Reading Mode - Questions

Providing carbon skeleton for amide synthesis and nitrogen export to shoots
Maintaining microaerophilic conditions within the infected nodule cells — binding O₂ at high affinity to supply it to bacteroid respiration while keeping free O₂ concentration low enough to protect the oxygen-sensitive nitrogenase enzyme from irreversible inactivation✔️
Transporting fixed nitrogen (as ureides or amides) from nodule to xylem
Synthesizing ATP required for the high energy demand of the nitrogenase reaction

Correct Answer Logic:

Leghemoglobin (a plant-encoded heme protein, heme supplied by bacteroid) maintains the paradox of nodule metabolism: bacteroids need O₂ for ATP production (nitrogenase is highly energy-demanding: 16 ATP/N₂) but nitrogenase is irreversibly destroyed by O₂. Leghemoglobin buffers O₂ at ~10⁻⁸ M (vs atmospheric ~0.2 mM), supplying O₂ for respiration while keeping free O₂ below inhibitory levels — the pink nodule color indicates active BNF.

Uploaded by: Fani Warraich

Tourism & Hospitality Management QUESTION #1631

Question 2245

The Travel & Tour Operations course identifies the distinction between a 'wholesale travel agency' and a 'tour operator.' Which of the following best captures this distinction as covered in the curriculum?

A wholesale travel agency sells only airline tickets; a tour operator sells only hotel rooms
A wholesale travel agency acts as an intermediary distributing products created by others, while a tour operator creates, packages, and prices its own tour products by combining transport, accommodation, and services✔️
A wholesale travel agency is government-owned; a tour operator is privately owned
A wholesale travel agency operates internationally; a tour operator operates only domestically

Correct Answer Logic:

The Travel & Tour Operations course (Module 1) specifically addresses the 'Distinction between wholesale travel agency and tour operator business.' A wholesale travel agency distributes and resells tourism products, while a tour operator creates original packaged products by combining and contracting transport, accommodation, meals, and activities — assuming principal liability for the package.

Uploaded by: Fani Warraich

Physics and Math QUESTION #742

Question 2246

If the distance is doubled between two charges then Coulomb's force becomes:

Doubled
Half
Reduced 4 times✔️
Remains same

Correct Answer Logic:

By Coulomb's law F = kq1q2/r². If r is doubled F = kq1q2/(2r)² = F/4. Force reduces to one-fourth.

Uploaded by: Fani Warraich

Basic Mathematics QUESTION #2849

Question 2247

Find the area of a rectangle with length 15 m and breadth 8 m.

90 m²
100 m²
120 m²✔️
125 m²

Correct Answer Logic:

Area of rectangle \(= \text{length} \times \text{breadth} = 15 \times 8 = 120 \text{ m}^2\).

Uploaded by: Fani Warraich

English QUESTION #2669

Question 2248

Find the word opposite in meaning to: 'HOSTILE'?

Friendly✔️
Angry
Violent
Silent

Correct Answer Logic:

'Hostile' means showing opposition or dislike; 'friendly' is the antonym.

Uploaded by: Fani Warraich

Civil Procedure QUESTION #3694

Question 2249

In a federal jury trial, the judge provides jury instructions. The defendant's counsel disagrees with one instruction but decides not to object until after the jury begins deliberations to avoid 'annoying the judge.' Can the defendant later appeal the instruction?

Yes, jury instructions are reviewed de novo on appeal regardless of objection.
No, the party must object on the record before the instructions are delivered to preserve the error.
Yes, but only if the court finds that the instruction constituted plain error affecting substantial rights.✔️
No, unless the judge specifically granted permission to object later.

Correct Answer Logic:

Under Rule 51(d)(2), a court may consider a plain error in the instructions that has not been preserved as required by Rule 51(d)(1) if the error affects substantial rights.

Uploaded by: Fani Warraich

Architecture QUESTION #2373

Question 2250

In the context of Town Planning, the concept of a 'Neighbourhood Unit' as proposed by Clarence Perry (1920s) specifies that the unit should be sized to support one elementary school, with the recommended population being approximately:

500–1,000 persons
3,000–5,000 persons✔️
10,000–15,000 persons
20,000–25,000 persons

Correct Answer Logic:

Clarence Perry's Neighbourhood Unit (1929) was sized to support one elementary school, with a recommended population of approximately 3,000–5,000 persons within a ¼-mile (400 m) walking radius from the centre. The unit is bounded by arterial roads (not penetrated by through traffic), with parks/open spaces, local shops, and community facilities at its centre. This concept influenced modern residential planning and the Garden City movement.

Uploaded by: Fani Warraich

Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3051

Question 2251

Mixing 'Acacia' with 'Alcohol' causes:

A new drug to form
Acacia to precipitate✔️
A change in flavor
No reaction

Correct Answer Logic:

Acacia is a gum; alcohol is a non-solvent for gums and will cause precipitation.

Uploaded by: Fani Warraich

English QUESTION #2640

Question 2252

Identify the part of speech for the underlined word: 'The team played *exceptionally* well today.'

Adjective
Adverb✔️
Noun
Conjunction

Correct Answer Logic:

The word 'exceptionally' modifies the adverb 'well,' and words that modify verbs, adjectives, or other adverbs are adverbs.

Uploaded by: Fani Warraich

Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3214

Question 2253

'Cortisol' is known as the 'Stress Hormone' and is produced by the:

Adrenal Medulla
Adrenal Cortex✔️
Pancreas
Thymus

Correct Answer Logic:

The adrenal cortex releases glucocorticoids like cortisol during prolonged stress.

Uploaded by: Fani Warraich

Physics and Math QUESTION #741

Question 2254

Least distance of distinct vision for human eye is:

50 cm
25 cm✔️
30 cm
20 cm

Correct Answer Logic:

The near point or least distance of distinct vision for a normal human eye is 25 cm.

Uploaded by: Fani Warraich

English QUESTION #2750

Question 2255

Choose the correct PREPOSITION: 'The meeting will take place ___ Monday morning.'

in
at
on✔️
during

Correct Answer Logic:

'On' is used with specific days and dates (e.g., on Monday, on Friday, on 5th March). Therefore 'on Monday morning' is correct.

Uploaded by: Fani Warraich

Education QUESTION #1489

Question 2256

According to Piaget, a child in the Concrete Operational stage (ages 7–11) gains the concept of conservation. What does conservation mean?

Objects disappear when out of sight
The amount of matter stays the same even when its appearance changes✔️
Children can think abstractly
Children become highly egocentric

Correct Answer Logic:

Conservation means that the amount, weight, volume, and number of things stay the same even when the outward appearance of objects or groups is changed — for example, a short wide glass holds the same water as a tall narrow glass.

Uploaded by: Fani Warraich

Others section QUESTION #4724

Question 2257

Biman is the national airline of which country?

Sri Lanka
Nepal
Bangladesh✔️
Myanmar

Correct Answer Logic:

Biman Bangladesh Airlines is the national flag carrier of Bangladesh, established in 1972 after the country's independence.

Uploaded by: Fani Warraich

Chemistry QUESTION #426

Question 2258

The products of the fermentation of a sugar are ethanol and

Water
Oxygen
Carbon dioxide✔️
Sulfur dioxide

Correct Answer Logic:

Alcoholic fermentation produces ethanol and CO?

Uploaded by: Fani Warraich

Tourism & Hospitality Management QUESTION #1579

Question 2259

According to the BS Tourism & Hospitality curriculum, which of the following best defines 'tourism' in terms of its essential components?

The movement of people from one place to another for leisure only
A system encompassing travel, accommodation, infrastructure, superstructure, related industries, and natural and cultural resources✔️
The management of hotels and restaurants in a destination
The marketing and promotion of a country's natural attractions

Correct Answer Logic:

The curriculum's Introduction to Tourism & Hospitality defines tourism as a comprehensive system that includes travel modes (air, sea, road), accommodation (hotels & restaurants), infrastructure, superstructure, composition, related industries, and both natural and cultural resources — not merely leisure movement.

Uploaded by: Fani Warraich

Architecture QUESTION #2371

Question 2260

In the design of a retaining gravity wall, the factor of safety against overturning about the toe is computed as the ratio of the resisting moment \(M_R\) to the overturning moment \(M_O\). The minimum acceptable factor of safety against overturning per standard geotechnical practice is typically:

1.0
1.5✔️
2.0
3.0

Correct Answer Logic:

The minimum factor of safety against overturning for retaining walls is typically \(FS_{OT} \geq 1.5\) per most codes and references (including Das, Bowles). The factor of safety against sliding is typically \(FS_{sliding} \geq 1.5\), and against bearing capacity failure \(FS_{BC} \geq 3.0\). Some codes require \(FS_{OT} \geq 2.0\) for critical structures.

Uploaded by: Fani Warraich

More Options

Suggest a Question