Showing 981–1000 of 2717

Q981.EEG records the activity of____?

Easy
A Heart
B Lungs
C Brain
D Muscles
General MCQs PPSC

Correct Answer: C

EEG records the activity of Brain. This description follows from the defining characteristics and established facts associated with the subject.

Q982.Einstein’s famous equation which states that mass and energy are interchangeable is?

Easy
A E = mc2
B E = cm2
C M = ec2
D M = ce2
General MCQs PPSC

Correct Answer: A

Einstein’s famous equation which states that mass and energy are interchangeable is E = mc2. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.

Q983.Elastic rebound theory explains:

Easy
A formation of rocks
B structure of solids
C causes of earthquake
D None of these
Earth & Atmosphere PPSC

Correct Answer: C

Elastic rebound theory explains: causes of earthquake. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.

Q984.Electric motor was invented by ____ ?

Easy
A Michael Faraday
B Oliver Evans
C Thomas Edison
D Horace Day
Scientists & Scientific Discoveries PPSC

Correct Answer: A

Electric motor was invented by Michael Faraday. The effect results from the movement of charge or the interaction of electric and magnetic fields.

Q985.Electron was discovered by?

Easy
A Michael Faraday
B James Maxwell
C Yuri Gagarin
D J.J Thomson
General MCQs PPSC

Correct Answer: D

Electron was discovered by: J. J Thomson. Historical scientific accounts credit this person, place, or event with the development described.

Q986.Electrostatic precipitator is used to control?

Easy
A Air pollution
B Water pollution
C Solid waste
D Noise pollution
Environment & Ecology PPSC

Correct Answer: A

Electrostatic precipitator is used to control: Air pollution. This description follows from the defining characteristics and established facts associated with the subject.

Q987.Elements are made of ____?

Easy
A Atoms
B Molecules
C H2O
D Compounds
Physical Science PPSC

Correct Answer: A

Elements are made of Atoms. Its composition and chemical or physical behavior give it the stated classification or property.

Q988.Elements which have same number of protons but different number of neutrons are called as ____ ?

Easy
A Isotopes
B Isomers
C Allotropes
D Allomers
Physical Science PPSC

Correct Answer: A

Elements which have same number of protons but different number of neutrons are called as Isotopes. Its composition and chemical or physical behavior give it the stated classification or property.

Q989.Elephant” large unit of paper measurement equal to 28 by____

Easy
A 23 inches
B 25 inches
C 28 inches
D 31 inches
Measurements & Scientific Instruments PPSC

Correct Answer: A

Elephant” large unit of paper measurement equal to 28 by 23 inches. This value follows from the standard definition or accepted conversion used for the quantity.

Q990.Eletromagneticism is the branch of____?

Easy
A Chemistry
B Physics
C Both
D None of these
General MCQs PPSC

Correct Answer: B

Eletromagneticism is the branch of Physics. The effect results from the movement of charge or the interaction of electric and magnetic fields.

Q991.Endothermic reactions are those in which ____.

Easy
A Heat is evolved
B Heat is absorbed
C Temperature increases
D Light is produced
Physical Science PPSC

Correct Answer: B

Endothermic reactions are those in which Heat is absorbed. This description follows from the defining characteristics and established facts associated with the subject.

Q992.Energy possessed by water in a dam is ?

Easy
A Electrical energy
B Mechanical energy
C Kinetic energy
D Potential energy
General MCQs PPSC

Correct Answer: D

Energy possessed by water in a dam is Potential energy. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.

Q993.Enology is the study of____?

Easy
A Wine
B Digestion
C Kidneys
D
General MCQs PPSC

Correct Answer: A

Enology is the study of Wine. The term is defined by the subject, process, or characteristic described in the question.

Q994.Entomology Is the Study of____?

Easy
A worms
B insects
C Animals
D All of these
General MCQs PPSC

Correct Answer: B

Entomology Is the Study of insects. The term is defined by the subject, process, or characteristic described in the question.

Q995.Enzymes are organic catalysts made up of ?

Easy
A Carbohydrates
B Proteins
C Nucleic Acid
D Fats
Physical Science PPSC

Correct Answer: B

Enzymes are organic catalysts made up of: Proteins. This description follows from the defining characteristics and established facts associated with the subject.

Q996.Enzymes are organic catalysts made up of ____?

Easy
A Carbohydrates
B Proteins
C Nucleic Acid
D Fats
Physical Science PPSC

Correct Answer: B

Enzymes are organic catalysts made up of Proteins. This description follows from the defining characteristics and established facts associated with the subject.

Q997.Epsom salt is chemically known as____?

Easy
A Copper Sulfate
B Magnesium Sulfate
C Ferrous Sulfate
D None of these
General MCQs PPSC

Correct Answer: B

Epsom salt is chemically known as Magnesium Sulfate. Its composition and chemical or physical behavior give it the stated classification or property.

Q998.Equator passes through one of these countries____?

Easy
A Saudi Arabia
B Italy
C Japan
D
General MCQs PPSC

Correct Answer: D

The Equator does not pass through Saudi Arabia, Italy, or Japan. It crosses countries in northern South America, central Africa, and parts of Southeast Asia, so none of the listed countries applies.

Q999.Erythrocyte is another name for a ____?

Easy
A white blood Cells
B Platelet
C Red Blood cells
D Plasma
Human Body & Health PPSC

Correct Answer: C

Erythrocyte is another name for a Red Blood cells. This description follows from the defining characteristics and established facts associated with the subject.

Q1000.Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the ____?

Easy
A Centripetal force due to the earth’s rotation
B Earth’s gravitational pull
C Pressure of the atmosphere
D Moon’s gravitational pull
Space & Astronomy PPSC

Correct Answer: B

Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the Earth’s gravitational pull. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.