Bank PO Questions


Q:

Which describes how mRNA is used by a cell?

A) It is used to move information to other cells. B) It is used to check DNA for mutations.
C) It is used to replicate DNA for mitosis. D) It is used to transfer genetic information.
 
Answer & Explanation Answer: D) It is used to transfer genetic information.

Explanation:

A RNA copy of a DNA gene is called as messenger RNA or mRNA. mRna is used in translation because information is translated from one language (nucleotides) into another (amino acids).

 

Hence, mRNA is used to transfer genetic information by a cell.

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Q:

Regarding the Magna Carta, which statement is false?

A) The document assured all English citizens freedom of speech. B) The document required trial by a jury of one's peers.
C) The meeting of the English Barons and King John occurred at Runnymede. D) King John was forced to sign the document.
 
Answer & Explanation Answer: B) The document required trial by a jury of one's peers.

Explanation:
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Q:

If the production possibilities curve was a straight line, this would imply that

A) Economic resources are perfectly substitutable, in the production of the two products B) Equal quantities of both products are produced at each possible point on the curve
C) The two products will sell at the same market price D) The two products are equally important to consumers
 
Answer & Explanation Answer: C) The two products will sell at the same market price

Explanation:

A production–possibility frontier (PPF) or production possibility curve (PPC) is the possible tradeoff of producing combinations of goods with constant technology and resources per unit time.

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Q:

Which of these equations best summarizes photosynthesis?

A) CO2 + H2O -----> C6H12O6 + 6O2 B) 6O2 + 6H2O -----> C6H12O6 + 6CO2
C) 6CO2 + 6H2O -----> C6H12O6 + 6O2 D) C6H12O6 + 6O2 -----> CO2 + 6H2O
 
Answer & Explanation Answer: C) 6CO2 + 6H2O -----> C6H12O6 + 6O2

Explanation:

Here 6CO2 + 6H2O -----> C6H12O6 + 6O2 is the only option which best summarizes photosynthesis. We know that, photosynthesis is the reverse of cellular respiration in that carbon dioxide is used with water to form sugar, and oxygen is released.

 

Which_of_these_equations_best_summarizes_photosynthesis1553579499.png image

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Filed Under: General Science
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Q:

The Mesoamerican leader Pakal, The great was

A) the king of a Maya city-state. B) the ruler of a Zapotec state.
C) the emperor of the Aztec people. D) the head of the Inca religion.
 
Answer & Explanation Answer: A) the king of a Maya city-state.

Explanation:

The Mesoamerican leader Pakal, The great was the king of a Maya city-state in the history.

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Q:

Which of the following is a chemical property?

A) Reactivity B) Solubility
C) Density D) All of the above
 
Answer & Explanation Answer: A) Reactivity

Explanation:

The ability of two or more substances to combine to form other substances is called Reactivity.

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Q:

Which statement correctly describes the role of chance in evolution?

A) An allele that increases evolutionary fitness cannot be lost from a population by chance events. B) The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA
C) Evolutionary change proceeds by an accumulation of changes that occur by chance. D) None of the above
 
Answer & Explanation Answer: B) The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA

Explanation:
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Q:

In a confederal system of government, power is

A) with States B) with Central
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) with States

Explanation:

Government can be classified in three manners:

(1) who participates,

(2) geographic distribution of power, and

(3) legislative/executive relationship.

 

Who can participate is generally broken down into two forms of government,

democracy or dictatorship

 

While the legislative/executive relationship is broken down into

presidential or parliamentary

 

The geographic distribution of power is broken down into unitary, federal, and confederation (confederal).


Confederal System of Government ::

A system of government where power is located with the independent states and there is little power in the central government.

 

Today, no nation follows a confederal system. Organizations, like the European Union and the Commonwealth of Independent States, are based on the ideas of a confederal system. Several nations make up these organizations, but they still retain the majority of their independence.

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