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#9674 Medium General Knowledge GENERAL KNOWLEDGE

The term soil impoverishment relates to which one of the following?

The term soil impoverishment relates to which one of the following?

A

Soil erosion

B

Soil deposition

C

Soil getting very deficient in plant nutrients

D

Soil getting enriched with plant nutrients

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The correct answer is A.

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Explanation Soil impoverishment is based on the innate ability of prairie plants to tolerate and flourish in soils with low levels of nitrogen.

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#9675 Medium General Knowledge GENERAL KNOWLEDGE

FATF headquarters located in?

FATF headquarters located in?

A

Geneva

B

Hague

C

Paris

D

Washington

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The correct answer is A.

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Explanation The Financial Action Task Force (FATF) is the global money laundering and terrorist financing watchdog. Financial Action Task Force (FATF) was founded in 1989 One year is the tenure of FATF President Ship which rotates among member Countries FATF Headquarter located in Paris FATF Members countries are 39 FATF Official language are English and French

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#9676 Medium General Knowledge GENERAL KNOWLEDGE

Before discharging the foul sewage into rivers it is generally treated by

Before discharging the foul sewage into rivers it is generally treated by

A

Screening

B

Sedimentation

C

Oxidation

D

All of the above

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The correct answer is A.

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Explanation

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#9661 Medium General Science GENERAL SCIENCE

What is the percentage of nitrogen gas in air?

What is the percentage of nitrogen gas in air?

A

98%

B

58%

C

88%

D

78%

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The correct answer is D.

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Explanation The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.

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#9662 Medium General Science GENERAL SCIENCE

The rod cells of retina are responsible for vision in?

The rod cells of retina are responsible for vision in?

A

Bright Light

B

Dim light

C

Summary atmosphere

D

Shiny atmosphere

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The correct answer is A.

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Explanation Rod cells are responsible for vision in low light conditions, such as at night or in dimly lit environments. They are more sensitive than cone cells and can detect even a single photon of light.

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#9663 Medium General Science GENERAL SCIENCE

A device that opposes the flow of electrons in electronic circuits is called?

A device that opposes the flow of electrons in electronic circuits is called?

A

Transformer

B

Diode

C

Transistor

D

Resistor

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The correct answer is A.

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Explanation The component of an electric circuit that opposes the flow of charges in the circuit is called a resistor .

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#9664 Medium General Science GENERAL SCIENCE

The process in which nuclei of heavy elements are broken into lighter nuclei and

The process in which nuclei of heavy elements are broken into lighter nuclei and produce a large amount of heat energy is called?

A

Fusion

B

Geometry

C

Regales

D

Fission

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The correct answer is A.

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Explanation Fission is the splitting of a nucleus that releases free neutrons and lighter nuclei. The fission of heavy elements is highly exothermic which releases about 200 million eV compared to burning coal which only gives a few eV.

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#9665 Medium General Science GENERAL SCIENCE

The study about celestial objects of the universe is called?

The study about celestial objects of the universe is called?

A

Geometry

B

Geography

C

Archaeology

D

Astronomy

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The correct answer is A.

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Explanation The telescope is undoubtedly the most important investigative tool in  astronomy. A celestial body that revolves around a planet is known as a  natural satellite .

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#9666 Medium General Science GENERAL SCIENCE

The brightest star visible in the sky without a telescope is?

The brightest star visible in the sky without a telescope is?

A

Altair

B

Aretonus

C

Regulus

D

Sirius

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The correct answer is A.

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Explanation Sirius  is the brightest star in the night sky. Sirius means صبح کا ستارہ

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#9651 Medium PPSC Past Papers PPSC PAST PAPERS

__ produce urea

__ produce urea

A

Bird

B

Animal

C

mammal

D

None

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The correct answer is A.

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Explanation Birds are a group of warm-blooded vertebrates