Showing 2081–2100 of 2717

Q2081.What is the chemical formula for Sulfuric acid?

Easy
A C2H6O
B CaSO4
C C2H4O2
D H2SO4
Physical Science PPSC

Correct Answer: D

The chemical formula for Sulfuric acid is H2SO4. The formula identifies the elements present and the number of atoms of each element in one molecule or formula unit.

Q2082.What is the chemical formula of Ozone?

Easy
A H2O
B C12
C O3
D CH4
Environment & Ecology PPSC

Correct Answer: C

The chemical formula of Ozone is O3. The formula identifies the elements present and the number of atoms of each element in one molecule or formula unit.

Q2083.What is the Chemical formula of Zinc Hydroxide ____ ?

Easy
A Zn(OH)2
B ZNO2
C Zn2(OH)3
D ZnOH
Physical Science PPSC

Correct Answer: A

What is the Chemical formula of Zinc Hydroxide Zn(OH)2. The formula identifies the elements present and the number of atoms of each element in one molecule or formula unit.

Q2084.What is the chemical name of Oil of Vitriol?

Easy
A Hydrochloric Acid
B Sulphuric Acid
C Nitric Acid
D Muriatic Acid
Physical Science PPSC

Correct Answer: B

The chemical name of Oil of Vitriol is Sulphuric Acid. Its composition and chemical or physical behavior give it the stated classification or property.

Q2085.What is the chemical name of vitamin E?

Easy
A Calciferol
B Tocopherol
C Riboflavin
D Phylloquinone
Human Body & Health PPSC

Correct Answer: B

The chemical name of vitamin E is Tocopherol. Vitamins support specific metabolic and physiological functions, and their properties determine their sources, solubility, and deficiency effects.

Q2086.What is the common name for the drug acetyl salicylic acid?

Easy
A Paracetamol
B Analgin
C Aspirin
D Penicillin
Physical Science PPSC

Correct Answer: C

The common name for the drug acetyl salicylic acid is Aspirin. Its composition and chemical or physical behavior give it the stated classification or property.

Q2087.What is the date when day and night are equal?

Easy
A March 21 and December 24
B January 14 and September 23
C March 20 and September 23
D January 14 and June 22
General MCQs PPSC

Correct Answer: C

The date when day and night are equal is March 20 and September 23. This description follows from the defining characteristics and established facts associated with the subject.

Q2088.What is the degree of rotation of the earth each hour?

Easy
A 1°
B 5°
C 7.5°
D 15°
General MCQs PPSC

Correct Answer: D

The degree of rotation of the earth each hour is 15°. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q2089.What is the distance of the star Proxima Centauri from the planet Earth ____?

Easy
A 4.2 light years
B 3.2 light years
C 2.4 light years
D 1.5 light years
Space & Astronomy PPSC

Correct Answer: A

What is the distance of the star Proxima Centauri from the planet Earth 4.2 light years. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q2090.What is the effect of height increase over temperature?

Easy
A Temperature increase
B Temperature decrease
C Remains constant
D
General MCQs PPSC

Correct Answer: B

The effect of height increase over temperature is Temperature decrease. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.

Q2091.What is the element required for solar energy conversion ____?

Easy
A Ultra pure carbon
B Silicon
C Beryllium
D Tantalum
Physical Science PPSC

Correct Answer: B

What is the element required for solar energy conversion Silicon. Its composition and chemical or physical behavior give it the stated classification or property.

Q2092.what is the height of The atmosphere layer mesosphere?

Easy
A 85 km
B 50 km
C 40 km
D 10 km
Earth & Atmosphere PPSC

Correct Answer: A

The height of The atmosphere layer mesosphere is 85 km. Its geographic position or physical characteristics account for the description given.

Q2093.What is the magnetic field at any point in the open space inside the toroid?

Easy
A zero
B one
C Depends on the current in the turns
D Depends on number of turns
General MCQs PPSC

Correct Answer: A

The magnetic field at any point in the open space inside the toroid is zero. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q2094.What is the main component of bones and teeth?

Easy
A Calcium carbonate
B Calcium phosphate
C Calcium sulphate
D Calcium nitrate
Human Body & Health PPSC

Correct Answer: B

The main component of bones and teeth is Calcium phosphate. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.

Q2095.What is the main composition of the sun?

Easy
A Oxygen and Ammonia
B Hydrogen and Helium
C Hydrogen and Oxygen
D Methane and Hydrogen
Space & Astronomy PPSC

Correct Answer: B

The main composition of the sun is Hydrogen and Helium. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q2096.What is the mass of the Sun?

Easy
A 1.5×10 Power 30 Kg
B 1.98×10 Power 30 Kg
C 4.5×10 Power 30 Kg
D 8×10 Power 30 Kg
Space & Astronomy PPSC

Correct Answer: B

The mass of the Sun is 1.98×10 Power 30 Kg. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Q2097.What is the Medical term for Fever?

Easy
A HHypothermia
B Pyrexia
C Hypertension
D Thermophilia
General MCQs PPSC

Correct Answer: B

The Medical term for Fever is Pyrexia. This description follows from the defining characteristics and established facts associated with the subject.

Q2098.What is the medical term for low blood sugar?

Easy
A Hypoglycemia
B Lymphoblastic leukemia
C Pulmonary edema
D Diabetes mellitus
Human Body & Health PPSC

Correct Answer: A

The medical term for low blood sugar is Hypoglycemia. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.

Q2099.What is the molecular formula for Ammonia?

Easy
A NH
B NH2
C NH3
D NH4
General MCQs PPSC

Correct Answer: C

The molecular formula for Ammonia is NH3. The formula identifies the elements present and the number of atoms of each element in one molecule or formula unit.

Q2100.What is the Molecular Formula for Glucose ____ ?

Easy
A C4H10O6
B C5H11O6
C C6H12O6
D S6H12O6
General MCQs PPSC

Correct Answer: C

What is the Molecular Formula for Glucose C6H12O6. The formula identifies the elements present and the number of atoms of each element in one molecule or formula unit.