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Showing 401–420 of 1395

Q401.During which process of energy exchange does cold air displace warmer air?

Easy
A Convection
B Radiation
C Conduction
D None of these
Other PPSC

Correct Answer: A

During which process of energy exchange does cold air displace warmer air: Convection. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.

Q402.Echo is a ____ of sound?

Easy
A Reflection
B Refraction
C Interference
D
Other PPSC

Correct Answer: A

Echo is a Reflection of sound. This description follows from the defining characteristics and established facts associated with the subject.

Q403.Edward Genner discovered ‘vaccine’ in____?

Easy
A 1796
B 1978
C 1686
D 1933
Other PPSC

Correct Answer: A

Edward Genner discovered ‘vaccine’ in 1796. Historical scientific accounts credit this person, place, or event with the development described.

Q404.EEG is used for diagnosing ailments connected with?

Easy
A Heart
B Brain
C Kidneys
D Lungs
Other PPSC

Correct Answer: B

EEG is used for diagnosing ailments connected with: Brain. Its design and operating principle allow it to perform the stated function.

Q405.EEG records the activity of____?

Easy
A Heart
B Lungs
C Brain
D Muscles
Other PPSC

Correct Answer: C

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

Q406.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
Other 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.

Q407.Electron was discovered by?

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

Correct Answer: D

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

Q408.Eletromagneticism is the branch of____?

Easy
A Chemistry
B Physics
C Both
D None of these
Other 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.

Q409.Energy possessed by water in a dam is ?

Easy
A Electrical energy
B Mechanical energy
C Kinetic energy
D Potential energy
Other 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.

Q410.Enology is the study of____?

Easy
A Wine
B Digestion
C Kidneys
D
Other PPSC

Correct Answer: A

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

Q411.Entomology Is the Study of____?

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

Correct Answer: B

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

Q412.Epsom salt is chemically known as____?

Easy
A Copper Sulfate
B Magnesium Sulfate
C Ferrous Sulfate
D None of these
Other 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.

Q413.Equator passes through one of these countries____?

Easy
A Saudi Arabia
B Italy
C Japan
D
Other 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.

Q414.Eugenics is the study of____?

Easy
A Altering human beings by changing their genetic components
B People of European region
C Different races of mankind
D Genetic of plants
Other PPSC

Correct Answer: A

Eugenics is the study of Altering human beings by changing their genetic components. The term is defined by the subject, process, or characteristic described in the question.

Q415.Evaporation from ice and snow is known as____?

Easy
A evaporation
B sublimation
C hydrogenation
D insolation
Other PPSC

Correct Answer: B

Evaporation from ice and snow is known as sublimation. The term is defined by the subject, process, or characteristic described in the question.

Q416.Example of gas having monoatomic molecules is ____ ?

Easy
A Nitrogen
B Hydrogen
C Neon and argon
D Oxygen and nitrogen
Other PPSC

Correct Answer: C

Example of gas having monoatomic molecules is Neon and argon. Its composition and chemical or physical behavior give it the stated classification or property.

Q417.Exosphere interacts with ____ of Earth at roughly distance of 10,000 km.

Easy
A Electrosphere
B Magnetosphere
C Spectrosphere
D Echosphere
Other PPSC

Correct Answer: B

Exosphere interacts with Magnetosphere of Earth at roughly distance of 10,000 km. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q418.Fat is digested in which part of body?

Easy
A Small intestine
B Mouth
C Large intestine
D Spleen
Other PPSC

Correct Answer: A

Fat is digested in which part of body: Small intestine. This description follows from the defining characteristics and established facts associated with the subject.

Q419.Father of Homeopathy is____?

Easy
A Samuel Hahnemann
B Robert Dover
C Hakeem Suleman
D Dr Anwaar Khan
Other PPSC

Correct Answer: A

Father of Homeopathy is Samuel Hahnemann. This description follows from the defining characteristics and established facts associated with the subject.

Q420.Father of Optics” is the title given to____?

Easy
A Ibn-al-Haitham
B Ibn-e-Sina
C Al-Kandi
D Al-Biruni
Other PPSC

Correct Answer: A

Father of Optics” is the title given to Ibn-al-Haitham. This description follows from the defining characteristics and established facts associated with the subject.