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Molecular Biology / Bioinformatics / Biochemistry QUESTION #11074

During meiosis, synapsis (pairing of homologous chromosomes) occurs during:

Prophase I
Metaphase I
Anaphase I
Pachytene✔️

Correct Answer Logic:

Synapsis — the precise pairing of homologous chromosomes along their entire length — occurs during pachytene (the third stage of Prophase I). Prophase I is divided into: leptotene (chromosomes condense), zygotene (synapsis begins), pachytene (synapsis complete, synaptonemal complex fully formed, crossing-over occurs), diplotene (synaptonemal complex dissolves, chiasmata visible), and diakinesis (chromosomes maximally condensed). Pachytene is specifically when the synaptonemal complex is fully assembled.

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Psychology QUESTION #9775

Question 8962

A pervasive feeling of unease, apprehension, or tension without a specific identifiable threat is commonly referred to as:

Frustration
Fear
Anxiety✔️
Stress

Correct Answer Logic:

Anxiety is a diffuse, future-oriented state of apprehension without a specific present danger. It differs from fear (response to a known, present threat). Anxiety disorders are the most common mental health conditions globally.

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Physics QUESTION #1026

Question 8963

The kinetic energies of cars A and B are 100 J and 225 J. Car A stops after 1000 m and car B stops after 1500 m. The ratio $F_A/F_B$ is:

$\dfrac{1}{3}$
$\dfrac{1}{2}$✔️
$\dfrac{3}{2}$
$\dfrac{2}{3}$

Correct Answer Logic:

By work-energy theorem: $F \cdot d = KE$. So $F_A = \frac{100}{1000} = 0.1\ \text{N}$ and $F_B = \frac{225}{1500} = 0.15\ \text{N}$. Ratio: $\frac{F_A}{F_B} = \frac{0.1}{0.15} = \frac{2}{3}$. Wait: $\frac{0.1}{0.15}=\frac{2}{3}$. Answer is option (4) = $\frac{2}{3}$... re-checking: $\frac{100/1000}{225/1500}=\frac{0.1}{0.15}=\frac{2}{3}$. Correct option index: 3.

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Math Physics Chemistry Biology QUESTION #4236

Question 8964

Osmoreceptors that detect the osmotic pressure of blood are primarily located in the:

Cerebellum
Medulla oblongata
Hypothalamus✔️
Cerebral cortex

Correct Answer Logic:

Osmoreceptors are in hypothalamus.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3665

Question 8965

'Garlic' is known for its sulfur-containing constituent called:

Allicin✔️
Reserpine
Eugenol
Atropine

Correct Answer Logic:

Allicin provides the medicinal properties and odor of garlic.

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Law QUESTION #9515

Question 8966

A High Court in revision sets aside an order of a subordinate Court and substitutes its own findings on facts. The party against whom the revisional order operates argues that the High Court exceeded its revisional jurisdiction. Is this argument sound?

No; the High Court can always substitute its own findings in revision
No; the High Court in revision can do anything the trial Court could do
Yes; revision is only available to correct jurisdictional errors confirmed by the Supreme Court
Yes; under Section 115 CPC, the High Court's revisional jurisdiction is supervisory and does not extend to correcting mere errors of fact; revision is available only where a Court has acted without jurisdiction, exceeded its jurisdiction, or acted with material irregularity in the exercise of jurisdiction✔️

Correct Answer Logic:

Section 115 CPC limits the High Court's revisional jurisdiction to cases where the subordinate Court has (a) exercised a jurisdiction not vested in it by law, (b) failed to exercise a jurisdiction so vested, or (c) acted in the exercise of jurisdiction illegally or with material irregularity. Revision is not a second appeal and cannot be used to re-appreciate facts.

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Maths QUESTION #2854

Question 8967

The perimeter of a square is 64 m. Find its area.

256 m²✔️
128 m²
64 m²
512 m²

Correct Answer Logic:

Perimeter of square $= 4 \times \text{side}$. So side $= \dfrac{64}{4} = 16$ m. Area $= 16^2 = 256 \text{ m}^2$.

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Administration QUESTION #9565

Question 8968

The principle of 'crowding out' in public finance describes a negative externality of government borrowing. Explain the precise mechanism by which excessive government borrowing from the domestic banking sector crowds out private investment.

Government borrowing increases money supply, causing inflation, which reduces real returns on private investment
Government borrowing absorbs available credit in the banking system, reducing funds available for private lending, which raises interest rates and suppresses private sector investment and economic growth✔️
Government borrowing forces banks to hold government securities instead of foreign exchange, reducing private firms' ability to import capital goods
Government borrowing is repaid through higher future taxes, which reduces consumer spending and therefore reduces the demand that private firms invest to meet

Correct Answer Logic:

When government borrows extensively from domestic banks, it competes with private borrowers for a finite pool of lendable funds. This drives up interest rates (cost of credit), making private investment more expensive and less profitable — reducing private capital formation. This is the crowding out mechanism that classical economists warned about and why fiscal discipline is considered essential for private sector growth.

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Education QUESTION #7586

Question 8969

Which of the following is a tool for formative assessment?

Report card
Unit test
Observation checklist✔️
Annual exam

Correct Answer Logic:

Observation checklists allow teachers to note student progress, skills, and behaviors during learning activities, making them effective formative assessment tools.

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Journalism / Mass Communication QUESTION #6374

Question 8970

The term yellow journalism refers to a style of journalism that flourished in the 1890s. Based on context in the textbook and general media history, which of the following BEST describes it?

Journalism that reports only positive stories to boost public morale
Sensationalist journalism that prioritises eye-catching headlines, exaggeration, and emotionally charged stories over factual reporting✔️
Journalism exclusively covering financial and stock market news
Government-funded journalism designed to promote official propaganda

Correct Answer Logic:

The 1890s were referred to in the textbook as the “period of yellow journalism,” which was followed by the era of Jazz Journalism. Yellow journalism refers to a style of reporting characterised by:

Sensational, exaggerated headlines designed to sell newspapers rather than inform
Emotional appeal over factual accuracy
Aggressive competition between newspaper publishers (most famously between Joseph Pulitzer's New York World and William Randolph Hearst's New York Journal)
Lurid crime stories, scandal, and jingoistic coverage of foreign affairs

The term is believed to derive from a popular comic strip character, “The Yellow Kid,” published in both competing papers. Yellow journalism is widely criticised as a corruption of journalism's core duty — truth-telling — and represents an early example of the tension between commercial media pressures and journalistic ethics.

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English QUESTION #8348

Question 8971

A young police officer was charged _______ the task of transporting prisoners.

for
by
in
with✔️

Correct Answer Logic:

'Charged with' a task means assigned.

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General Knowledge QUESTION #4797

Question 8972

WAFA news agency is affiliated with which country or entity?

Palestine✔️
Jordan
Syria
Lebanon

Correct Answer Logic:

WAFA (Wakalat Anba'a Falastiniyya) is the official Palestinian National News Agency, established in 1972 and serving as the news agency of the Palestinian Authority.

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Mathematics QUESTION #968

Question 8973

The area of the region enclosed by the curves $y = x^2 - 4x + 4$ and $y^2 = 16 - 8x$ is:

$\dfrac{8}{3}$✔️
$\dfrac{4}{3}$
8
5

Correct Answer Logic:

Rewrite: $y=(x-2)^2$ (parabola) and $y^2=8(2-x)$ (leftward parabola). Finding intersections and integrating between them gives area $=\dfrac{8}{3}$.

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Nursing QUESTION #9213

Question 8974

Faye Abdellah's Patient-Centered Approaches to Nursing identified how many nursing problems as the basis of nursing practice?

14
21✔️
24
31

Correct Answer Logic:

Correct Answer: B — 21 nursing problems

Faye Abdellah (1960) identified 21 nursing problems that shifted nursing focus from disease-centered to patient-centered care. These 21 problems are grouped into three categories:

Physical, sociological, and emotional needs of the patient
Types of interpersonal relationships between nurse and patient
Common elements of patient care

Examples of Abdellah's 21 problems include:

Maintaining good hygiene and physical comfort
Facilitating oxygen supply
Maintaining good nutrition
Identifying and accepting positive and negative expressions, feelings, and reactions

Abdellah's work was pioneering in developing nursing as a profession distinct from medicine and contributed to curriculum development in nursing education.

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Math Physics Chemistry Biology QUESTION #4304

Question 8975

Once an action potential reaches the membrane of a skeletal muscle fiber, what is the first event in the contraction process?

Actin and myosin form a cross-bridge
Calcium is pumped back into the sarcoplasmic reticulum
Calcium is released from the sarcoplasmic reticulum✔️
ATP is hydrolyzed by troponin

Correct Answer Logic:

When an action potential arrives, it triggers the sarcoplasmic reticulum to release $Ca^{2+}$ ions, which bind to troponin, moving tropomyosin and allowing cross-bridge formation.

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The Constitution of Pakistan QUESTION #9367

Question 8976

Article 25A imposes a duty on the State to provide free and compulsory education. What is the age range for children covered by this Article?

Three to fourteen years
Five to sixteen years✔️
Six to fourteen years
Four to eighteen years

Correct Answer Logic:

Article 25A, inserted by the 18th Amendment 2010, provides: 'The State shall provide free and compulsory education to all children of the age of five to sixteen years.' This is a constitutional right to education, making it enforceable, unlike the Principles of Policy.

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General Science and Ability QUESTION #200

Question 8977

Which of the following is the common language for Artificial Intelligence?

Java
Python
Lisp✔️
None of these

Correct Answer Logic:

Lisp is one of the oldest and most influential languages for AI development.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5724

Question 8978

A medication error occurs when an infusion is administered at $100\text{ mL/hr}$ instead of the prescribed $50\text{ mL/hr}$. This is classified as which type of error?

Wrong preparation error
Wrong rate error✔️
Omission error
Unauthorized drug error

Correct Answer Logic:

Speeding up or slowing down an infusion is a 'Wrong rate error'.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3128

Question 8979

Which part of the brain is responsible for coordinating balance and fine motor skills?

Cerebrum
Cerebellum✔️
Medulla Oblongata
Hypothalamus

Correct Answer Logic:

The cerebellum (little brain) manages posture and coordination.

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Mathematics QUESTION #1323

Question 8980

The radius of curvature $\rho$ of the ellipse $\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}=1$ at the end of the minor axis $(0,b)$ is:

$\dfrac{b^2}{a}$
$\dfrac{a^2}{b}$✔️
$\dfrac{a}{b}$
$\dfrac{b}{a}$

Correct Answer Logic:

The radius of curvature of an ellipse at $(0,b)$ (end of minor axis): using the formula $\rho=\dfrac{(a^2\sin^2t+b^2\cos^2t)^{3/2}}{ab}$ at $t=\pi/2$: $\rho=\dfrac{(a^2)^{3/2}}{ab}=\dfrac{a^3}{ab}=\dfrac{a^2}{b}$.

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