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Study questions platform-wide or filter by specific tests with correct answers revealed.
Biology
QUESTION #7266
Question 2561
In the light of the three-domain classification of life (Bacteria, Archaea, and Eukarya), which statement is true about Archaea?
Correct Answer Logic:
Archaea share some features with prokaryotes (no nucleus, no membrane-bound organelles) and some with eukaryotes (similar RNA polymerase, histones, introns). However, they also possess novel, unique features โ such as ether-linked membrane lipids (isoprene-based), unique cell wall chemistry (pseudopeptidoglycan or none), and unique rRNA sequences โ not found in other domains.
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General Knowledge
QUESTION #4783
Question 2562
Which Nobel Prize category was the last to be established, added in 1968?
Correct Answer Logic:
The Nobel Memorial Prize in Economic Sciences was established in 1968 by Sveriges Riksbank (Sweden's central bank) in memory of Alfred Nobel, making it the most recently added Nobel Prize category.
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Islamic Studies
QUESTION #7918
Question 2563
After the Hijrat to Medina, what was the first important action the Holy Prophet (SAW) took?
Correct Answer Logic:
After arriving in Medina, the Prophet (PBUH) first built Masjid-e-Nabawi (the Prophet's Mosque). This established a center for worship, community gathering, education, and governance. He also established brotherhood (Muakhaat) between Muhajirin and Ansar, created a written constitution (Sahifah al-Medina), and built houses adjacent to the mosque.
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Correct Answer Logic:
Section 95 CPC provides that where an arrest, attachment, or injunction is obtained on insufficient grounds, the Court in the same suit may award reasonable compensation to the defendant on his application. A separate suit is not required.
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Chemistry
QUESTION #7356
Question 2565
Two radiations have energies \(E_1 = 25\) eV and \(E_2 = 50\) eV. The relationship between their wavelengths \(\lambda_1\) and \(\lambda_2\) is:
Correct Answer Logic:
Using: \(E = \dfrac{hc}{\lambda}\), so \(\lambda \propto \dfrac{1}{E}\)
\(\dfrac{\lambda_1}{\lambda_2} = \dfrac{E_2}{E_1} = \dfrac{50}{25} = 2\)
Therefore \(\lambda_1 = 2\lambda_2\).
Higher energy photons have shorter wavelengths โ a fundamental relationship from Planck's quantum theory.
\(\dfrac{\lambda_1}{\lambda_2} = \dfrac{E_2}{E_1} = \dfrac{50}{25} = 2\)
Therefore \(\lambda_1 = 2\lambda_2\).
Higher energy photons have shorter wavelengths โ a fundamental relationship from Planck's quantum theory.
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Civil Procedure
QUESTION #5679
Question 2566
During a deposition, an attorney instructs a witness not to answer a question. Under Rule 30(c)(2), this is permissible ONLY when necessary to:
Correct Answer Logic:
Rule 30(c)(2) strictly limits when an attorney may instruct a deponent not to answer: only to preserve a privilege, enforce a court-ordered limitation, or move to terminate/limit the deposition.
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Correct Answer Logic:
This is a direct application of Dreikurs' Logical Consequences model, which advises teachers to identify students' 'mistaken goals' (such as the desire for power) and redirect that goal constructively โ engaging such students in legitimate leadership roles rather than engaging in power struggles with them.
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Physics
QUESTION #4391
Question 2568
If $P$ is the momentum of an object and $m$ is its mass, then its kinetic energy is:
Correct Answer Logic:
$KE = \dfrac{1}{2}mv^2$. Since $P = mv$, we have $v = \dfrac{P}{m}$. Substituting: $KE = \dfrac{1}{2}m\left(\dfrac{P}{m}\right)^2 = \dfrac{1}{2}m \cdot \dfrac{P^2}{m^2} = \dfrac{P^2}{2m}$.
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General Abilities
QUESTION #4616
Question 2569
What is $|{-7}|$?
Correct Answer Logic:
Absolute value is always non-negative. $|{-7}| = 7$
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Correct Answer Logic:
Under Federal Rule of Evidence 404(a), character evidence is generally inadmissible to prove that on a particular occasion the person acted in accordance with the character (propensity), unless the defendant first introduces evidence of their own good character.
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Correct Answer Logic:
The conclusion is that nitrogen fertilization in moderate change can 'more than offset' the effect of climate change. Option D supports this by showing nitrogen-aided growth in 'moderate change' is higher than natural growth in the 'current' climate.
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Tourism & Hospitality Management
QUESTION #1613
Question 2572
The Tourism and Hospitality Laws course addresses 'the law of tort' as relevant to hospitality operations. Which of the following scenarios would most directly engage tort law in a hotel context?
Correct Answer Logic:
The Tourism and Hospitality Laws course covers torts โ specifically negligence, trademark infringement, and fraud โ in Module 2. A guest injured due to the hotel's failure to maintain safe premises (e.g., an unmarked wet floor) is a classic negligence tort scenario in which the hotel owes a duty of care and may be held liable for breach of that duty.
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Logical Reasoning
QUESTION #4426
Question 2573
All daffodils are plants. All plants are living things. Some living things are real. Which conclusions follow? I. All daffodils are living things. II. Some living things are flowers. III. All daffodils are real.
Correct Answer Logic:
From the premises: All daffodils $\subseteq$ plants, and all plants $\subseteq$ living things, so all daffodils $\subseteq$ living things โ Conclusion I is valid. Conclusion II introduces 'flowers' which is not mentioned in any premise โ invalid. Conclusion III cannot be confirmed because only 'some' living things are real, and daffodils may or may not be among them โ invalid. Only Conclusion I follows.
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English
QUESTION #8570
Question 2574
What does the idiom 'to fish in troubled waters' mean?
Correct Answer Logic:
'Fish in troubled waters' means to exploit a disturbed situation for personal gain.
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Boilers Mechanical Engineering
QUESTION #2465
Question 2575
In epicyclic (planetary) gear trains, the contour method velocity equation requires that the sum of relative angular velocities around a closed loop satisfies:
Correct Answer Logic:
The velocity equations for a simple closed kinematic chain: \(\sum_i v_{i,i-1}=0\) and \(\sum_i \overrightarrow{AA_i}\times v_{i,i-1}=0\).
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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy))
QUESTION #5734
Question 2576
What is the defining characteristic of 'Ambulatory Care' compared to 'Inpatient Care'?
Correct Answer Logic:
Ambulatory care is provided to outpatients who are not admitted.
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Home Economics
QUESTION #6248
Question 2577
Which process involves the breakdown of fats into fatty acids and glycerol?
Correct Answer Logic:
Lipolysis is the metabolic process through which triglycerides are broken down into glycerol and free fatty acids.
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Security Measures to Maintain Law and Order
QUESTION #914
Question 2578
The legal definition of an "Airport" as per Section 2 includes:
Correct Answer Logic:
Section 2(b) refers to the definition provided in the Civil Aviation Ordinance, 1960.
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Education
QUESTION #6909
Question 2579
A teacher plans lessons at 'current level + 1.' What theoretical framework does this instructional strategy MOST directly reflect, and why is it significant for classroom management?
Correct Answer Logic:
The 'current level + 1' principle directly mirrors Vygotsky's Zone of Proximal Development (ZPD) โ the space between what a student can do independently and what they can achieve with guidance. Instruction at this level maximizes cognitive engagement. When instruction is far above this zone (causing frustration) or below it (causing boredom), behavioral disruption is more likely.
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Agronomy
QUESTION #2017
Question 2580
Primary tillage differs from secondary tillage in that primary tillage:
Correct Answer Logic:
Primary tillage refers to deep initial tillage (e.g., moldboard or disc plowing) performed after harvest to break up compacted soil. Secondary tillage involves shallower, finer operations (harrowing, leveling) performed closer to sowing to refine the seedbed.
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