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Agronomy QUESTION #2068

Relay intercropping is distinguished from simultaneous intercropping in that:

Both crops are planted on the same date in relay cropping
In relay intercropping, the second crop is planted into the standing first crop before it is harvested, so the two crops overlap only for part of their respective growing seasons — optimizing land use and extending the effective growing season✔️
Relay cropping always involves a cereal–legume combination while simultaneous intercropping is limited to two cereals
Relay intercropping requires wider row spacing than simultaneous intercropping

Correct Answer Logic:

Relay intercropping staggers planting times: Crop 1 is established first, and Crop 2 is seeded into it while Crop 1 is still growing (often near maturity). This extends total land occupancy, reduces competition during critical periods, and allows double or triple cropping in areas with short growing seasons — e.g., wheat–mungbean relay in Punjab.

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Chemistry QUESTION #1016

Question 5342

The alkane from below having exactly two secondary hydrogens is:

4-Ethyl-3,4-dimethyloctane
2,2,3,3-Tetramethylpentane✔️
2,2,4,5-Tetramethylheptane
2,2,4,4-Tetramethylhexane

Correct Answer Logic:

In 2,2,3,3-tetramethylpentane: \(\text{CH}_3\text{C(CH}_3)_2\text{-C(CH}_3)_2\text{-CH}_2\text{CH}_3\). The \(\text{-CH}_2\text{-}\) group has 2 secondary H atoms and the terminal \(\text{CH}_3\) of ethyl has... carefully counting only secondary carbons (bonded to exactly 2 carbons): 2,2,3,3-tetramethylpentane has exactly 2 secondary H atoms.

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General Knowledge QUESTION #8960

Question 5343

'Pearl Harbor' is located in which US state?

Alaska
Hawaii✔️
Virginia
New York

Correct Answer Logic:

Pearl Harbor is in Hawaii.

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English QUESTION #2709

Question 5344

Identify the correct usage: 'We must ___ to the new environment.'

Adopt
Adapt✔️
Adept
Adore

Correct Answer Logic:

'Adapt' means to adjust; 'adopt' means to take as one's own; 'adept' means skilled.

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Ability / HR / Governance / Special Education QUESTION #1800

Question 5345

According to Rule 39, where a performance guarantee is required by a procuring agency, it shall not exceed what percentage of the contract amount?

Five percent
Seven percent
Ten percent✔️
Fifteen percent

Correct Answer Logic:

Rule 39 provides that where a performance guarantee is needed and has been clearly expressed in the bidding documents, the procuring agency shall require the successful bidder to furnish a performance guarantee which shall not exceed ten percent of the contract amount.

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Math Physics Chemistry Biology QUESTION #789

Question 5346

Which is universal solvent?

Water✔️
HCl
Ether
None

Correct Answer Logic:

Water is called the universal solvent because it can dissolve more substances than any other liquid due to its polar nature and ability to form hydrogen bonds.

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Quantitative Reasoning QUESTION #7209

Question 5347

Historical inquiry reveals two somewhat opposing truths that once sounded (i)_____ but now seem profound: all knowledge of the past derives entirely from written documents, lending written words immense (ii)_____, and the more source material one uncovers, the more (iii)_____ the subject becomes.

Blank (i)	Blank (ii)	Blank (iii)
A. deep	D. consequence	G. elusive
B. portentous	E. antiquity	H. contemporary
C. banal	F. simultaneity	I. circumstantial

Blank (i) = deep, , Blank (ii) = consequence, Blank (iii) = elusive
Blank (i) = portentous,, Blank (ii) = antiquity, Blank (iii) = contemporary
Blank (i) = banal, Blank (ii) = consequence, Blank (iii) = elusive✔️
Blank (i) = banal, Blank (ii) = antiquity, Blank (iii) = circumstantial

Correct Answer Logic:

This three-blank question requires identifying the logical relationship between ideas.

Blank (i): The sentence says these truths “sounded _____ but come to seem profound.” The contrast needs a word meaning the opposite of profound — something that initially sounds obvious or unimpressive. Banal means commonplace, unoriginal, or dull. A banal-sounding truth that becomes profound is the classic “deceptively simple” insight. “Deep” and “portentous” both imply weightiness — the opposite of what’s needed here.

Blank (ii): Since all historical knowledge flows from written documents, those documents carry enormous importance. Consequence means importance or significance. “Antiquity” relates to age (not the point), and “simultaneity” means occurring at the same time (irrelevant).

Blank (iii): The paradox is that more material makes the subject harder to pin down. Elusive means hard to grasp or define — perfect. “Contemporary” means modern (irrelevant), and “circumstantial” means based on indirect evidence (doesn’t fit the logic).

Correct Answers: Blank (i) = C (banal), Blank (ii) = D (consequence), Blank (iii) = G (elusive).

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Pakistan Affairs QUESTION #4678

Question 5348

The Diamer-Bhasha Dam in Pakistan has been planned on which river?

Jhelum
Chenab
Indus✔️
Kabul

Correct Answer Logic:

The Diamer-Bhasha Dam is a gravity dam being constructed on the Indus River in the Gilgit-Baltistan region of Pakistan. It will be one of the largest dams in the world when completed.

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Physics and Math QUESTION #778

Question 5349

\(\left(\dfrac{1 - \sqrt{3}i}{2}\right)^4 = ?\)

\(\dfrac{-1 + \sqrt{3}i}{2}\)✔️
\(\dfrac{-1 - \sqrt{3}i}{2}\)
\(\left(\dfrac{-1 + \sqrt{3}i}{2}\right)^2\)
None

Correct Answer Logic:

\(\dfrac{1-\sqrt{3}i}{2}\) is a complex cube root of unity \(\omega^2\), so \((\omega^2)^4 = \omega^8 = \omega^2 \cdot \omega^6 = \omega^2 = \dfrac{-1+\sqrt{3}i}{2}\).

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Mathematics QUESTION #976

Question 5350

If the system of linear equations \(x+y+2z=6\), \(2x+3y+az=a+1\), \(-x-3y+bz=2b\), where \(a,b\in\mathbb{R}\), has infinitely many solutions, then \(7a+3b\) is equal to:

16✔️
12
22
9

Correct Answer Logic:

For infinitely many solutions, the determinant of coefficient matrix \(=0\) and the augmented matrix is consistent. Solving the determinant condition and consistency condition gives \(a\) and \(b\), then \(7a+3b=16\).

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Physics and Math QUESTION #775

Question 5351

If eccentricity \(e > 1\), then the figure is:

Ellipse
Parabola
Circle
Hyperbola✔️

Correct Answer Logic:

For conic sections: \(e = 0\) circle, \(0 < e < 1\) ellipse, \(e = 1\) parabola, \(e > 1\) hyperbola.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3251

Question 5352

The 'Pleural Cavity' is a fluid-filled space that:

Protects the heart
Protects the lungs and reduces friction during breathing✔️
Contains the stomach
Stores air

Correct Answer Logic:

The pleura allow the lungs to slide smoothly against the chest wall.

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Chemistry QUESTION #1430

Question 5353

According to Hess's law:

Enthalpy change depends on reaction pathway
Enthalpy change is path independent✔️
Enthalpy depends on final state only
Enthalpy change includes entropy changes

Correct Answer Logic:

Hess's Law of constant heat summation states that the total enthalpy change for a chemical reaction is independent of the reaction pathway — it depends only on the initial and final states. This is a consequence of enthalpy being a state function. It allows calculation of \(\Delta H\) for reactions that cannot be measured directly by adding the \(\Delta H\) values of individual steps.

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Therapeutics and Patient Care QUESTION #3909

Question 5354

Which symptom cluster is most typically associated with left-sided cardiac failure due to pulmonary congestion?

Jugular venous distension and shortness of breath
Hepatojugular reflux and abdominal distension
Paroxysmal nocturnal dyspnoea and hepatojugular reflux
Shortness of breath and paroxysmal nocturnal dyspnoea✔️

Correct Answer Logic:

Left heart failure causes pulmonary congestion with symptoms of shortness of breath, orthopnoea, and paroxysmal nocturnal dyspnoea. Jugular venous distension and hepatojugular reflux are signs of right heart failure.

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CISA QUESTION #6829

Question 5355

During a SOX compliance audit, the auditor discovers that significant control weaknesses identified 85 days ago have not been reported to the audit committee. What is the PRIMARY compliance violation?

Delayed remediation
Failure to disclose significant weaknesses to audit committee within required 90-day period✔️
Inadequate control design
Insufficient audit frequency

Correct Answer Logic:

SOX regulations require that all significant weaknesses be disclosed to the audit committee every 90 days. At 85 days, the organization is nearing violation of this requirement. Timely disclosure to the audit committee is a specific regulatory obligation separate from remediation timelines.

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Mathematics QUESTION #4107

Question 5356

The residue of \(\dfrac{5Z-2}{Z(Z-1)}\) at the pole \(Z=0\) is:

\(3\)
\(2\)✔️
\(5\)
\(-2\)

Correct Answer Logic:

Residue at simple pole \(Z=0\): \(\lim_{Z\to0}Z\cdot\dfrac{5Z-2}{Z(Z-1)}=\lim_{Z\to0}\dfrac{5Z-2}{Z-1}=\dfrac{0-2}{0-1}=\dfrac{-2}{-1}=2\). So Res\(_{Z=0}=2\).

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CISA QUESTION #6831

Question 5357

An IS auditor evaluates encryption implementation and finds that data at rest is encrypted using AES-256, but encryption keys are stored on the same server in a plaintext configuration file. What is the MOST critical finding?

Weak encryption algorithm
Ineffective key management negates encryption protection✔️
Poor documentation
Insufficient key length

Correct Answer Logic:

Encryption is only as strong as key management. Storing encryption keys in plaintext on the same system as encrypted data provides no real protection—an attacker who gains access to the encrypted data can immediately access the keys. This represents a fundamental failure in cryptographic implementation.

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General Knowledge QUESTION #8911

Question 5358

The latest country to become a member of the United Nations (at the time) was:

Montenegro
East Timor (Timor-Leste)✔️
Micronesia
Tonga

Correct Answer Logic:

South Sudan (2011) is newest, but among options East Timor (2002) is correct.

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General Knowledge QUESTION #8897

Question 5359

Kargil is located in which region?

Held Kashmir (Indian-administered)✔️
Azad Kashmir
Gilgit
Northern Areas

Correct Answer Logic:

Kargil is in Indian-administered Ladakh.

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Accounting Finance and Punjab Sales Tax on Services QUESTION #2564

Question 5360

Under section 11A, where a registered person receiving a taxable service fails to pay the tax to the service provider within how many days from the date of the tax invoice, and the provider has also not paid within the due date, both parties become jointly and severally liable?

Ninety days
One hundred and twenty days
One hundred and eighty days✔️
Two hundred and forty days

Correct Answer Logic:

Section 11A clearly states that where a registered person receiving the taxable service fails to make payment of the tax to a service provider within ONE HUNDRED AND EIGHTY days from the date of the tax invoice, and such service provider has also not made payment within the prescribed due date, both parties shall jointly and severally be liable.

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