Showing 1721–1740 of 2717

Q1721.The major part of natural gas, petroleum and coal consists of?

Easy
A Carbon
B Chlorine
C CFC
D Methane
General MCQs PPSC

Correct Answer: D

The major part of natural gas, petroleum and coal consists of: Methane. Its composition and chemical or physical behavior give it the stated classification or property.

Q1722.The major source of quick energy is ____?

Easy
A Carbohydrates
B Minerals
C vitamins
D None of these
Human Body & Health PPSC

Correct Answer: A

The major source of quick energy is Carbohydrates. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.

Q1723.The material that comes out of a volcano at the time of eruption is:

Easy
A Solid, liquid, gaseous
B Solid and liquid
C Solid and gaseous
D None of these
Earth & Atmosphere PPSC

Correct Answer: A

The material that comes out of a volcano at the time of eruption is Solid, liquid, gaseous. This description follows from the defining characteristics and established facts associated with the subject.

Q1724.The matter of our sun is in ____ state?

Easy
A Liquid
B Gas
C Solid
D Plasma
Space & Astronomy PPSC

Correct Answer: D

The matter of our sun is in Plasma state. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q1725.The maximum risk to air travel is from?

Easy
A Clouds
B Rainfall
C Fogs
D Strong Winds
General MCQs PPSC

Correct Answer: C

The maximum risk to air travel is from: Fogs. This description follows from the defining characteristics and established facts associated with the subject.

Q1726.The mean distance of the earth from the sun is astronomical units is____?

Easy
A 3.7 AU
B 10 AU
C 1 AU
D 101 AU
Space & Astronomy PPSC

Correct Answer: C

The mean distance of the earth from the sun is astronomical units is 1 AU. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q1727.The medical branch of science that deals with the study of skin, its functions, diseases, & treatment is ____ ?

Easy
A Dermatology
B Dormatology
C Deontology
D Dermatoglyphics
Human Body & Health PPSC

Correct Answer: A

The medical branch of science that deals with the study of skin, its functions, diseases, & treatment is Dermatology. The named agent or condition produces the characteristic biological changes associated with the disease.

Q1728.The melting point of ice is____?

Easy
A 00C
B 1000C
C 40C
D -40C
General MCQs PPSC

Correct Answer: A

The melting point of ice is 00C. This description follows from the defining characteristics and established facts associated with the subject.

Q1729.The mesosphere ranges from ____ to ____?

Easy
A 46 km to 85 km
B 48 km to 85 km
C 50 km to 85 km
D 52 km to 85 km
General MCQs PPSC

Correct Answer: C

The mesosphere extends approximately from 50 km to 85 km above Earth. Temperature generally decreases with altitude through this atmospheric layer.

Q1730.The metal that is used as a catalyst in the hydrogenation of oils is ____?

Easy
A Ni
B Pb
C Cu
D Pt
Physical Science PPSC

Correct Answer: A

The metal that is used as a catalyst in the hydrogenation of oils is Ni. Its composition and chemical or physical behavior give it the stated classification or property.

Q1731.The metal, which is a constituent of vitamin B12 is____?

Easy
A Iron
B Magnesium
C Zinc
D Cobalt
Human Body & Health PPSC

Correct Answer: D

The metal, which is a constituent of vitamin B12 is Cobalt. Vitamins support specific metabolic and physiological functions, and their properties determine their sources, solubility, and deficiency effects.

Q1732.The Microbes used in baking industry is ____?

Easy
A Penicillin
B Yeast
C Water
D None of these
General MCQs PPSC

Correct Answer: B

The Microbes used in baking industry is Yeast. This description follows from the defining characteristics and established facts associated with the subject.

Q1733.The Mirror used in the Automobiles are____?

Easy
A Concave
B Convex
C Plains
D Reflective
General MCQs PPSC

Correct Answer: B

The Mirror used in the Automobiles are Convex. The result follows from how light is reflected, refracted, focused, or distributed across the electromagnetic spectrum.

Q1734.The moon has a large, circular basin called ____?

Easy
A the Simerian Basin
B the Inbrium Basin
C the Imbrium Basin
D Black Bowl Basin
Space & Astronomy PPSC

Correct Answer: C

The moon has a large, circular basin called the Imbrium Basin. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q1735.The moon rotates on its axis in how many days?

Easy
A 14.8 days
B 17.5 days
C 29.7 days
D 27.3 days
Space & Astronomy PPSC

Correct Answer: D

The moon rotates on its axis in how many days: 27.3 days. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q1736.The moon’s surface has been explored by how many astronauts?

Easy
A 10
B 11
C 12
D 13
Space & Astronomy PPSC

Correct Answer: C

The moon’s surface has been explored by how many astronauts: 12. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q1737.The moon’s surface is also covered with a layer of fine dust called?

Easy
A Gegolith
B Megolith
C Regolith
D None of the above
Space & Astronomy PPSC

Correct Answer: C

The moon’s surface is also covered with a layer of fine dust called: Regolith. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q1738.The moon’s surface is constantly bombarded by?

Easy
A Comets
B UV light
C Meteoroids
D All of the above
Space & Astronomy PPSC

Correct Answer: C

The moon’s surface is constantly bombarded by: Meteoroids. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q1739.The moon’s surface temperature varies from about ____ to ____ ?

Easy
A – 173 degrees Celsius at night to 127 degrees Celsius during the day
B – 172 degrees Celsius at night to 172 degrees Celsius during the day
C Remains constant during day and night
D – 170 degrees Celsius at night to 107 degrees Celsius during the day
Space & Astronomy PPSC

Correct Answer: A

The moon’s surface temperature varies from about – 173 degrees Celsius at night to 127 degrees Celsius during the day to – 173 degrees Celsius at night to 127 degrees Celsius during the day. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q1740.The most abundant element in human body is ____?

Easy
A Hydrogen
B Blood
C Oxygen
D Protein
Human Body & Health PPSC

Correct Answer: C

The most abundant element in human body is Oxygen. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.