Reading Mode - Questions

The primary risks during the BPR design phase are improper scope definition, lack of required skills, political resistance from stakeholders, and insufficient management support — collectively categorized as scope risk, skill risk, and political risk.

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Biology Zoology Botany QUESTION #1369

Question 1347

The study of heritable changes in gene expression without alteration in the underlying DNA sequence is called:

Epigenetics✔️
Genetics
Genomics
Evolutionary biology

Correct Answer Logic:

Epigenetics is the study of heritable changes in gene expression that do not involve changes to the underlying DNA sequence. Mechanisms include DNA methylation, histone modification, and non-coding RNA regulation. These changes can be influenced by the environment and may be passed from parent to offspring, affecting gene activity without altering the genetic code.

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Geography QUESTION #1234

Question 1348

The ______ is an amphitheater-like valley formed by glacial erosion.

Cirque✔️
Kettle
Esker
None of these

Correct Answer Logic:

A cirque (also called a corrie or cwm) is a bowl-shaped, amphitheater-like depression formed by glacial erosion at the head of a valley glacier. It is created by the rotational movement of ice and freeze-thaw action. A kettle is a depression left by a melting ice block; an esker is a ridge of glacial sand and gravel.

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Reading and Writing (Module-1) QUESTION #5436

Question 1349

Tannen says debate-driven formats are less informative than multiple perspectives. Students tested debate vs panel vs single commentator. Which finding most supports Tannen?

Participants saw debate commentators as more knowledgeable than panel.
Participants saw panel as more knowledgeable than single commentator.
Panel viewers answered more questions correctly than debate or single viewers.✔️
Single commentator viewers answered more questions correctly than debate viewers.

Correct Answer Logic:

Higher correct answers for panel means more informative, supporting Tannen's hypothesis.

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Islamic Studies QUESTION #359

Question 1350

The first Caliph of the Abbasid Caliphate was:

Saffah✔️
Haroon UR Rasheed
Mansoor
Mamoon

Correct Answer Logic:

Abu al-Abbas al-Saffah was the founder and first caliph of the Abbasid dynasty.

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Others section QUESTION #4724

Question 1351

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.

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Mechanical Engineering QUESTION #2432

Question 1352

In natural (free) convection, the key dimensionless parameter governing the flow is the Rayleigh number $Ra$, defined as:

$Ra = Gr \cdot Pr = \frac{g\beta\Delta T L^3}{\nu^2}\cdot Pr = \frac{g\beta\Delta T L^3}{\nu\alpha}$✔️
$Ra = Re \cdot Pr$
$Ra = Nu / Pr^{1/3}$
$Ra = Gr / Pr$

Correct Answer Logic:

Rayleigh number: $Ra=Gr\cdot Pr=\frac{g\beta\Delta TL^3}{\nu\alpha}$ where $\beta$ is thermal expansion coefficient, $\nu$ is kinematic viscosity, $\alpha$ is thermal diffusivity.

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