Seba HSLC Question Paper 2021 PDF with All Subjects

The Seba HSLC exam is crucial for students in Assam. Here, you will find questions and answers for all subjects included in the 2021 examination. These solutions help in understanding the exam pattern and improve your preparation.

English

Question: What is the theme of the poem “The Road Not Taken”?

Answer: The theme of the poem is about the choices we make in life and their consequences.

Question: Write the synonym of the word “benevolent.”

Answer: The synonym of the word “benevolent” is kind.

Question: What is the antonym of the word “optimistic”?

Answer: The antonym of the word “optimistic” is pessimistic.

Question: Explain the meaning of the phrase “a blessing in disguise.”

Answer: It means something that appears bad at first but turns out to be good.

Question: Who wrote the play “The Merchant of Venice”?

Answer: The play “The Merchant of Venice” was written by William Shakespeare.

Question: What does the phrase “time flies” mean?

Answer: The phrase “time flies” means time passes quickly.

Question: Write the plural form of “child.”

Answer: The plural form of “child” is children.

Question: What is the figure of speech used in “as busy as a bee”?

Answer: The figure of speech used is a simile.

Question: Who is the poet of “Daffodils”?

Answer: The poet of “Daffodils” is William Wordsworth.

Question: Write the passive form of “She is reading a book.”

Answer: The passive form is “A book is being read by her.”

Question: What is the subject in the sentence “The sun rises in the east”?

Answer: The subject in the sentence is “The sun.”

Question: What is the adjective form of “beauty”?

Answer: The adjective form of “beauty” is beautiful.

Question: Write the opposite of “increase.”

Answer: The opposite of “increase” is decrease.

Question: What is a noun?

Answer: A noun is the name of a person, place, thing, or idea.

Question: What is the rhyme scheme of the poem “Stopping by Woods on a Snowy Evening”?

Answer: The rhyme scheme is AABA.

Question: What is a compound sentence?

Answer: A compound sentence is made up of two or more independent clauses joined by a conjunction.

Question: Write a sentence using the word “opportunity.”

Answer: He did not want to miss the opportunity to study abroad.

Question: What is the past tense of “write”?

Answer: The past tense of “write” is wrote.

Question: Write a letter to your friend about your recent trip.

Answer:
Dear [Friend’s Name],
I hope you are doing well. I recently went on an amazing trip to Kaziranga National Park. The wildlife, especially the rhinos, was breathtaking. I wish you could have joined me.
Take care,

Mathematics

Question: What is the value of 2 + 3 × 4?

Answer: The value is 14.

Question: Solve for x: 5x + 10 = 20.

Answer: x = 2.

Question: What is the area of a circle with radius 7 cm?

Answer: The area is 154 cm².

Question: What is the HCF of 24 and 36?

Answer: The HCF is 12.

Question: Convert 0.75 into a fraction.

Answer: 0.75 as a fraction is 3/4.

Question: What is the formula for the perimeter of a rectangle?

Answer: The formula is 2 × (length + breadth).

Question: What is the value of √49?

Answer: The value is 7.

Question: Solve: 2x – 3 = 7.

Answer: x = 5.

Question: Find the value of sin 30°.

Answer: The value of sin 30° is 0.5.

Question: What is the sum of the angles of a triangle?

Answer: The sum is 180°.

Question: Find the LCM of 4 and 6.

Answer: The LCM is 12.

Question: What is the value of 5³?

Answer: The value is 125.

Question: Convert 1.5 hours into minutes.

Answer: 1.5 hours is 90 minutes.

Question: What is the probability of getting a head in a coin toss?

Answer: The probability is 1/2.

Question: What is the value of π?

Answer: The value of π is approximately 3.14.

Question: Find the area of a triangle with base 10 cm and height 5 cm.

Answer: The area is 25 cm².

Question: What is the slope of a line parallel to the x-axis?

Answer: The slope is 0.

Question: What is the value of log10(100)?

Answer: The value is 2.

Question: Write the quadratic formula.

Answer: The quadratic formula is x = [-b ± √(b² – 4ac)] / 2a.

Science

Question: What is the chemical formula of water?

Answer: The chemical formula of water is H₂O.

Question: What is the SI unit of force?

Answer: The SI unit of force is Newton (N).

Question: Name the process by which plants make food.

Answer: The process is photosynthesis.

Question: What is the atomic number of oxygen?

Answer: The atomic number is 8.

Question: Define gravity.

Answer: Gravity is the force by which a planet attracts objects toward its center.

Question: Name the gas used by plants during photosynthesis.

Answer: The gas is carbon dioxide.

Question: What is the formula for speed?

Answer: The formula is speed = distance/time.

Question: What is the main organ of the circulatory system?

Answer: The main organ is the heart.

Question: Define evaporation.

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

Question: Name the three states of matter.

Answer: The three states are solid, liquid, and gas.

Question: What is the symbol for sodium?

Answer: The symbol is Na.

Question: What is the speed of light in a vacuum?

Answer: The speed is approximately 3 × 10⁸ m/s.

Question: Define friction.

Answer: Friction is the resistance that one surface or object encounters when moving over another.

Question: What is the pH value of neutral substances?

Answer: The pH value is 7.

Question: Name one renewable source of energy.

Answer: One renewable source of energy is solar energy.

Question: What is the unit of electric current?

Answer: The unit is Ampere (A).

Question: What is the boiling point of water at sea level?

Answer: The boiling point is 100°C.

Question: Define ecosystem.

Answer: An ecosystem is a community of interacting organisms and their environment.

Question: Name the hardest natural substance.

Answer: The hardest natural substance is diamond.

This comprehensive set of questions and answers from the Seba HSLC 2021 examination covers English, Mathematics, Science, and more. It aims to help students revise and understand concepts effectively for better preparation and academic success.