Note: HED Lab Assistant ETEA Solved Paper held on 25 December 2022, Contains 61+ solved mcqs of General Science, General Knowledge, Pak Study, Physics and Chemistry.
1. The chemical formula of Chile Salt Petre is?
A. CaOcl2
B. NaOH
C. NaNO3
D. Cao
Answer
Correct Answer: C. NaNO3
2. The heat transfer from a hotter place to a colder place with or without having a material medium in between is called?
A. Radiation
B. Conviction
C. Conduction
D. Sublimation
Answer
Correct Answer: C. Conduction
3. The value of thermal conductivity for copper is?
A. 240W/m k
B. 385W/m k
C. 400W/m k
D. 430W/m k
Answer
Correct Answer: B. 385W/m k
4. In Kelvin scale of temperature, the boiling point of water is marked as?
A. 212 K
B. 273 K
C. 280 K
D. 373 K
Answer
Correct Answer: D. 373 K
5. F = Kx is the mathematical expression of?
A. Newton’s Law
B. Hooke’s Law
C. Len’s Law
D. Faraday Law
Answer
Correct Answer: B. Hooke’s Law
6. The oldest tennis tournament in the world is?
A. French Open
B. Australian Open
C. Wimbledon
D. US Open
Answer
Correct Answer: C. Wimbledon
7. International Court of Justice its head office in?
A. Russia
B. USA
C. Canada
D. Netherland
Answer
Correct Answer: D. Netherland
8. Nippon is the former name of?
A. Nepal
B. Indonesia
C. Japan
D. Finland
Answer
Correct Answer: C. Japan
9. Identify the country which was the runner up of FIFA world cup 2018?
A. Brazil
B. Netherland
C. Croatia
D. Germany
Answer
Correct Answer: C. Croatia
10. Singapore was previously part of?
A. South Korea
B. Poland
C. Malaysia
D. Bangladesh
Answer
Correct Answer: C. Malaysia
11. Which of the following is the largest Gulf in the world?
A. Gulf of Africa
B. Gulf of Oman
C. Gulf of Arabia
D. Gulf of Mexico
Answer
Correct Answer: D. Gulf of Mexico
12. “GroundStroke” is associated with which of the following games?
A. Cricket
B. Badminton
C. Tennis
D. Hockey
Answer
Correct Answer: C. Tennis
Short Detail about mcqs
The term is commonly used in the sports of tennis and pickleball, and is counter to a volley shot which is taken before the ball has bounced.
13. The condition of after Standing from Ruku is known as?
A. Ruku
B. Jalsa
C. Qiyam
D. Sajda
Answer
Correct Answer: C. Qiyam
14. The British Government encouraged ___ educational Institutions?
A. Government
B. Private
C. Missionary
D. Religious
Answer
Correct Answer: A. Government
15. The Quaid-e-Azam presented his famous fourteen points in Response to?
A. Pirpur Report
B. Cabinet Mission
C. Crips Mission
D. Nehru Report
Answer
Correct Answer: D. Nehru Report
16. Shimla Deputation of 1906 had the following Purpose?
A. The Deputation was advised to take active part on politics
B. The Deputation was directed to be friendly with the rulers
C. To be in harmony with the Hindu Community of India
D. For future elections in the country muslim community would get separate electorate
Answer
Correct Answer: D. For future elections in the country muslim community would get separate electorate
17. Who was the care taker Prime Minister of Pakistan from 5 November 1996 to 27 February 1997?
A. Mir Balakh Sher Mazari
B. Malik Meraj Khalid
C. Moen Qureshi
D. Mohammad Mian Soomro
Answer
Correct Answer: B. Malik Meraj Khalid
18. Plastid are of ____types.
A. Two
B. Three
C. Four
D. Five
Answer
Correct Answer: B. Three
Detail about Mcqs
Plastids are double membrane-bound organelle that helps in photosynthesis. They have some specific pigments thus giving specific color to the plants. Due to these pigments plastids are divided into three types: 1. Chloroplasts 2. Chromoplasts 3. Leucoplasts.
19. Cell membrane is made of ____?
A. Cellulose Only
B. Proteins Only
C. Lipid Only
D. Lipids and Proteins
Answer
Correct Answer: D. Lipids and Proteins
20. Enzymes are organic catalysts. They are mainly ___ in nature.
A. Proteins
B. Fats
C. Starch
D. Carbohydrates
Answer
Correct Answer: A. Proteins
21. When a cell needs energy, the terminal phosphate bond of ATP is broken to release ___ energy.
A. 6.3 kcal
B. 6.6 Kcal
C. 7.3 Kcal
D. 7.6 Kcal
Answer
Correct Answer: C. 7.3 Kcal
22. Under resting condition, the rate of breathing is ___ times per minute.
A. 5-10
B. 15-20
C. 20-25
D. 30-35
Answer
Correct Answer: B. 15-20 Found in most reference
Detail about Mcqs
For humans, the typical respiratory rate for a healthy adult at rest is 12–15 breaths per minute. The respiratory center sets the quiet respiratory rhythm at around two seconds for an inhalation and three seconds exhalation. This gives the lower of the average rate at 12 breaths per minute. Average resting respiratory rates by age are:
birth to 6 weeks: 30–40 breaths per minute,
6 months: 25–40 breaths per minute
3 years: 20–30 breaths per minute
6 years: 18–25 breaths per minute
10 years: 17–23 breaths per minute
Adults: 15–18 breaths per minute
50 years: 18-25 breaths per minute
Elderly ≥ 65 years old: 12–28 breaths per minute.
Elderly ≥ 80 years old: 10-30 breaths per minute
23. In pre-diabetes, the blood glucose level at 8-10 hours fast will be ___ mg/100ml?
A. Above 126
B. From 70-99
C. Below 70
D. From 100-125
Answer
Correct Answer: D. From 100-125
24. In the central nervous system, myelinated axons from the ___ matter.
A. Brown
B. Black
C. Grey
D. White
Answer
Correct Answer: D. White
25. The straight line passing through the pole ‘p’ and the center of curvature “C” of a mirror is called the ___ of that mirror.
A. Aperture
B. Pole
C. Principal Focus
D. Principal Axis
Answer
Correct Answer: D. Principal Axis
26. If the radius of curvature of a concave mirror is 60 cm, what is its focal length?
A. 30 cm
B. 60 cm
C. 90 cm
D. 120 cm
Answer
Correct Answer: A. 30 cm
27. The unit of electric intensity is?
A. NC
B. NC-1
C. NC-2
D. None of these
Answer
Correct Answer: B. NC-1
28. In electrolysis, the electric current is produced due to the flow ___?
A. Positive Charges
B. Negative Charges
C. Both Positive and Negative Charges
D. None of these
Answer
Correct Answer: C. Both Positive and Negative Charges
29. Four resistors of 15 ohm are connected in series across a 30V battery. What current rows in the circuit?
A. 0.2 A
B. 0.3 A
C. 0.4 A
D. 0.5 A
Answer
Correct Answer: C. Both Positive and Negative Charges
30. Lenz Law is an example of the principle of conservation of ___?
A. Charge
B. Energy
C. Current
D. Voltage
Answer
Correct Answer: B. Energy
31. United Nations University is situated in:
A. Frankfurt, Germany
B. Montreal, Canada
C. Riyadh, Saudi Arabia
D. Tokyo, Japan
Answer
Correct Answer: D. Tokyo, Japan
32. Sky News is the famous news channel of which country?
A. Brazil
B. Belgium
C. Mexico
D. United Kingdom
Answer
Correct Answer: D. United Kingdom
33. Which country has the most post offices?
A. China
B. America
C. Russia
D. India
Answer
Correct Answer: D. India
Short Detail about mcqs
India has the largest postal network in the world with 1,55,618 post offices and over 5,66,000 employees.
34. Which of the following is the most important Rukn of Hajj?
A. Sacrifice
B. Sayee
C. Tawaf
D. Praying 40 Prayers at Madina Munwar
Answer
Correct Answer: C. Tawaf
35. تکبیر تحریمہ ــــــ کا حصہ ہے؟
A. شرا ئط نماز
B. ارکان نماز
C. نماز کی سنتوں
D. ان میں سے کوئی نہیں
Answer
Correct Answer: B. ارکان نماز
36. The Simon Commission was welcomed with?
A. Stones
B. Sticks
C. Flowers
D. Flags
Answer
Correct Answer: D. Flags
Short Detail about Mcqs
On 30 October 1928, the Commission arrived in Lahore where it was met by protesters waving black flags. The protest was led by the Indian nationalist Lala Lajpat Rai, who had moved a resolution against the Commission in the Legislative Assembly of Punjab in February 1928.
37. Where was Sir Syed Ahmad Khan born?
A. Bengal
B. Madras
C. Agra
D. Delhi
Answer
Correct Answer: D. Delhi
38. Khilafat Committee and the Congress participated in the election under the?
A. Act of 1919
B. Act of 1917
C. Act of 1921
D. Act of 1916
Answer
Correct Answer: A. Act of 1919
39. Who was the opponent of Ayub Khan in the Presidential election of 1965?
A. Mrs. Ali Khan
B. Miss Fatima Jinnah
C. Iskandar Mirza
D. General Yahya Khan
Answer
Correct Answer: B. Miss Fatima Jinnah
40. National fish of Pakistan is?
A. Mahseer
B. Blue Marlin
C. Flounder
D. Hogfish
Answer
Correct Answer: A. Mahseer
41. Quaid-e-Azam visited ___ times to Islamia College Peshawar?
A. Two
B. Three
C. Four
D. None of these
Answer
Correct Answer: B. Three ( In 1936, 1945 and 1948)
42. The electronic configuration of calcium (Ca) is?
A. 1s2 2s2 2p6 3s2 3p6 4s2
B. 1s2 2s2 2p6 3s2 3p2 4s2
C. 1s4 2s2 2p6 3s2 3p6
D. 1s2 2s1 2p2 3s2 3p4 4s2 4p4
Answer
Correct Answer: A. 1s2 2s2 2p6 3s2 3p6 4s2
43. The minimum energy required to remove the valence electron from the outermost shell of gaseous atom to form the positive ion is called ionization potential or ionization energy. Which one of the following atom will have highest ionization energy?
A. Helium
B. Boron
C. Fluorine
D. Lithium
Answer
Correct Answer: A. Helium
44. Hydrogen Chloride (HCL) boils at?
A. 2°C
B. -40°C
C. -65°C
D. -85°C
Answer
Correct Answer: D. -85°C
45. The pressure exerted by the vapors of the liquid when the rate of evaporation becomes equal to rate of condensation is called vapor pressure. Vapor pressure depend upon on which of the following factor/s?
A. Nature of liquid Only
B. Intermolecular Force Only
C. Size of the Molecules Only
D. All of these
Answer
Correct Answer: A. Nature of liquid Only
46. “Fog and humidity in air” is the example of which one of the following types of solution?
A. Gas in Liquid
B. Liquid in Gas
C. Liquid in Liquid
D. Gas in Gas
Answer
Correct Answer: C. Liquid in Liquid
47. When Oxygen is used as an oxidizing agent at high temperature and pressure by dissolving it in wastewater, the process is known as?
A. Wet Reduction
B. Wet Oxidation
C. Dry Reduction
D. Dry Oxidation
Answer
Correct Answer: B. Wet Oxidation
48. The name Platinum is derived from Platina which means little silver and is a ___ language word.
A. Greek
B. Latin
C. Spanish
D. Egypt
Answer
Correct Answer: C. Spanish
49. A man whose mass is 75 kg walks up a flight of 12 steps each 20 cm high in 5 seconds. Find the power he develops in watt?
A. 360 Watts
B. 370 Watts
C. 390 Watts
D. 400 Watts
Answer
Correct Answer: A. 360 Watts
50. Work done = ____?
A. F = z
B. Kinetic Energy
C. Potential Energy
D. All of these
Answer
Correct Answer: B. Kinetic Energy
51. Mathematical form of centripetal force is?
A. Mv/r
B. Mv/r-2
C. Mv2/r
D. None of these
Answer
Correct Answer: C. Mv2/r
52. Conventionally, clockwise torque is taken as?
A. Positive
B. Negative
C. Positive as well as Negative
D. Neither Positive nor Negative
Answer
Correct Answer: B. Negative
53. Which of the following is a vector quantity?
A. Power
B. Volume
C. Electric Current
D. None of these
Answer
Correct Answer: D. None of these
54. Mass x Velocity = ____?
A. Momentum
B. Inertia
C. Moment Arm
D. Force
Answer
Correct Answer: A. Momentum
55. ___ is the maximum displacement of the body on either side of its equilibrium position?
A. Wavelength
B. Displacement
C. Amplitude
D. Frequency
Answer
Correct Answer: C. Amplitude
56. A wave transfers ____?
A. Heat
B. Energy
C. Force
D. Particle
Answer
Correct Answer: B. Energy
57. A celestial body revolving around a planet is known as?
A. Asteroids
B. Comets
C. Meteors
D. Moon
Answer
Correct Answer: D. Moon
58. First Sajdah is present in which surah of the Holy Quran?
A. Surah Anjum
B. Surah Baqra
C. Surah Rehman
D. Surah Namal
Answer
Correct Answer: A. Surah Anjum
59. Giving your things to another needy persons and sacrificing your need is called?
A. Generosity
B. Zakat
C. charity
D. Sacrifice
Answer
Correct Answer: C. charity
60. ___ deals with the study of insects?
A. Parasitology
B. Entomology
C. Taxonomy
D. Histology
Answer
Correct Answer: B. Entomology
61. The cell wall of puffballs is made of ___?
A. Marine
B. Cellulose
C. Chitin
D. None of these
Answer
Correct Answer: C. Chitin
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