Reading Mode - Questions

Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5689

Question 1381

A 'Liniment' is distinguished from a 'Lotion' primarily by which characteristic?

It is an aqueous solution
It must be applied with friction✔️
It is intended for internal use
It is used for ophthalmic purposes

Correct Answer Logic:

Liniments are liquid or semi-liquid preparations intended for application to the skin with friction or rubbing.

Uploaded by: Fani Warraich

Logical Reasoning QUESTION #7881

Question 1382

Given: All omnivores are herbivores. No herbivores are carnivores. Some carnivores are humans. Which conclusions are TRUE? I. Some humans are carnivores. II. No carnivores are omnivores. III. Some omnivores are carnivores.

I and II✔️
I and III
II and III
Only III

Correct Answer Logic:

Conclusion I is true (Some carnivores are humans implies some humans are carnivores). Conclusion II is true (omnivores are herbivores, and no herbivores are carnivores, so no carnivores are omnivores). Conclusion III is false (it contradicts the given statements). So I and II are true.

Uploaded by: Fani Warraich

Chemistry QUESTION #7407

Question 1383

Which is the correct order for the first ionisation potential (IP₁)?

$\text{Na} > \text{Al}$
$\text{Mg} > \text{Al}$✔️
$\text{Ga} > \text{Ca}$
$\text{Mg} > \text{Be}$

Correct Answer Logic:

IE₁ irregularities:
Generally IE₁ increases left to right, but Al (3p¹) has lower IE₁ than Mg (3s²) because:

Mg has a full 3s² subshell (extra stability)
Al's 3p electron is shielded by 3s electrons and easier to remove

Therefore $\text{Mg} > \text{Al}$ is a correct and expected inequality. This is one of the classic exceptions to the smooth IE trend across period 3.

Uploaded by: Fani Warraich

Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3102

Question 1384

The average lifespan of a Red Blood Cell (Erythrocyte) is approximately:

10 days
30 days
120 days✔️
1 year

Correct Answer Logic:

RBCs circulate for about 120 days before being destroyed by the spleen and liver.

Uploaded by: Fani Warraich

Electrical Engineering QUESTION #2158

Question 1385

The transfer function of a second-order system is $H(s) = \frac{\omega_n^2}{s^2 + 2\zeta\omega_n s + \omega_n^2}$. For $\zeta = 0.5$ and $\omega_n = 10\,\text{rad/s}$, the percent peak overshoot in a unit step response is:

$16.3\%$✔️
$4.3\%$
$25.4\%$
$9.5\%$

Correct Answer Logic:

$\%PO = e^{-\pi\zeta/\sqrt{1-\zeta^2}} \times 100 = e^{-\pi(0.5)/\sqrt{0.75}} \times 100 = e^{-1.814} \times 100 \approx 16.3\%$.

Uploaded by: Fani Warraich

Education QUESTION #6748

Question 1386

A school administrator argues that a single national exam score should determine whether a student is promoted to the next grade. According to sound assessment principles, what is the most critical flaw in this policy?

National exams are always norm-referenced and cannot determine mastery
High-stakes decisions should never be based on a single test score alone; multiple evidence sources are required✔️
Promotion decisions belong exclusively to classroom teachers, not administrators
A single test inherently lacks content validity

Correct Answer Logic:

A fundamental recommendation for high-stakes testing is protection against high-stakes decisions based on a single test. Important educational decisions require triangulation of evidence from multiple sources to ensure validity and fairness.

Uploaded by: Fani Warraich

Boilers Mechanical Engineering QUESTION #2459

Question 1387

Gear interference occurs when:

The pressure angle exceeds 25°
The addendum circle of one gear extends beyond the tangent points (interference points) on the line of action✔️
The contact ratio exceeds 2.0
The module is less than 1 mm

Correct Answer Logic:

Interference occurs when the dedendum of one gear extends below its base circle. The maximum addendum radius without interference is $r_{a,max}=\sqrt{r_b^2+c^2\sin^2\phi}$.

Uploaded by: Fani Warraich

Education QUESTION #11657

Question 1388

Among the components of an effective lesson plan, the most critical and foundational element is:

Curriculum evaluation
Objectives✔️
I.Q.
None of these

Correct Answer Logic:

Objectives are the most important component of a lesson plan because they define what the lesson intends to achieve. All other elements — methods, materials, activities, and assessment — are selected and aligned to meet the stated objectives. Without clear objectives, a lesson plan has no direction.

Correct Answer: B — Objectives.

Uploaded by: Fani Warraich

Biology Zoology Botany QUESTION #10793

Question 1389

Continental drift theory proposed that all continents were once a single supercontinent called:

Pangaea✔️
Laurasia
Gondwanaland
Madagascar

Correct Answer Logic:

Pangaea (Greek: 'all Earth') was the supercontinent proposed by Alfred Wegener (1912) that contained all of Earth's landmasses approximately 300–200 million years ago. Pangaea began breaking apart during the Triassic/Jurassic, first splitting into Laurasia (northern: North America, Europe, Asia) and Gondwanaland (southern: South America, Africa, Antarctica, Australia, India). The process drove the evolution of distinct regional flora and fauna.

Uploaded by: Fani Warraich

Agronomy QUESTION #2093

Question 1390

Osmotic adjustment in crops under drought stress is the process by which:

Plants shed their leaves to reduce total transpiring surface area
Cells actively accumulate compatible solutes (proline, glycine betaine, soluble sugars, K⁺) in the cytoplasm and vacuole, lowering osmotic potential and maintaining turgor pressure and metabolic function at lower soil water potentials — enabling continued growth and gas exchange✔️
Roots lose their selective permeability, allowing free water movement into depleted cells
Stomata permanently close to prevent any further water loss

Correct Answer Logic:

Osmotic adjustment (osmoregulation) is an active cellular response to water deficit: solutes accumulate without causing toxicity, lowering $\psi_s$ (osmotic potential) and maintaining positive turgor pressure ($\psi_p = \psi_w - \psi_s$) at lower leaf water potentials. This sustains stomatal opening, photosynthesis, root elongation into dry soil, and metabolic processes — a key drought tolerance mechanism quantified by the Pressure-Volume curve.

Uploaded by: Fani Warraich

Molecular Biology / Bioinformatics / Biochemistry QUESTION #11118

Question 1391

Apart from hearing, what other major physiological function does the ear perform?

Nerve pressure reduction
Hormone secretion
Body balancing (equilibrium)✔️
All of these

Correct Answer Logic:

The inner ear performs two major functions: hearing (via the cochlea) and body balancing/equilibrium (via the vestibular apparatus). The vestibular system includes: (1) semicircular canals — detect rotational acceleration of the head in three planes, and (2) utricle and saccule (otolith organs) — detect linear acceleration and static head position relative to gravity. Damage to the vestibular system causes vertigo, dizziness, and loss of balance.

Uploaded by: Fani Warraich

Education QUESTION #11634

Question 1392

Effective planning in education primarily aims at creating a well-prepared _____ situation.

Past
Present
Future✔️
None of these

Correct Answer Logic:

By definition, planning is a forward-looking activity. It anticipates future needs, challenges, and goals, and prepares the organization to meet them. Planning is always oriented toward the future — creating conditions for desired outcomes yet to come.

Correct Answer: C — Future.

Uploaded by: Fani Warraich

Academic/Professional (Social Sciences) QUESTION #6504

Question 1393

Which type of research design aims to establish cause-and-effect relationships?

Descriptive
Exploratory
Experimental✔️
Historical

Correct Answer Logic:

Experiments manipulate variables to determine if one causes a change in another.

Uploaded by: Fani Warraich

Boilers Mechanical Engineering QUESTION #4070

Question 1394

'Steam-to-Fuel' ratio of $10:1$ means:

$10~kg$ of steam is produced for every $1~kg$ of fuel burnt✔️
$10~kg$ of fuel for $1~kg$ of steam
The boiler is $10\%$ efficient
The pressure is $10~bar$

Correct Answer Logic:

A key performance indicator (KPI) for boiler operators.

Uploaded by: Fani Warraich

Physics QUESTION #1160

Question 1395

The viscosity of a fluid in motion is 1 Poise. What will be its viscosity (in Poise) when the fluid is at rest?

0.5
1✔️
2

Correct Answer Logic:

Viscosity is an intrinsic property of a fluid that depends on its temperature and nature, not on its state of motion or rest. A fluid's viscosity remains the same whether it is flowing or stationary. The viscosity is still 1 Poise at rest.

Uploaded by: Fani Warraich

Constitutional Law QUESTION #5811

Question 1396

A state law requires all private and public employers to give employees a day of rest on their chosen 'Sabbath.' An employee at a large tech firm demands Sundays off. The firm fires him because Sundays are their busiest days. The employee sues under the state law. The employer argues the law violates the Establishment Clause. Is the law constitutional?

Yes, because it protects the free exercise rights of all employees.
Yes, because the law has a secular purpose of ensuring a day of rest for workers.
No, because it has the primary effect of advancing religion by giving an absolute preference to Sabbath observers.✔️
No, because it fails the 'neutrality' test by targeting only religious days of rest.

Correct Answer Logic:

In Thornton v. Caldor, the Supreme Court held that a law giving an absolute preference to Sabbath observers over all other interests violates the Establishment Clause because it lacks a secular purpose and primary effect that is neutral, essentially 'endorsing' religious practices over secular business needs.

Uploaded by: Fani Warraich

Biology Zoology Botany QUESTION #1364

Question 1397

Which group of organisms is known for having chloroplasts in every cell?

Fungi
Algae✔️
Bryophytes
Lichens

Correct Answer Logic:

Algae contain chloroplasts in every photosynthetic cell of their thallus. Algal chloroplasts come in diverse shapes (cup-shaped, ribbon-like, stellate) and contain photosynthetic pigments. Fungi have no chloroplasts at all (they are heterotrophs). Bryophytes have chloroplasts in their green cells but not every cell (e.g., rhizoids lack them). Lichens are fungal-algal symbioses.

Uploaded by: Fani Warraich

General Knowledge QUESTION #8687

Question 1398

What does 'hegemony' mean?

Controlled democracy
Autocracy
Supremacy of power or leadership✔️
Power to control others but not fully

Correct Answer Logic:

Hegemony means dominance or leadership of one group over others.

Uploaded by: Fani Warraich

MBBS QUESTION #10187

Question 1399

During thoracocentesis (pleural aspiration), the needle is inserted just above the upper border of a rib rather than along its lower border. This technique avoids injury to which structures, which run in a groove along the inferior border of each rib?

Intercostal nerve, artery and vein✔️
Phrenic nerve
Sympathetic chain
Thoracic duct

Correct Answer Logic:

The intercostal neurovascular bundle (vein, artery, nerve — from superior to inferior) runs in the costal groove along the inferior border of each rib; needling just above a rib's lower border avoids these structures and reduces the risk of hemorrhage or nerve injury.

Uploaded by: Fani Warraich

Pakistan Affairs QUESTION #287

Question 1400

The Muslim rulers of Delhi in the Pre-Mughal era were called Sultans as they were bound to:

Avoid further expansion
Nominate their successors
Seek recognition from the Caliph after acquiring power✔️
Wage Jihad against the infidels

Correct Answer Logic:

Legally, a Sultan was a representative of the Abbasid Caliph and sought a 'Manshur' (investiture).+1

Uploaded by: Fani Warraich

More Options

Suggest a Question