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Biology Zoology Botany QUESTION #10824

Flat fish
Cuttle fish✔️
Silver fish
Star fish

Correct Answer Logic:

Cuttle fish (cuttlefish, Sepia spp.) belong to the class Cephalopoda, phylum Mollusca. They are intelligent, soft-bodied animals with a unique internal shell (cuttlebone), eight arms, and two tentacles. Flat fish (e.g. sole, flounder) and silver fish are vertebrates (Chordata); star fish (sea stars) are Echinoderms. Other molluscs include snails, clams, squid, and octopus.

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Quantitative Reasoning QUESTION #8034

Question 2

FAULTFINDER : CRITICIZE :: (Find the pair that best matches the relationship between the given words)

luminary : recognize
athlete : cheer
arbitrator : mediate✔️
pharmacist : prescribe

Correct Answer Logic:

A FAULTFINDER's defining activity is to CRITICIZE — it's their core function. An arbitrator's defining activity is to mediate — that is precisely what they do by role. Both pairs = [person defined by a role] : [the action that defines that role]. 'Luminary:recognize' and 'pharmacist:prescribe' are weaker because prescribing is part of a pharmacist's job but not their sole defining function.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3549

Question 3

The 'Stomata' are tiny pores mostly found on:

Roots
Stems
Leaves✔️
Seeds

Correct Answer Logic:

Stomata are used for gas exchange and transpiration.

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Library Sciences QUESTION #1577

Question 4

Which preservation technique involves creating a digital surrogate of a rare or fragile physical item to reduce handling of the original while ensuring long-term access?

Lamination
Fumigation
Digitization✔️
Microfilming

Correct Answer Logic:

Digitization converts rare, fragile, or unique physical items (manuscripts, maps, photographs) into digital surrogates, allowing users to access the content without handling the original — thereby reducing physical wear, environmental exposure, and the risk of damage while ensuring broad and persistent access.

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Biology Zoology Botany QUESTION #10829

Question 5

In arthropods, the heart is located on which side of the body?

Lateral side
Ventral side
Dorsal side✔️
Dorsolateral side

Correct Answer Logic:

In arthropods, the heart is positioned on the dorsal side (back) of the body — they have a dorsal, tubular heart. This contrasts with vertebrates, where the heart is ventral. The arthropod circulatory system is open: the dorsal heart pumps haemolymph into open sinuses (haemocoel) that bathe the tissues directly. The haemolymph re-enters the heart through lateral openings called ostia.

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English QUESTION #7646

Question 6

Beauty and the beast:

Of opposite sex
A perpetually mismatched status
A lovely woman with an ugly man✔️
None of these

Correct Answer Logic:

'Beauty and the beast' is an idiom that refers to a pairing of a beautiful woman with an unattractive man, or more broadly, any stark contrast between two people or things. It comes from the classic fairy tale and represents an unlikely or contrasting pair.

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Boilers Mechanical Engineering QUESTION #2545

Question 7

For a wrench (screw) resultant, the pitch $p$ of the wrench is defined as:

$p = \mathbf{R}\times\mathbf{M}_R$
$p = \frac{|\mathbf{M}_R|}{|\mathbf{R}|}$✔️
$p = |\mathbf{R}| \cdot |\mathbf{M}_R|$
$p = \frac{|\mathbf{R}|}{|\mathbf{M}_R|}$

Correct Answer Logic:

For a wrench, $\mathbf{M}_R$ is parallel to $\mathbf{R}$. The pitch is defined as the ratio $p=M_R/R$ (couple moment per unit force), with units of length.

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Home Economics QUESTION #6237

Question 8

Which weave is known for its characteristic diagonal lines on the fabric surface?

Plain weave
Satin weave
Twill weave✔️
Basket weave

Correct Answer Logic:

Twill weave, commonly seen in denim, creates a distinct diagonal rib or pattern.

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General Knowledge QUESTION #11496

Question 9

To display headers and footers in classic MS Word menu view, select Header and Footer from the:

View menu✔️
Edit menu
Format menu
Tools menu

Correct Answer Logic:

In MS Word 2003 and earlier, headers/footers are accessed via View → Header and Footer. In Word 2007+, they are under Insert → Header & Footer group, or by double-clicking the header/footer area in Print Layout view.

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Social Studies QUESTION #10011

Question 10

In which year was Pakistan's 'Protection against Harassment of Women at the Workplace Act' passed?

2005
2010✔️
2015
None of these

Correct Answer Logic:

The Act was passed in 2010.

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Boilers Mechanical Engineering QUESTION #2392

Question 11

The final value theorem, used to find the steady-state output $x_o(\infty)$ from the Laplace transform $X_o(s)$, states:

$x_o(\infty) = \lim_{s\to\infty} s X_o(s)$
$x_o(\infty) = \lim_{s\to 0} s X_o(s)$✔️
$x_o(\infty) = \lim_{s\to 0} X_o(s)$
$x_o(\infty) = \lim_{s\to\infty} X_o(s)$

Correct Answer Logic:

Final value theorem: $x_o(\infty)=\lim_{t\to\infty}x_o(t)=\lim_{s\to0}sX_o(s)$. Valid when all poles of $sX_o(s)$ are in the left-half s-plane. Used to find steady-state error without inverting the Laplace transform.

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Geography QUESTION #1247

Question 12

The process involved in Himalayan orogeny is:

Volcanism
Plate convergence✔️
Plate divergence
None of these

Correct Answer Logic:

The Himalayan mountain range was formed by the convergence (collision) of the Indian Plate and the Eurasian Plate, which began approximately 50 million years ago. As the Indian subcontinent moved northward and collided with Eurasia, the intervening Tethys Sea sediments were folded and uplifted to form the Himalayas. This is a classic example of continent-continent collision.

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Math Physics Chemistry Biology QUESTION #4297

Question 13

A baby girl is born with hemophilia, which is an X-linked recessive disorder. What are the most likely genotypes of her parents?

The mother is a carrier and the father is normal
The mother is hemophiliac and the father is normal
The mother is carrier and the father is hemophiliac✔️
Both are normal

Correct Answer Logic:

For a girl to have hemophilia ($X^h X^h$), she must receive $X^h$ from both parents. The mother must be a carrier ($X^H X^h$) and the father must be hemophiliac ($X^h Y$).

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Business, Public administration and Policy QUESTION #10517

Question 14

The concept of "bounded rationality" in decision-making was introduced by:

Max Weber
Abraham Maslow
Herbert Simon✔️
Frederick Taylor

Correct Answer Logic:

Herbert Simon introduced bounded rationality in his 1947 work Administrative Behavior, arguing that human decision-makers cannot achieve perfect rationality due to cognitive limitations, incomplete information, and time constraints. Instead of optimizing, they satisfice — choosing a solution that is 'good enough.' This challenged the classical rational model and earned Simon the Nobel Prize in Economics (1978). Note: The options in the original paper listed 'None of these' as the correct answer since Herbert Simon was not among the options.

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General Knowledge QUESTION #11573

Question 15

In classic MS Word, which menu provides options to alter font size and style?

View
Tools
Format✔️
Data

Correct Answer Logic:

In MS Word 2003 and earlier, font size and typeface changes are made via the Format menu → Font. In Word 2007+ (ribbon), font formatting is in the Home tab → Font group, with font name, size, bold, italic, underline, and colour options all accessible in one location.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3186

Question 16

During 'Depolarization' of an action potential, which ion rushes into the cell?

$K^+$
$Na^+$✔️
$Ca^{2+}$
$Cl^-$

Correct Answer Logic:

Opening of voltage-gated sodium channels allows $Na^+$ to enter, making the membrane potential more positive.

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Mathematics QUESTION #7455

Question 17

If the image of the point $P(1, -2, 3)$ in the plane $2x + 3y - 4z + 22 = 0$ measured parallel to the line $\frac{x}{1} = \frac{y}{4} = \frac{z}{5}$ is Q, then PQ is equal to:

$3\sqrt{5}$
$2\sqrt{42}$
$\sqrt{42}$
$6\sqrt{5}$✔️

Correct Answer Logic:

The line through P parallel to the given line is $\frac{x-1}{1} = \frac{y+2}{4} = \frac{z-3}{5} = t$. Points on this line: $(1+t, -2+4t, 3+5t)$. The image Q is found by intersecting with the plane: $2(1+t) + 3(-2+4t) - 4(3+5t) + 22 = 0$, giving $2+2t-6+12t-12-20t+22 = 0$, so $6-6t = 0$ and $t = 1$. The point on the plane is $(2, 2, 8)$. Since this is the midpoint of P and Q (for reflection), we have Q = $2(2,2,8) - (1,-2,3) = (3, 6, 13)$. Distance PQ = $\sqrt{(3-1)^2+(6+2)^2+(13-3)^2} = \sqrt{4+64+100} = \sqrt{168} = 2\sqrt{42}$. But wait, the problem says 'measured parallel to', not 'reflection in'. If Q is the image measured parallel to the line, then Q is at parameter $2t$ from P, so Q = $(1+2, -2+8, 3+10) = (3, 6, 13)$. PQ = $\sqrt{4+64+100} = \sqrt{168} = 2\sqrt{42}$. This is option B, but the correct answer given is D. Let me reconsider the problem statement.

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General Knowledge QUESTION #9006

Question 18

The ability to know the thoughts of others without communication is called:

Telepathy✔️
Psychology
Telecommunication
Psychiatry

Correct Answer Logic:

Telepathy is the supposed ability to read minds.

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Psychology QUESTION #9770

Question 19

Group intelligence testing is considered superior to individual intelligence testing.

True
False✔️
Sometimes
Depends on age group

Correct Answer Logic:

False. Individual testing (e.g., Wechsler scales) is more accurate because examiners can observe behaviour, establish rapport, and adapt to the individual. Group tests sacrifice precision for efficiency.

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Administration QUESTION #2943

Question 20

What is the primary focus of "Supply Chain Management" (SCM)?

Managing the internal social media of a corporation
Coordinating the flow of goods and services from origin to consumption✔️
Focusing solely on the final retail sale of a product
None of these

Correct Answer Logic:

SCM involves the oversight of materials, information, and finances as they move in a process from supplier to manufacturer to wholesaler to retailer.

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