JST LEC 03

 Science


1. Q: What is the process of photosynthesis?

A: Photosynthesis is the process by which plants make their own food using sunlight, carbon dioxide, and water.



2. Q: What are the three states of matter?

A: Solid, liquid, and gas.



3. Q: What is the chemical formula for water?

A: H₂O.



4. Q: What is gravity?

A: Gravity is the force that pulls objects towards the Earth.



5. Q: What is the largest organ in the human body?

A: The skin.



6. Q: What is the boiling point of water?

A: 100°C.



7. Q: What is the function of the heart?

A: The heart pumps blood throughout the body.



8. Q: What are the main components of the human respiratory system?

A: Lungs, trachea, bronchi, and diaphragm.



9. Q: What is the main source of energy for the Earth?

A: The Sun.



10. Q: What is the formula for calculating speed?

A: Speed = Distance / Time.




Math


11. Q: What is 12 × 8?

A: 96.



12. Q: What is the perimeter of a rectangle with length 5 cm and width 3 cm?

A: 16 cm (Perimeter = 2 × (Length + Width)).



13. Q: What is the area of a square with side 4 cm?

A: 16 cm² (Area = side × side).



14. Q: What is the value of pi (π)?

A: 3.1416.



15. Q: What is the square root of 64?

A: 8.



16. Q: What is 25% of 200?

A: 50.



17. Q: If a number is divisible by 2, what is it called?

A: An even number.



18. Q: What is the LCM of 3 and 4?

A: 12.



19. Q: What is the HCF of 12 and 16?

A: 4.



20. Q: How many sides does a hexagon have?

A: 6 sides.




English


21. Q: What is a noun?

A: A noun is a word that names a person, place, thing, or idea.



22. Q: What is an adjective?

A: An adjective is a word that describes a noun.



23. Q: What is a verb?

A: A verb is a word that expresses an action or state of being.



24. Q: What is a synonym for "happy"?

A: Joyful.



25. Q: What is the past tense of "go"?

A: Went.



26. Q: What is an antonym for "big"?

A: Small.



27. Q: What is a sentence?

A: A sentence is a group of words that expresses a complete thought.



28. Q: What is a subject in a sentence?

A: The subject is the person, place, or thing the sentence is about.



29. Q: What is an object in a sentence?

A: The object is the noun that receives the action of the verb.



30. Q: What is a conjunction?

A: A conjunction is a word that connects words, phrases, or clauses (e.g., and, but, or).




Social Studies


31. Q: What is the capital of Pakistan?

A: Islamabad.



32. Q: Who was the first President of the United States?

A: George Washington.



33. Q: What is the longest river in the world?

A: The Nile River.



34. Q: In which year did India gain independence?

A: 1947.



35. Q: Who was the first Prime Minister of India?

A: Jawaharlal Nehru.



36. Q: What is the currency of Japan?

A: Yen.



37. Q: What is the largest continent by land area?

A: Asia.



38. Q: Which country is known as the "Land of the Rising Sun"?

A: Japan.



39. Q: Who discovered America?

A: Christopher Columbus.



40. Q: What is the national flower of Pakistan?

A: Jasmine.




General Knowledge


41. Q: Who wrote the famous play "Romeo and Juliet"?

A: William Shakespeare.



42. Q: What is the largest planet in our solar system?

A: Jupiter.



43. Q: What is the fastest land animal?

A: Cheetah.



44. Q: What is the tallest mountain in the world?

A: Mount Everest.



45. Q: Which animal is known as the King of the Jungle?

A: Lion.



46. Q: What is the chemical symbol for gold?

A: Au.



47. Q: Who invented the telephone?

A: Alexander Graham Bell.



48. Q: What is the national sport of Pakistan?

A: Field hockey.



49. Q: Which planet is known as the "Red Planet"?

A: Mars.



50. Q: What is the main ingredient in bread?

A: Flour.





---


Science


51. Q: What is the main gas in the Earth's atmosphere?

A: Nitrogen.



52. Q: What is the boiling point of water in Fahrenheit?

A: 212°F.



53. Q: What is a cell?

A: A cell is the basic unit of life.



54. Q: What is the function of the kidneys?

A: The kidneys filter waste from the blood.



55. Q: What is a comet?

A: A comet is a small icy body that orbits the Sun.



56. Q: What is an ecosystem?

A: An ecosystem is a community of living organisms interacting with their environment.



57. Q: What is the process of evaporation?

A: Evaporation is the process by which liquid turns into gas.



58. Q: What is the main function of red blood cells?

A: Red blood cells transport oxygen throughout the body.



59. Q: What is an exoskeleton?

A: An exoskeleton is an external skeleton that supports and protects an organism's body.



60. Q: What are the two main types of reproduction?

A: Sexual and asexual reproduction.





---


Math


61. Q: What is the area of a triangle with base 6 cm and height 4 cm?

A: 12 cm² (Area = ½ × base × height).



62. Q: What is 15% of 200?

A: 30.



63. Q: What is the next prime number after 7?

A: 11.



64. Q: What is the square of 9?

A: 81.



65. Q: What is the perimeter of a circle?

A: The perimeter is called the circumference, calculated as C = 2πr.



66. Q: How do you calculate the volume of a cube?

A: Volume = side³.



67. Q: What is 36 ÷ 6?

A: 6.



68. Q: What is the difference between a square and a rectangle?

A: A square has equal sides, while a rectangle has opposite sides equal.



69. Q: What is the median of 5, 8, 3, 7, 9?

A: 7.



70. Q: What is the greatest common divisor of 18 and 24?

A: 6.





---


English


71. Q: What is a preposition?

A: A preposition shows the relationship between a noun or pronoun and another word in the sentence.



72. Q: What is an adverb?

A: An adverb is a word that modifies a verb, adjective, or another adverb.



73. Q: What is a possessive noun?

A: A possessive noun shows ownership, e.g., Sarah's book.



74. Q: What is a compound sentence?

A: A compound sentence contains two independent clauses joined by a conjunction.



75. Q: What is the past tense of "eat"?

A: Ate.



76. Q: What is the plural form of "child"?

A: Children.



77. Q: What is a question mark used for?

A: A question mark is used at the end of a sentence that asks a question.



78. Q: What is the opposite of "strong"?

A: Weak.



79. Q: What is a biography?

A: A biography is a written account of someone's life.



80. Q: What is a simile?

A: A simile is a figure of speech that compares two things using "like" or "as".





---


Social Studies


81. Q: What is the largest desert in the world?

A: The Sahara Desert.



82. Q: What is the capital of the United Kingdom?

A: London.



83. Q: What is the currency of the USA?

A: Dollar (USD).



84. Q: Who was the first man on the moon?

A: Neil Armstrong.



85. Q: Which country is known as the "Land of the Midnight Sun"?

A: Norway.



86. Q: Who was the first emperor of China?

A: Qin Shi Huang.



87. Q: What is the national sport of Canada?

A: Ice Hockey.



88. Q: In which continent is the Amazon Rainforest located?

A: South America.



89. Q: What is the largest ocean in the world?

A: Pacific Ocean.



90. Q: What is the longest mountain range in the world?

A: The Andes.





---


General Knowledge


91. Q: Who is known as the "Father of Computers"?

A: Charles Babbage.



92. Q: What is the chemical symbol for oxygen?

A: O.



93. Q: What is the fastest bird in the world?

A: Peregrine Falcon.



94. Q: What is the smallest country in the world?

A: Vatican City.



95. Q: What does the word "benevolent" mean?

A: Kind-hearted and generous.



96. Q: Who invented the light bulb?

A: Thomas Edison.



97. Q: What is the largest continent by population?

A: Asia.



98. Q: What is the hardest natural substance on Earth?

A: Diamond.



99. Q: Which planet is closest to the Sun?

A: Mercury.



100. Q: Who painted the Mona Lisa?

A: Leonardo da Vinci

Comments

Popular posts from this blog

JST LEC 01

LEC 02 Notes