03/07/2025
*Today ETEA PET CBT Questions & Answers*
Science
Q: Which law is used in pressure opening a bottle?
A: Newton's Third Law
Q: In spirit level to find an incline surface, angle must be?
A: 45°
Q: The biggest layer of Earth by volume:
A: Mantle
Q: The basic unit of the universe:
A: Galaxy
Q: We inhale oxygen through which path?
A: Nose → Windpipe (Trachea)
Q: In Brownian motion, particles move in:
A: Zigzag pattern
Q: A 30g solute dissolved in a solvent - this solution is:
A: Dilute
Q: Sound is a longitudinal mechanical wave. Speed of sound in vacuum?
A: Zero
Q: Which chemical is used in batteries?
A: Acid (typically Sulfuric acid, not phenol)
Q: For full-fat yogurt, which milk is used?
A: Whole Milk
Q: Trees convert light energy into:
A: Chemical Energy (Photosynthesis)
Q: Solvent used in paint, ink, dyes production?
A: Turpentine
Q: Pure sodium hydroxide (NaOH) is called?
A: Lye / Caustic Soda
Q: If one joule of energy is used to move one coulomb of charge, it equals:
A: 1 volt
Q: Nearest known dwarf star, Sirius B is located at:
A: 8.6 light years
Q: Pertussis is also known as:
A: Whooping Cough
Q: Steam is used in soap formation to:
A: Melt the fat
Q: Why is 'fixing' used in film processing?
A: To remove residual silver halide
Q: In dyeing, paint is attracted due to:
A: Opposite charges
Q: How is extra water removed from the body?
A: Urine and f***s
Q: Magnesium requirement (age 3-15 years):
A: 130-410 mg/day
Q: % of protein in the human body:
A: 16-18%
Q: Calcium requirement (up to 15 years):
A: 1000-1300 mg/day
Q: Iron requirement in children:
A: 7-10 mg/day
Islamic Studies
Where did the Prophet (peace and blessings of Allaah be upon him) go after the Aam al-Huzn? :Q.
Range: A
Translation of "And bring the orphans":
Give the orphans their property.
What is the first part of the journey of Ascension called? :Q.
Israa: A
Who was sent to deliver the letter to the ruler of Syria? :Q.
Shurahbil bin Hasna :A
What is it called to run seven times between Safa and Marwah?
Attempt: A
PK Pakistan Studies / General Knowledge
Q: After 1935 Act, elections were held in India in:
A: 1937
Q: Pashto shto language is inspired by:
A: Farsi (Persian)
Q: In Nawaz Sharif's second tenure, who attacked Supreme Court?
A: Supporters of a political party
Q: Japan helped Pakistan in which area?
A: Indus Highway
An unfortunate incident occurred during Nawaz Sharif's second term (: .
Attack on the Supreme Court: A
Mathematics
Q: 203 grams = ? milligrams
A: 203,000 Mg
Q: 7/8 in decimal:
A: 0.875
Q: Sum of roots of 2x² - 3x + 7 = 0:
A: 3/2
Q: If tan(0) = 1 and 0 is in the 3rd quadrant, sin(0) = ?
A:-1/√2
Follow M Zakria
Q: Perimeter = 180, Length = 3xwidth - 5 Width = ?
A: 23.75 units
Q: Interior angle of pentagon (total):
A: 540° - (sum of 4 given angles)
Q: Edges of a square pyramid:
A: 8
Q: LCM of 32, 70, 80 =
A: 1120
Q: Value of 7/8:
A: 0.875
Q: Antonym of 'intercede'?
A: Neglect / Ignore
Q: Synonym of 'magnitude'?
A: Size / Greatness
Q: Which is present continuous?
A: I am reading the book
Q: If √(5x + 2) = -4, solution?
A: No solution (√ cannot be negative)
Q: If 1 joule moves 1 coulomb, it's equal to:
A: 1 volt
