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Assam Board (SEBA / AHSEC) - Class 9 previous year questions (PYQ)

6,236 previous year Assam Board (SEBA / AHSEC) - Class 9 questions, grouped by year, with answers and solutions.

2026 (2354 questions)

Q1.

দ্বিঘাত সমীকৰণ: 'ইউক্লিডৰ জ্যামিতি পৰিচয়' সমীকৰণ $ax^2 + bx + c = 0$ ৰ ভেদ নিৰূপক $D = b^2 - 4ac > 0$ হ'লে মূল দুটাৰ প্ৰকৃতি কি হ'ব?

(A)

বাস্তৱ আৰু অসমান (ইউক্লিডৰ জ্যামিতি পৰিচয়)

(B)

বাস্তৱ আৰু সমান

(C)

অবাস্তৱ বা কাল্পনিক

(D)

ওপৰৰ এটাও নহয়

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Q2.
Regarding Assamese (অসমীয়া সাহিত্য চয়নিকা - ৯), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)
Maximizing industrial waste output
(B)
Eliminating apex predators from natural habitats
(C)
Maintaining ecological equilibrium, nutrient cycling, and climate regulation
(D)
Accelerating deforestation for urban sprawl
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2025 (339 questions)

Q1.

Refer to the Case Study 'Case Study: Hazardous Enterprise and Supreme Court Doctrine of Absolute Liability' to answer:

What measure of financial compensation did the Supreme Court establish in the M.C. Mehta Oleum Gas case?


(A)
The measure of damages must be exemplary and correlated to the financial magnitude and wealth of the enterprise
(B)
Damages are strictly limited to verified hospital pharmacy bills
(C)
Damages are paid exclusively from the State disaster relief treasury
(D)
No financial compensation is awarded without a formal criminal conviction
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Q2.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): An employer is vicariously liable for tortious civil wrongs committed by an employee during the authorized course of employment.

Reason (R): The doctrine of vicarious liability is founded on the legal maxims *respondeat superior* (let the master answer) and *qui facit per alium facit per se*.


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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2024 (720 questions)

Q1.

সমান্তৰ প্ৰগতি (AP): 'বাস্তৱ সংখ্যা (Real Numbers)' প্ৰগতিত প্ৰথম পদ $a$ আৰু সাধাৰণ অন্তৰ $d$ হ'লে $n$-তম পদ $a_n$ ৰ সূত্ৰ কি?

(A)

$a_n = a + (n-1)d$ আৰু $S_n = \frac{n}{2}[2a + (n-1)d]$ (বাস্তৱ সংখ্যা (Real Numbers))

(B)

$a_n = a + nd$

(C)

$a_n = a - nd$

(D)

ওপৰৰ এটাও নহয়

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Q2.

সমান্তৰ প্ৰগতি (AP): 'বাস্তৱ সংখ্যা (Real Numbers)' প্ৰগতিত প্ৰথম পদ $a$ আৰু সাধাৰণ অন্তৰ $d$ হ'লে $n$-তম পদ $a_n$ ৰ সূত্ৰ কি?

(A)

$a_n = a + (n-1)d$ আৰু $S_n = \frac{n}{2}[2a + (n-1)d]$ (বাস্তৱ সংখ্যা (Real Numbers))

(B)

$a_n = a + nd$

(C)

$a_n = a - nd$

(D)

ওপৰৰ এটাও নহয়

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2023 (311 questions)

Q1.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): Terrace farming is widely practiced in hilly and mountainous agro-ecosystems.

Reason (R): Terraces create stepped flat platforms along slopes that significantly reduce the surface velocity of water runoff and prevent topsoil erosion.


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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Q2.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): The Simon Commission was met with widespread nationwide boycotts and black flag protests upon landing in Bombay in 1928.

Reason (R): The British colonial government failed to appoint a single Indian representative to the seven-member Indian Statutory Commission.


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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2022 (306 questions)

Q1.
Calculate the volume of a right circular cylinder having radius $r = 7\text{ cm}$ and height $h = 11\text{ cm}$ (use $\pi = \frac{22}{7}$).

(A)
1694 cm³
(B)
1540 cm³
(C)
1804 cm³
(D)
1129 cm³
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Q2.
Regarding Assamese (অসমীয়া সাহিত্য চয়নিকা - ৯), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)
Maximizing industrial waste output
(B)
Accelerating deforestation for urban sprawl
(C)
Eliminating apex predators from natural habitats
(D)
Maintaining ecological equilibrium, nutrient cycling, and climate regulation
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2021 (311 questions)

Q1.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): Under the Constitution of India, the judiciary enjoys structural independence from executive and legislative interference.

Reason (R): Judges of the Supreme Court and High Courts have security of tenure and their judicial salaries are charged directly to the Consolidated Fund of India.


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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Q2.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): An employer is vicariously liable for tortious civil wrongs committed by an employee during the authorized course of employment.

Reason (R): The doctrine of vicarious liability is founded on the legal maxims *respondeat superior* (let the master answer) and *qui facit per alium facit per se*.


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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2020 (290 questions)

Q1.
Regarding Assamese (অসমীয়া সাহিত্য চয়নিকা - ৯), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)
Maximizing industrial waste output
(B)
Accelerating deforestation for urban sprawl
(C)
Eliminating apex predators from natural habitats
(D)
Maintaining ecological equilibrium, nutrient cycling, and climate regulation
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Q2.
What is the area of a square whose side length is 3 cm?

(A)
9 cm²
(B)
12 cm²
(C)
21 cm²
(D)
18 cm²
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2019 (330 questions)

Q1.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): Danger signals on communication towers and traffic posts are always illuminated in red color.

Reason (R): Red light has the longest wavelength in the visible spectrum and suffers minimum Rayleigh scattering ($I \propto 1/\lambda^4$) through fog and smoke.


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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Q2.

Refer to the Case Study 'Case Study: Hazardous Enterprise and Supreme Court Doctrine of Absolute Liability' to answer:

What is the crucial legal distinction between the English rule of 'Strict Liability' and Indian 'Absolute Liability'?


(A)
Absolute Liability admits of no statutory exceptions whatsoever (such as Act of God, third-party act, or consent)
(B)
Absolute liability applies only to government-owned public sector enterprises
(C)
Strict liability requires proof of criminal mens rea while absolute liability does not
(D)
Absolute liability caps total damage compensation at 1 lakh rupees
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2018 (306 questions)

Q1.
In Physics, consider the Speed of electromagnetic waves in a vacuum according to Maxwell. Which statement correctly defines this principle?

(A)
c = \mu_0 \varepsilon_0
(B)
c = \sqrt{\mu_0 \varepsilon_0}
(C)
c = \frac{1}{\sqrt{\mu_0 \varepsilon_0}} \approx 3 \times 10^8 \text{ m/s}
(D)
c = \frac{\mu_0}{\varepsilon_0}
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Q2.
Regarding Assamese (অসমীয়া সাহিত্য চয়নিকা - ৯), which statement represents a core foundational principle of Correct grammatical structure of affirmative sentences?

(A)
Verb + Subject + Object
(B)
Object + Subject + Verb
(C)
Object + Verb + Subject
(D)
Subject + Verb + Object in standard grammatical syntax
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2017 (339 questions)

Q1.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): Diamond sparkles brilliantly with internal radiance.

Reason (R): Total internal reflection of light occurs inside diamond because its critical angle is exceptionally small (approximately 24.4°).


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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Q2.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): An agreement entered into without lawful consideration is void ab initio under Section 25 of the Indian Contract Act 1872.

Reason (R): Lawful consideration is a mandatory statutory pillar of contractual enforceability under the legal maxim *ex nudo pacto non oritur actio*.


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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2016 (322 questions)

Q1.

অসমীয়া ব্যাকৰণ (সন্ধি, সমাস, ণত্ব আৰু ষত্ব বিধি): 'গদ্য: অন্ধবিশ্বাস আৰু কুসংস্কাৰ, ভাৰতীয় সংস্কৃতি' পদটোত কোনটো ব্যাকৰণগত নিয়ম প্ৰযোজ্য হৈছে?

(A)

তৎসম শব্দৰ ণত্ব/ষত্ব বিধি অথবা বিশিষ্ট সমাসৰ নিয়ম (গদ্য: অন্ধবিশ্বাস আৰু কুসংস্কাৰ, ভাৰতীয় সংস্কৃতি)

(B)

নিয়মহীন বানান

(C)

বিদেশী শব্দৰ প্ৰয়োগ

(D)

ওপৰৰ এটাও নহয়

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Q2.

ৰাসায়নিক বিক্ৰিয়া আৰু সমীকৰণ (SEBA HSLC Science): 'প্ৰাকৃতিক সম্পদ' বিক্ৰিয়াটো কোন প্ৰকাৰৰ বিক্ৰিয়া?

(A)

সংযোজন, বিযোজন, অপসাৰণ অথবা দ্বি-অপসাৰণ বিক্ৰিয়া (প্ৰাকৃতিক সম্পদ)

(B)

কেৱল ভৌতিক পৰিৱৰ্তন

(C)

পাৰমাণৱিক বিস্ফোৰণ

(D)

ওপৰৰ এটাও নহয়

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2015 (308 questions)

Q1.

Refer to the Case Study 'Case Study: Parabolic Cable Geometry in Civil Engineering Suspension Bridges' to answer:

What is the vertical height of the suspension cable at a horizontal distance of $25\text{ m}$ from the bridge center?


(A)
$y = 0.008(25)^2 + 5 = 0.008(625) + 5 = 5 + 5 = 10\text{ m}$
(B)
$y = 15\text{ m}$
(C)
$y = 12.5\text{ m}$
(D)
$y = 8\text{ m}$
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Q2.

Refer to the Case Study 'Case Study: Parabolic Cable Geometry in Civil Engineering Suspension Bridges' to answer:

Determine the parameter $c$ in the parabolic equation $y = ax^2 + c$ from the vertex information.


(A)
$c = 5\text{ m}$
(B)
$c = 0\text{ m}$
(C)
$c = 25\text{ m}$
(D)
$c = 50\text{ m}$
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