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Psychology QUESTION #9725

Albert Bandura's Bobo doll experiments demonstrated that children can learn aggressive behaviors through:

Classical conditioning
Direct reinforcement
Observational learning✔️
Operant punishment

Correct Answer Logic:

Bandura's Bobo doll experiments showed that children imitated aggressive behaviors they observed in adult models, even without direct reinforcement. This established observational (social) learning as a powerful mechanism of behavior acquisition. Bandura identified four key processes: attention, retention, reproduction, and motivation. This theory became the foundation of Social Learning Theory.

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General Knowledge QUESTION #8797

Question 2

The only vitamin that the human body can manufacture (from sunlight) is:

Vitamin C
Vitamin D✔️
Vitamin K
None above

Correct Answer Logic:

Vitamin D is synthesized in skin upon sun exposure.

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Information Technology QUESTION #1119

Question 3

What is meant by refactoring code in SDLC?

To modify the functionality of software
To improve the code quality✔️
To find out bugs in a software
None of these

Correct Answer Logic:

Code refactoring is the process of restructuring existing computer code—changing the factoring—without changing its external behavior to improve non-functional attributes.

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English QUESTION #2665

Question 4

Find the word opposite in meaning to: 'OPTIMIST'

Pessimist✔️
Idealist
Realist
Artist

Correct Answer Logic:

An optimist looks at the positive; a pessimist looks at the negative.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3069

Question 5

Which 'Sugar' is commonly used in chewable tablets because of its sweet taste and cooling effect?

Glucose
Lactose
Mannitol✔️
Fructose

Correct Answer Logic:

Mannitol provides a pleasant mouthfeel and cooling effect for chewables.

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General Science and Ability QUESTION #245

Question 6

In fish liver oil there is:

Vitamin A only
Vitamin D only
Vitamin A and vitamin E
Vitamin A and Vitamin D✔️

Correct Answer Logic:

Fish liver oil is a potent source of both fat-soluble vitamins A and D.

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Law QUESTION #5659

Question 7

When a criminal act is done by several persons in furtherance of the __________ of all each such person is liable for that act in the same manner as if it were done by him alone.

common intention✔️
common object
Mens Rea
Actus Rea

Correct Answer Logic:

Under Section 34 PPC when a criminal act is done by several persons in furtherance of the common intention of all each such person is liable for that act as if it were done by him alone. This is the doctrine of joint liability based on common intention.

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Aptitude QUESTION #10988

Question 8

A cuboid has dimensions $6 \times 4 \times 3$ units. What is the area of the largest triangular cross-section that can be obtained by cutting the cuboid with a plane passing through exactly three of its vertices?

$3\sqrt{29}$✔️
$6\sqrt{14}$
$12\sqrt{5}$
$18\sqrt{2}$

Correct Answer Logic:

The maximum area triangle uses three vertices not all on the same face, e.g., $(0,0,0)$, $(6,4,0)$, and $(6,0,3)$. Vectors: $\vec{u} = (6,4,0)$ and $\vec{v} = (6,0,3)$. Cross product: $\vec{u} \times \vec{v} = (12, -18, -24)$ with magnitude $\sqrt{144 + 324 + 576} = \sqrt{1044} = 6\sqrt{29}$. Area = $\frac{1}{2} \times 6\sqrt{29} = 3\sqrt{29}$.

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Ability / HR / Governance / Special Education QUESTION #1852

Question 9

Who is the appointing authority for posts in BPS 17 to 19?

Prime Minister
Secretary of the Ministry or Division concerned✔️
An officer notified by the Secretary
Establishment Division

Correct Answer Logic:

Rule 6(1) Table entry (2) specifies the Secretary of the Ministry or Division concerned as appointing authority for posts in BPS 17 to 19.

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Chemistry QUESTION #1088

Question 10

For $\text{A(g)} \rightleftharpoons 2\text{B(g)}$, backward rate constant is 2500 times forward rate constant at 1000 K. $K_p$ at 1000 K is: (R = 0.0831 L atm mol$^{-1}$K$^{-1}$)

0.033✔️
0.021
83.1
$2.077\times10^5$

Correct Answer Logic:

$K_c = \frac{k_f}{k_b} = \frac{1}{2500} = 4\times10^{-4}$. For $\text{A}\rightleftharpoons 2\text{B}$: $\Delta n = 2-1=1$. $K_p = K_c(RT)^{\Delta n} = \frac{1}{2500}\times(0.0831\times1000)^1 = \frac{83.1}{2500} = 0.03324 \approx 0.033$.

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Islamic Studies QUESTION #357

Question 11

"Ghazwa e Mouta" was fought in:

6 AH
7 AH
8 AH✔️
10 AH

Correct Answer Logic:

The Battle of Mu'tah took place in September 629 AD, which corresponds to 8 AH.+1

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General Knowledge QUESTION #8841

Question 12

Sir Creek denotes:

A mountain top in Northern Pakistan
An iceberg of Siachen
An island in the Indian Ocean
None of these (a creek/estuary)✔️

Correct Answer Logic:

Sir Creek is a tidal estuary on the Pakistan-India border.

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Chemistry QUESTION #7413

Question 13

$\text{Be}^{2+}$ is isoelectronic with which of the following ions?

$\text{H}^+$
$\text{Li}^+$✔️
$\text{Na}^+$
$\text{Mg}^{2+}$

Correct Answer Logic:

Be (Z=4): Be²⁺ has $4-2=2$ electrons.

Checking options:

H⁺ (Z=1): 0 electrons
Li⁺ (Z=3): 2 electrons ✓ — isoelectronic with Be²⁺
Na⁺ (Z=11): 10 electrons
Mg²⁺ (Z=12): 10 electrons

Be²⁺ and Li⁺ both have 2 electrons (helium configuration).

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Chemistry QUESTION #1434

Question 14

Which of the following is the primary site for the digestion of carbohydrates?

Stomach
Mouth
Small intestine✔️
None of these

Correct Answer Logic:

Although carbohydrate digestion begins in the mouth (salivary amylase breaks down starch), the primary and most significant site of carbohydrate digestion is the small intestine. Pancreatic amylase and brush-border enzymes (maltase, sucrase, lactase) in the small intestine break down complex carbohydrates and disaccharides into absorbable monosaccharides.

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Dairy Food Science and Technology QUESTION #5977

Question 15

Lactulose is formed in heated milk by:

Fermentation of lactose by lactic acid bacteria
Isomerization of lactose at high temperatures via the Lobry de Bruyn–van Ekenstein rearrangement: the glucose residue of lactose is isomerized to fructose✔️
Enzymatic hydrolysis of lactose by $\beta$-galactosidase
Oxidation of lactose by peroxidase

Correct Answer Logic:

Lactulose (4-O-$\beta$-D-galactopyranosyl-D-fructose) is formed from lactose during heat treatment via the Lobry de Bruyn–van Ekenstein rearrangement. Lactulose is used as a heat damage indicator: HTST milk $<50\;\text{mg/L}$; UHT milk $50\text{–}600+\;\text{mg/L}$; raw milk $\approx 0\;\text{mg/L}$.

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Planning QUESTION #4997

Question 16

What does 'primate city' phenomenon indicate in urban systems?

Equal distribution of city sizes
Dominance of one disproportionately large city✔️
Multiple cities of similar size
Declining urban population

Correct Answer Logic:

A primate city is disproportionately larger (typically 2+ times) than the second-largest city, dominating the urban system economically and politically. Common in developing countries, it often indicates centralized development and regional imbalances.

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