Exams


Q:

Which is not a basic function of a cell?

A) stopping homeostasis from happening B) obtaining and storing energy
C) removing waste D) transferring genetic information
 
Answer & Explanation Answer: A) stopping homeostasis from happening

Explanation:
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Q:

Order of basicity of amines

Answer

The order of basicity for primary, secondary and tertiary amines are:


Secondary > Primary > Tertiary > NH3


 


* Amines are basic in nature as they have lone pair of electrons on nitrogen. Therefore, they have a strong tendency to donate this lone pair of electrons to electron acceptors.


* The stability of conjugate acids formed is dependent on the extent of H-bonding,and greater the number of H-atoms on N more stable is the conjugate acid.


* The conjugate acid of primary amine is the most stable with greater number (3) of H-bonds than > Secondary > tertiary. But primary amines are less basic than secondary as the electron density on the N atom is less and lone pair of electrons are not readily available for protonation.


* The two opposing factors i.e. the stability of conjugate acids formed and ease of availability of electrons for Protonation, balance each other in case of secondary amines and it is most basic.

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Subject: Chemistry Exam Prep: AIEEE , Bank Exams
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Q:

Is vitamin B12 fat soluble?

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

Vitamin B12 is the only water-soluble vitamin that can be stored in the liver for many years. There are 9 water soluble vitamins.

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Subject: General Science
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Q:

A and B invest in a business in the ratio 2 : 5. If 50% of the total profit goes to charity and A's share is Rs 3.6 lakhs, the total profit is Rs __________ lakhs.

A) 12.6 B) 25.2
C) 37.8 D) 16.8
 
Answer & Explanation Answer: B) 25.2

Explanation:
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Q:

World’s longest 3D printed concrete bridge opened in?

A) China B) Japan
C) Dubai D) India
 
Answer & Explanation Answer: A) China

Explanation:
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Q:

In the expansion phase of a business cycle

A) economy moves from peak to trough B) economy moves from contraction to peak
C) economy moves from trough to peak D) economy moves from trough to trough
 
Answer & Explanation Answer: C) economy moves from trough to peak

Explanation:

Business cycles are identified as having four distinct phases:

1. Expansion,

2. Peak,

3. Contraction, and

4. Trough.

Expansion is the phase of the business cycle when the economy moves from a trough to a peak. It is a period when the level of business activity surges and gross domestic product (GDP) expands until it reaches a peak. A period of expansion is also known as an economic recovery.

An expansion is characterized by increasing employment, economic growth, and upward pressure on prices.

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Q:

What is the function of an antagonist in a story?

Answer

The antagonist is the negative or opposing force in a story.


It could be a human enemy, or it could be non-human, like an animal or something less tangible, like fear.


 


The antagonist plays an important role in story development.

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Q:

Which of the following is not a prime cost?

A) Supervisor's wages B) Assembly line wages
C) Machine operators wages D) Direct labor wages
 
Answer & Explanation Answer: A) Supervisor's wages

Explanation:

The prime cost calculates the use of raw materials and direct labor, but does not factor in indirect expenses, such as advertising and administrative costs.

Supervisor's wages doesn;t come under prime cost.

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