, they behave very differently.

Correct Answer Logic:

Option A highlights what the waves have in common, using the word 'both' to emphasize the similarity.

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Electrical Engineering QUESTION #2135

Question 5326

In a purely inductive circuit, if the frequency of the AC supply is doubled, what happens to the current $I$ flowing through the circuit?

It is doubled
It is halved✔️
It remains the same
It becomes four times

Correct Answer Logic:

Inductive reactance $X_L = 2\pi fL$ is directly proportional to frequency $f$. Doubling $f$ doubles $X_L$, which halves the current $I = V/X_L$.

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Basic Mathematics QUESTION #2820

Question 5327

If $a : b = 3 : 4$ and $b : c = 6 : 7$, find $a : b : c$.

9:12:14✔️
3:04:07
6:08:07
3:06:07

Correct Answer Logic:

$a:b = 3:4$ and $b:c = 6:7$. Make $b$ common: $b = \text{LCM}(4,6) = 12$. $a:b = 9:12$ and $b:c = 12:14$. So $a:b:c = 9:12:14$.

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Professional QUESTION #1913

Question 5328

Under Rule 5(6) which officers are permitted to take initiative in approaching a Minister on official business?

Officers of BPS-17 and above
Section Officers and above
Only a Secretary Additional Secretary or Joint Secretary✔️
Deputy Secretary and above

Correct Answer Logic:

Rule 5(6) restricts the initiative of approaching a Minister to Secretaries Additional Secretaries and Joint Secretaries only. An Additional/Joint Secretary must also communicate the points made to the Secretary at the first opportunity.

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Security Measures to Maintain Law and Order QUESTION #926

Question 5329

How can security personnel best identify a concealed weapon?

By asking everyone
Using metal detectors and X-rays✔️
Randomly selecting baggage
Guessing based on appearance

Correct Answer Logic:

Technical screening is the most reliable way to detect metallic or non-metallic weapons hidden on a person or in bags.

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Commerce QUESTION #6213

Question 5330

When evaluating 'True and Fair View' in financial statements, the auditor's judgment is $J$. If $J$ is influenced by a personal interest in the entity, which ethical principle is violated?

Professional Competence
Confidentiality
Technical Standards
Objectivity✔️

Correct Answer Logic:

Objectivity requires that the auditor's opinion is based on evidence alone and is not subjective or influenced by personal interests.

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Reading and Writing (Module-1) QUESTION #5373

Question 5331

Scientists rely on exact measurement standards to ensure experiment results are valid. ______ metrologists developed the International System of Units (SI), which is based on constant natural values like the speed of light. Which choice completes the text with the most logical transition?

In contrast,
Regardless,
In addition,
For this reason,✔️

Correct Answer Logic:

The development of the SI system is a direct result ('for this reason') of the need for precise standards.

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Commerce QUESTION #1218

Question 5332

Which of the following statements is generally correct about the reliability of audit evidence?

To be reliable, evidence should be conclusive rather than persuasive
Effective internal control system provides reliable audit evidence✔️
Evidence obtained from outside sources routed through the client
All of these

Correct Answer Logic:

An effective internal control system reduces the risk of material misstatement, making the audit evidence obtained in a well-controlled environment more reliable. Option (A) is incorrect — audit evidence is generally persuasive, not conclusive. Option (C) is incorrect — evidence from outside sources routed through the client is less reliable than direct external confirmation.

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Reading and Writing (Module-1) QUESTION #5400

Question 5333

Text 1: Conventional wisdom long held that human social systems evolved in stages, beginning with hunter-gatherers forming small bands of members with roughly equal status. The shift to agriculture about 12,000 years ago sparked population growth that led to the emergence of groups with hierarchical structures: associations of clans first, then chiefdoms, and finally, bureaucratic states. Text 2: In a 2021 book, anthropologist David Graeber and archaeologist David Wengrow maintain that humans have always been socially flexible, alternately forming systems based on hierarchy and collective ones with decentralized leadership. The authors point to evidence that as far back as 50,000 years ago some hunter-gatherers adjusted their social structures seasonally, at times dispersing in small groups but also assembling into communities that included esteemed individuals. Based on the texts, how would Graeber and Wengrow (Text 2) most likely respond to the "conventional wisdom" presented in Text 1?

By conceding the importance of hierarchical systems but asserting the greater significance of decentralized collective societies
By disputing the idea that developments in social structures have followed a linear progression through distinct stages✔️
By acknowledging that hierarchical roles likely weren't a part of social systems before the rise of agriculture
By challenging the assumption that groupings of hunter-gatherers were among the earliest forms of social structure

Correct Answer Logic:

Graeber and Wengrow argue that humans flexibly shifted between different social structures rather than following a linear stage progression as conventional wisdom suggests.

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Electrical Engineering QUESTION #2189

Question 5334

A p-channel JFET has $I_{DSS} = -8\,\text{mA}$ and pinch-off voltage $V_P = +3\,\text{V}$. At $V_{GS} = 1.5\,\text{V}$ (saturation region), the drain current $I_D$ is:

$-2\,\text{mA}$✔️
$-4\,\text{mA}$
$-6\,\text{mA}$
$+2\,\text{mA}$

Correct Answer Logic:

$I_D = I_{DSS}\!\left(1-\frac{V_{GS}}{V_P}\right)^2 = -8\!\left(1-\frac{1.5}{3}\right)^2 = -8\times(0.5)^2 = -8\times0.25 = -2\,\text{mA}$. Negative sign confirms conventional current flows from source to drain in p-channel device.

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English QUESTION #4455

Question 5335

In the sentence 'Wearing a helmet when you do any dangerous sport is important.', the subject is:

Helmet
You
Sport
None of these✔️

Correct Answer Logic:

The subject is the entire gerund phrase 'Wearing a helmet when you do any dangerous sport', not just a single word.

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Math (Module-1) QUESTION #5471

Question 5336

$f(x) = 206(1.034)^x$ models the value, in dollars, of a bank account $x$ years after 1957. Which best interprets "$f(5) \approx 243$"?

The value in 1962 is $\$5$ more than in 1957.
The value in 1962 is approximately $\$243$.✔️
The value in 1962 is approximately $5$ times the 1957 value.
The value increases by approximately $\$243$ every $5$ years.

Correct Answer Logic:

$x = 5$ corresponds to the year $1957 + 5 = 1962$. $f(5) \approx 243$ means the account value is about $\$243$ in that year.

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Pharmacokinetics and Pharmacodynamics QUESTION #3831

Question 5337

For a drug administered as a continuous intravenous infusion, which pharmacokinetic parameter does NOT affect the steady-state plasma concentration?

Dose
Drug clearance
Volume of distribution✔️
Dosing interval

Correct Answer Logic:

At steady state with IV infusion: $C_{ss} = \dfrac{\text{Dose rate}}{\text{Clearance}}$. Volume of distribution determines time to steady state but not the concentration itself. Dosing interval is irrelevant for continuous infusion.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3666

Question 5338

Which drug is used to treat 'Amoebic Dysentery'?

Ipecac✔️
Senna
Aloe
Ginger

Correct Answer Logic:

Emetine from Ipecac is effective against amoebae.

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Commerce QUESTION #6132

Question 5339

Y Limited purchased a motor van with these costs: Purchase price $50,000; Delivery $4,500; Engine upgrade $6,000; 2-year maintenance contract $4,000; Annual licence fee $1,200. Depreciation: 20% straight-line. What are the total expenses in the statement of profit or loss?

$14,340
$15,300✔️
$17,300
$20,100

Correct Answer Logic:

Option B ($15,300) is correct.

Capital expenditure: $50,000 + $4,500 + $6,000 = $60,500

Depreciation = $60,500 × 20% = $12,100

Revenue expenditure: Maintenance (year 1 only) $4,000 ÷ 2 = $2,000 + Licence $1,200 = $3,200

Total expenses = $12,100 + $3,200 = $15,300

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Dairy Food Science and Technology QUESTION #5934

Question 5340

In the production of condensed milk, the vacuum evaporator operates under reduced pressure to:

Increase the boiling point of water for faster evaporation
Lower the boiling point of the milk/water mixture, enabling evaporation at $45\text{–}65^{\circ}\text{C}$ to minimize heat damage (vacuum $\approx 0.2\;\text{bar}$)✔️
Improve the Maillard browning for caramel flavor
Concentrate fat rather than water

Correct Answer Logic:

Vacuum evaporation reduces pressure to $\approx 0.2\;\text{bar}$, lowering the boiling point to $45\text{–}65^{\circ}\text{C}$. This allows water removal at much lower temperatures compared to atmospheric boiling ($100^{\circ}\text{C}$), preventing excessive heat damage, Maillard browning, and protein denaturation.

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