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MCQs Section QUESTION #4896

A firm that specializes in the analysis of handwriting claims _____ more than three hundred personality traits, including enthusiasm, imagination, and ambition.

from a one-page writing sample that it can assess
from a one-page writing sample it has the ability of assessing
the ability, from a one-page writing sample, of assessing
to be able, from a one-page writing sample, to assess✔️

Correct Answer Logic:

Claims to be able…to assess' is the proper idiomatic construction. Option A misplaces the modifier 'from a one-page writing sample' before the 'that' clause. Options B and C use non-idiomatic constructions. Option E would produce a dangling participial phrase.

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Physics QUESTION #1028

Question 2322

Three identical heat conducting rods in series: outer rods have conductivity \(2K\), middle rod has conductivity \(K\). Left end at \(3T\), right end at \(T\). The ratio \(T_1/T_2\) (left junction to right junction temperature) is:

\(\dfrac{5}{3}\)✔️
\(\dfrac{5}{4}\)
\(\dfrac{3}{2}\)
\(\dfrac{4}{3}\)

Correct Answer Logic:

In steady state, heat flow rate \(Q\) is same through all rods. Let each rod have length \(L\) and area \(A\). \(\frac{2KA(3T-T_1)}{L} = \frac{KA(T_1-T_2)}{L} = \frac{2KA(T_2-T)}{L}\). From 1st and 3rd: \(2(3T-T_1)=2(T_2-T)\Rightarrow 3T-T_1=T_2-T\Rightarrow T_1+T_2=4T\). From 1st and 2nd: \(2(3T-T_1)=T_1-T_2\Rightarrow 6T-2T_1=T_1-T_2\Rightarrow 3T_1-T_2=6T\). Solving: \(T_1=\frac{5T}{2}, T_2=\frac{3T}{2}\). Ratio \(=\frac{5/2}{3/2}=\frac{5}{3}\).

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3060

Question 2323

Under the Drug Act 1976, which schedule deals with 'Finished Drugs'?

Schedule A
Schedule B✔️
Schedule G
Schedule D

Correct Answer Logic:

Schedule B usually refers to the official compendia recognized by the act.

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Biology QUESTION #572

Question 2324

Which disease is caused by low calcium in the blood?

Tetany✔️
Cramp
Muscle fatigue
Sciatica

Correct Answer Logic:

Hypocalcemia causes tetany

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Basic Mathematics QUESTION #2806

Question 2325

Simplify: \(\dfrac{-18 \times 5 + (-3) \times (-4)}{-6}\)

12
13✔️
13.5
14

Correct Answer Logic:

\(-18 \times 5 = -90\) and \((-3) \times (-4) = +12\). So numerator \(= -90 + 12 = -78\). Then \(\dfrac{-78}{-6} = 13\).

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3448

Question 2326

The 'Double Helix' of DNA was famously described by:

Louis Pasteur
Watson and Crick✔️
Gregor Mendel
Charles Darwin

Correct Answer Logic:

They used X-ray diffraction data from Rosalind Franklin.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3305

Question 2327

'Antiserum' provides which type of immunity?

Active Natural
Active Artificial
Passive Artificial✔️
Passive Natural

Correct Answer Logic:

Antiserum contains pre-formed antibodies (e.g., anti-venom) for immediate protection.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3459

Question 2328

'Osmosis' is the movement of:

Solutes across a membrane
Solvent (Water) from low to high solute concentration✔️
Energy
Oxygen

Correct Answer Logic:

Water moves to balance the concentration on both sides of a semi-permeable membrane.

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Biology QUESTION #4192

Question 2329

According to the Lamarck theory of evolution, the organ that has not been used in several generations will:

Become strong
Get amputated
Disappear✔️
Become developed

Correct Answer Logic:

According to Lamarck's theory of use and disuse, unused organs disappear over generations.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3302

Question 2330

A 'Live Attenuated' vaccine contains:

Dead microorganisms
Weakened but living microorganisms✔️
Only viral DNA
Synthetic chemicals

Correct Answer Logic:

Attenuated vaccines (like MMR or BCG) trigger a strong immune response without causing full-blown disease.

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English QUESTION #671

Question 2331

"Negative Capability" is a concept introduced by:

William Wordsworth
P.B. Shelley
John Keats✔️
Lord Byron

Correct Answer Logic:

Keats defined it as the ability to remain in uncertainties and mysteries without reaching after fact or reason.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3660

Question 2332

'Ginseng' is a famous tonic root used in which traditional system?

Unani
Homeopathy
Chinese Medicine✔️
Allopathy

Correct Answer Logic:

Ginseng is highly valued in Traditional Chinese Medicine (TCM).

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Physics QUESTION #390

Question 2333

A single mode step index fibre has core of about __________ ?m diameter

50 to 1000
50
30
5✔️

Correct Answer Logic:

Single mode fibers have core diameter around 5-10 ?m

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Library Sciences QUESTION #1549

Question 2334

In library change management, Kotter's 8-step model begins with which critical first step?

Forming a powerful guiding coalition
Creating a vision for change
Creating a sense of urgency✔️
Communicating the change vision

Correct Answer Logic:

Kotter's 8-step change model begins with 'Establishing a Sense of Urgency' — convincing stakeholders that change is necessary and cannot be delayed. Without this urgency, resistance to change typically prevails. This is particularly relevant in libraries undergoing digital transformation or restructuring.

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Urdu QUESTION #5105

Question 2335

'داماں پہ کوئی چھینٹ نہ خنجر پہ کوئی داغ' یہ کس کا شعر ہے؟

شوکت علی
ساحر لدھیانوی✔️
کلیم عاجز
جون ایلیا

Correct Answer Logic:

یہ مشہور شعر ساحر لدھیانوی کا ہے جو اپنی طنزیہ شاعری کے لیے جانے جاتے ہیں۔

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MCQs Section QUESTION #4903

Question 2336

A migraine typically afflicts one side of the head, lasts for hours or days, and may recur _____.

as infrequently as once every other month or often, as daily
as infrequently as once every other month or as often as daily✔️
infrequently, as often as once every other month, or often, like
infrequently, like once every other month, or often, like

Correct Answer Logic:

It uses fully parallel 'as…as' constructions: 'as infrequently as once every other month or as often as daily.' Option A omits the second 'as,' breaking the parallel. Options C and D incorrectly use 'like' in place of 'as' in comparative constructions. Option E mixes constructions inconsistently.

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Medicinal Chemistry and Biopharmaceutics QUESTION #3818

Question 2337

Why are viscosity-enhancing agents such as methylcellulose added to ophthalmic solutions?

To increase ocular exposure time✔️
To reduce inflammation of the eye by their soothing effect
To suspend soluble drugs
To reduce drop size

Correct Answer Logic:

Methylcellulose and similar agents increase the viscosity of ophthalmic drops, thereby prolonging contact time with the ocular surface and improving drug absorption.

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Chemistry QUESTION #1433

Question 2338

According to molecular orbital theory, the bond order of \(\text{O}_2^{-}\) is:

1.0
1.5✔️
2.5
None of these

Correct Answer Logic:

The MO electron configuration of O\(_2\) (16e\(^-\)): \(\sigma_{1s}^2\sigma_{1s}^{*2}\sigma_{2s}^2\sigma_{2s}^{*2}\sigma_{2p}^2\pi_{2p}^4\pi_{2p}^{*2}\). Bond order of O\(_2 = \frac{8-4}{2}=2\). O\(_2^-\) has one extra electron: \(\pi_{2p}^{*3}\), so bonding electrons = 8, antibonding = 5. Bond order \(= \dfrac{8-5}{2} = \dfrac{3}{2} = 1.5\).

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