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Chemistry QUESTION #4345

Carboxylic acid reacts with ammonia to form ammonium salts which on heating produces:

Carbonates
Alkane
Ester
Amide✔️

Correct Answer Logic:

When a carboxylic acid reacts with $NH_3$, an ammonium salt forms: $RCOOH + NH_3 \rightarrow RCOONH_4$. On heating, water is eliminated and an amide is produced: $RCOONH_4 \xrightarrow{\Delta} RCONH_2 + H_2O$.

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Civil Engineering QUESTION #2119

Question 2

In the moment distribution method for analyzing indeterminate structures, the distribution factor (DF) for a member at a joint is defined as:

The ratio of the member stiffness to the sum of stiffnesses of all members meeting at the joint✔️
The ratio of the fixed-end moment in the member to the total applied moment at the joint
The carry-over factor multiplied by the member stiffness
The ratio of span length to total length of all members at the joint

Correct Answer Logic:

Distribution Factor $DF = \dfrac{K_{member}}{\sum K_{members\,at\,joint}}$, where $K = \dfrac{4EI}{L}$ for far-end fixed and $K = \dfrac{3EI}{L}$ for far-end pinned. The sum of DFs at any joint always equals 1.0 (except at fixed supports where DF = 0). The DF determines what fraction of the unbalanced moment is distributed to each member at a joint.

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Psychology QUESTION #9719

Question 3

Which division of the autonomic nervous system conserves energy by slowing heart rate, stimulating digestion, and promoting a 'rest and digest' state?

Somatic nervous system
Sympathetic division
Parasympathetic division✔️
Central nervous system

Correct Answer Logic:

The parasympathetic division of the autonomic nervous system promotes the 'rest and digest' state. It slows heart rate, lowers blood pressure, stimulates digestive activity, and conserves bodily resources. This contrasts with the sympathetic division, which triggers the 'fight or flight' response by mobilizing energy in threatening situations.

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General Knowledge QUESTION #8626

Question 4

Between which two countries is the Dead Sea located?

Israel and Jordan✔️
Turkey and Greece
England and France
Sudan and South Yemen

Correct Answer Logic:

The Dead Sea lies between Israel and Jordan.

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The Constitution of Pakistan QUESTION #9361

Question 5

Article 175E grants the Federal Constitutional Court exclusive original jurisdiction over disputes between Governments. The court's remedy in such cases is limited to:

Any appropriate remedy including injunctions
Declaratory judgments only✔️
Damages and compensation
Criminal sanctions against responsible officials

Correct Answer Logic:

Article 175E(2) explicitly provides that 'in the exercise of the jurisdiction conferred on it by clause (1), the Federal Constitutional Court shall pronounce declaratory judgments only.' This restricts the FCC's inter-governmental dispute remedy to declarations rather than coercive orders.

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Physics QUESTION #7309

Question 6

A stone falls freely from rest and the total distance covered in the last second equals the distance covered in the first 3 seconds ($g = 10\text{ m/s}^2$). The time of flight is 5 s. Using the same setup: the distance covered by a particle starting from rest with $a = \dfrac{4}{3}\text{ m/s}^2$ in the third second of motion is:

$\dfrac{10}{3}\text{ m}$✔️
$\dfrac{19}{3}\text{ m}$
$6\text{ m}$
$4\text{ m}$

Correct Answer Logic:

Distance in $n$-th second from rest: $s_n = \dfrac{a}{2}(2n-1)$

For $n = 3$, $a = \dfrac{4}{3}\text{ m/s}^2$:

$s_3 = \dfrac{4/3}{2}(2\times3-1) = \dfrac{2}{3}\times 5 = \mathbf{\dfrac{10}{3}\text{ m}}$

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The Constitution of Pakistan QUESTION #9357

Question 7

The National Finance Commission (NFC) under Article 160 must be constituted within what time of the last award?

Three years
Four years
Five years✔️
No fixed time

Correct Answer Logic:

Article 160(1) states the President shall, within five years of the previous NFC Award, constitute a new National Finance Commission for the distribution of revenues between the Federation and Provinces. The five-year mandatory periodicity is a constitutional requirement.

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General Ability and Fire Fighting QUESTION #5619

Question 8

The P.A.S.S. technique is used when operating which type of firefighting equipment?

Fire hose
Sprinkler system
Portable fire extinguisher✔️
Breathing apparatus

Correct Answer Logic:

P.A.S.S. (Pull

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General Knowledge QUESTION #8769

Question 9

Who is considered the longest reigning monarch in the world currently (at the time of the PDF)?

The King of Japan
The King of Bhutan
The King of Thailand✔️
The King of Sweden

Correct Answer Logic:

King Bhumibol Adulyadej of Thailand (reigned until 2016) was the longest-serving. Key says C.

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General Science and Ability QUESTION #256

Question 10

Which contains a greater number of carbon atoms in one mole?

Chloroform
Methanol
Water
Ethanol✔️

Correct Answer Logic:

Ethanol (C2H5OH) has 2 carbon atoms per molecule, more than Chloroform (CHCl3) or Methanol (CH3OH).+1

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General Knowledge QUESTION #8876

Question 11

Who was the first president of the All India Muslim League?

Sir Aga Khan✔️
Nawab Salim Ullah
Mohammad Ali Jinnah
Raja Sahib Mahmood

Correct Answer Logic:

Sir Aga Khan III was the first president.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3638

Question 12

'Maceration' is a process where the drug is:

Boiled in water
Soaked in a solvent for a specific period at room temperature✔️
Burned to ash
Crushed into a fine powder only

Correct Answer Logic:

Maceration is a passive extraction process.

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General Knowledge QUESTION #4739

Question 13

The Nobel Peace Prize for 2006 was awarded to which person?

Dr. Mahathir Mohammad
Dr. Muhammad Yunus✔️
Dr. Abdul Kalam
Dr. Mohamed ElBaradei

Correct Answer Logic:

Dr. Muhammad Yunus of Bangladesh, along with the Grameen Bank he founded, was awarded the 2006 Nobel Peace Prize for their efforts to create economic and social development through microcredit.

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Contracts QUESTION #5853

Question 14

A Buyer purchases a toaster 'as is' from a Department Store. The toaster catches fire due to a manufacturing defect. Can the Buyer sue for breach of the Implied Warranty of Merchantability?

Yes, manufacturing defects cannot be disclaimed.
No, 'as is' effectively disclaims the implied warranty of merchantability.✔️
Yes, because the Store is a merchant.
No, because the Buyer should have tested it first.

Correct Answer Logic:

Under UCC §2-316(3)(a), expressions like 'as is' or 'with all faults' exclude all implied warranties.

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Biology QUESTION #7272

Question 15

Which one of the following is a vascular cryptogam?

Cedrus
Equisetum✔️
Ginkgo
Marchantia

Correct Answer Logic:

Equisetum (horsetail) is a vascular cryptogam — it has a well-developed vascular system but reproduces by spores (not seeds). Pteridophytes are vascular cryptogams. Cedrus and Ginkgo are gymnosperms (vascular but phanerogams/seed plants). Marchantia is a liverwort — non-vascular.

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MCQs Section QUESTION #4855

Question 16

Choose the word nearly opposite in meaning to "FACSIMILE"

Imitation
Model
Mutation✔️
Pattern

Correct Answer Logic:

A facsimile is an exact copy or reproduction of something. Its antonym is 'mutation,' which implies a change or alteration rather than an exact reproduction.

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Education QUESTION #6914

Question 17

The 'cognitive-affective curriculum' approach advocates integrating affective objectives into lesson plans alongside cognitive ones. What is the management rationale for this integration?

Affective objectives replace cognitive content, freeing up time for behavioral instruction
Behavioral change is gradual and requires sustained, curriculum-embedded reinforcement — drastic or isolated interventions do not produce lasting change✔️
Affective objectives increase test scores by making students emotionally invested in content
Integrating affective objectives allows teachers to reduce the number of formal disciplinary interventions needed each term

Correct Answer Logic:

The cognitive-affective curriculum recognizes that behavior modification happens over time through repeated, embedded experiences — not through one-off interventions. By weaving socio-emotional objectives consistently through lessons across all subjects, schools create the conditions for gradual, internalized behavioral change. This is more sustainable than disciplinary procedures applied reactively.

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General Knowledge QUESTION #8591

Question 18

Who painted the famous artwork 'Mona Lisa'?

Leonardo Di Caprio
Leonardo Da Vinci✔️
Picasso
Leonardo Da Henry

Correct Answer Logic:

Leonardo da Vinci painted the Mona Lisa.

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English Literature QUESTION #688

Question 19

What is the primary focus of Feminist Criticism?

Language structure
Historical context
Gender and power✔️
None of these

Correct Answer Logic:

Feminist criticism examines how literature reinforces or challenges the oppression of women and explores female agency.

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HR and Management QUESTION #6445

Question 20

In HRM, the term 'staffing' encompasses:

Only recruitment and selection processes
HR planning, recruitment, and selection✔️
All HR functions including compensation
Training and development exclusively

Correct Answer Logic:

The text defines staffing as including HR planning, recruitment, and selection. These are the core staffing functions, while other activities like training, compensation, and benefits are separate HR functions.

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