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Enalapril is primarily excreted unchanged by the kidneys (after minimal conversion to enalaprilat). Fluoxetine, phenytoin, and codeine all undergo significant hepatic metabolism.

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Chemistry QUESTION #7129

Question 4

The combustion of benzene releases $CO_{2}(g)$ and $H_{2}O(l)$. At $25^{\circ}C$, the heat of combustion at constant volume ($\Delta U$) is $-3263.9\text{ kJ mol}^{-1}$. Calculate the heat of combustion at constant pressure ($\Delta H$) in $\text{kJ mol}^{-1}$. ($R = 8.314\text{ J K}^{-1}\text{ mol}^{-1}$)

3260
-3267.6✔️
4152.6
-452.46

Correct Answer Logic:

The relationship is given by $\Delta H = \Delta U + \Delta n_g RT$.
Reaction: $C_{6}H_{6}(l) + 7.5O_{2}(g) \rightarrow 6CO_{2}(g) + 3H_{2}O(l)$.
$\Delta n_g = 6 - 7.5 = -1.5$.
$\Delta H = -3263.9 + (-1.5 \times 8.314 \times 10^{-3} \times 298) = -3263.9 - 3.7 = -3267.6\text{ kJ mol}^{-1}$.

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General Abilities QUESTION #4591

Question 5

Simplify: $7y - 2y + 4y$

$3y$
$9y$✔️
$14y$
$5y$

Correct Answer Logic:

Combine like terms: $7y - 2y + 4y = (7-2+4)y = 9y$

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Urdu QUESTION #5134

Question 6

والدِ اقبال نے علامہ اقبال کی آپ بیتی کس نام سے لکھی؟

اقبال نامہ
زندہ رود✔️
اقبال کی زندگی
ان میں سے کوئی نہیں

Correct Answer Logic:

زندہ رود جاوید اقبال کی لکھی ہوئی علامہ اقبال کی سوانح عمری ہے۔

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English QUESTION #2740

Question 7

'He said

"Do not make noise."' — Choose the correct INDIRECT SPEECH.✔️
He said to not make noise.
He told me that do not make noise.
He ordered me not to make noise.

Correct Answer Logic:

2

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5790

Question 8

A drug manufactured by a person who does not hold a valid license is classified as:

Substandard
Spurious✔️
Adulterated
Counterfeit

Correct Answer Logic:

Manufacturing without a license makes the product spurious[cite: 7].

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Therapeutics and Patient Care QUESTION #3904

Question 9

Which ophthalmic medication causes miosis (pupil constriction) and promotes focusing for near vision when instilled into the eye?

Atropine
Timolol
Pilocarpine✔️
Cyclopentolate

Correct Answer Logic:

Pilocarpine is a direct-acting muscarinic agonist that stimulates the sphincter pupillae (miosis) and ciliary muscle contraction (accommodation) when applied topically to the eye.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5808

Question 10

Which section of the Drug Act deals with the 'Powers of Inspectors'?

Section 18
Section 19✔️
Section 20
Section 21

Correct Answer Logic:

Section 19 of the Drug Act 1976 outlines the powers of inspectors[cite: 7].

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Civil Engineering QUESTION #6655

Question 11

The term 'Effective Depth' ($d$) refers to the distance from the extreme compression fiber to:

The bottom of the beam
The centroid of the tension reinforcement✔️
The neutral axis
The centroid of the compression reinforcement

Correct Answer Logic:

Effective depth is a critical parameter in flexural design, representing the internal lever arm's reference to the tension steel.

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Logical Reasoning QUESTION #3961

Question 12

Select the pair with a similar relationship: TEAMMATE : ADVERSARY

felon : criminal✔️
enemy : associate
pacifier : agitator
friend : companion

Correct Answer Logic:

1

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Math (Module-1) QUESTION #5385

Question 13

A data set contains the values $54, 54, 55, 56, 57, 58, 59$. If the value $54$ is removed from this set, how will the mean of the remaining values compare to the original mean?

The mean will increase.✔️
The mean will decrease.
The mean will remain the same.
The change cannot be determined.

Correct Answer Logic:

The value $54$ is the minimum value in the set. Removing the smallest value from a data set always increases the average of the remaining numbers.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3077

Question 14

Which organelle is known as the 'Powerhouse of the Cell' where ATP is produced?

Nucleus
Ribosome
Mitochondria✔️
Golgi Apparatus

Correct Answer Logic:

Mitochondria are responsible for aerobic respiration and energy production.

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General Abilities QUESTION #4579

Question 15

Three numbers have average $12$. Two of them are $10$ and $15$. What is the third?

$11$✔️
$12$
$36$
$9$

Correct Answer Logic:

Sum = $12 \times 3 = 36$. Third number = $36 - 10 - 15 = 11$

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Education QUESTION #7570

Question 16

What is the defining characteristic of "informal education"?

It is acquired through classes conducted in the evenings.
It is acquired through self-study in a library.
It is acquired through daily experiences and interactions.✔️
It is acquired through online courses.

Correct Answer Logic:

Informal education occurs naturally through daily life experiences, interactions with family and community, and incidental learning outside any structured or institutional setting.

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Chemistry QUESTION #1107

Question 17

For phosphoric acid ionizing in three steps with $K_{a1}, K_{a2}, K_{a3}$ and overall K. Which statements are true? A. $\log K = \log K_{a1}+\log K_{a2}+\log K_{a3}$. B. H$_3$PO$_4$ is stronger acid than H$_2$PO$_4^-$ and HPO$_4^{2-}$. C. $K_{a1}>K_{a2}>K_{a3}$. D. $K_{a1}=\frac{K_{a3}+K_{a2}}{2}$

B, C and D only
A, B and C only✔️
A and B only
A and C only

Correct Answer Logic:

A: Overall K = K$_{a1}$$\times$K$_{a2}$$\times$K$_{a3}$, so $\log K=\log K_{a1}+\log K_{a2}+\log K_{a3}$ ✓. B: Each successive ionization is from a more negatively charged species → harder to remove H$^+$ → H$_3$PO$_4$ is strongest ✓. C: $K_{a1}>K_{a2}>K_{a3}$ because successive ionizations from more negative species ✓. D: No such relationship exists — D is false. Correct: A, B, C = option (2).

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