Junior college (Class 11-12)

Jharkhand Board (JAC) - Class 12 (Intermediate) previous year questions (PYQ)

17,268 previous year Jharkhand Board (JAC) - Class 12 (Intermediate) questions, grouped by year, with answers and solutions.

2026 (3143 questions)

Q1.
What is 77 minus 22?

(A)
55
(B)
60
(C)
54
(D)
56
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Q2.

Reading Comprehension: Based on 'वित्तीय विवरणों का विश्लेषण एवं लेखांकन अनुपात', which statement is true?


(A)
Factually accurate according to JCERT textbook (वित्तीय विवरणों का विश्लेषण एवं लेखांकन अनुपात)
(B)
Contradictory statement
(C)
False statement
(D)
None of these
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2025 (1036 questions)

Q1.

Refer to the Case Study 'Case Study: The Chlor-Alkali Electrochemical Process in Chemical Industry' to answer:

What reaction occurs at the cathode during brine electrolysis?


(A)
Reduction of water/protons to evolve hydrogen gas: $2H_2O + 2e^- \rightarrow H_2 + 2OH^-$
(B)
Reduction of sodium ions to metallic sodium: $Na^+ + e^- \rightarrow Na$
(C)
Oxidation of sodium hydroxide to oxygen gas
(D)
Disproportionation of chlorate ions
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Q2.

Refer to the Case Study 'Case Study: The Chlor-Alkali Electrochemical Process in Chemical Industry' to answer:

Why is sodium hydroxide ($NaOH$) formed specifically in the cathode compartment?


(A)
Hydrated $Na^+$ ions migrate across the cation membrane and pair with $OH^-$ ions generated by water reduction
(B)
Solid sodium precipitates and reacts violently with ambient air
(C)
Chlorine gas dissolves in the catholyte forming hypochlorous acid
(D)
Anode corrosion releases basic sodium compounds
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2024 (3645 questions)

Q1.
In Social Science / Indian Studies, identify the historically and geographically correct fact regarding Sector of the Indian economy that includes agriculture, dairy, fishing, and forestry.

(A)
Quaternary Sector (Research & Information)
(B)
Primary Sector, directly dependent on exploitation of natural resources
(C)
Secondary Sector (Manufacturing & Industry)
(D)
Tertiary Sector (Services & Banking)
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Q2.
In Biological Sciences, identify the accurate description regarding Hormone secreted by beta cells of the Islets of Langerhans in the pancreas to lower blood glucose.

(A)
Insulin, which facilitates cellular glucose uptake and promotes glycogenesis
(B)
Glucagon, promoting glycogenolysis
(C)
Epinephrine, triggering fight-or-flight response
(D)
Somatostatin, inhibiting digestive secretions
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2023 (1074 questions)

Q1.
In Chemistry, examine the topic of Oxidation state of Manganese in Potassium Permanganate ($KMnO_4$). Which statement is scientifically accurate?

(A)
+7
(B)
+6
(C)
+2
(D)
+4
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Q2.

Sentence Construction: Which sentence correctly uses 'साझेदारी फर्म का विघटन'?


(A)
Grammatically sound sentence (साझेदारी फर्म का विघटन)
(B)
Incorrect tense usage
(C)
Wrong subject-verb agreement
(D)
None of these
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2022 (1080 questions)

Q1.
In Physics, consider the Conservation principle underlying Kirchhoff's Loop Rule (Voltage Law). Which statement correctly defines this principle?

(A)
Conservation of Magnetic Flux
(B)
Conservation of Energy ($\sum \Delta V = 0$ in any closed loop)
(C)
Conservation of Charge
(D)
Conservation of Momentum
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Q2.
In Biological Sciences, identify the accurate description regarding Universal blood recipient group in the ABO blood typing system.

(A)
AB positive (AB+), because RBCs possess both A and B antigens and plasma lacks anti-A and anti-B antibodies
(B)
A positive (A+)
(C)
O negative (O-)
(D)
B positive (B+)
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2021 (1014 questions)

Q1.
Regarding Sociology (समाजशास्त्र - I.A 12th JAC Board), which statement represents a core foundational principle of Role of fundamental duties in the constitutional civic framework?

(A)
Allowing tax evasion under certain conditions
(B)
Fostering civic consciousness, preserving national integrity, and protecting the environment
(C)
Granting absolute immunity from civil laws
(D)
Mandating foreign citizenship upon majority
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Q2.
In Business Studies and Accountancy, what is the core principle governing Four Ps of the traditional Marketing Mix formulated by E. Jerome McCarthy?

(A)
People, Process, Physical Evidence, and Performance
(B)
Production, Planning, Purchasing, and Publicity
(C)
Package, Position, Profit, and Policy
(D)
Product, Price, Place, and Promotion
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2020 (1000 questions)

Q1.

Sunshine English (Class 1-5): What is the core message of 'नियोजन (Planning)'?


(A)
Kindness, curiosity and friendship (नियोजन (Planning))
(B)
Rudeness
(C)
Carelessness
(D)
None of these
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Q2.

Grammar: Identify the part of speech in 'मानव विकास':


(A)
Noun, pronoun, verb or adjective (मानव विकास)
(B)
Punctuation only
(C)
Conjunction only
(D)
None of these
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2019 (1040 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): A convex mirror is commonly used as a driver's rear-view mirror in automobiles.

Reason (R): A convex mirror always forms an erect, virtual, and diminished image, providing a much wider field of view.


(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.
In English Language and Grammar, identify the grammatically correct sentence or rule regarding Conditional Clause Type 3 structure for hypothetical past situations.

(A)
If they have alerted the authorities, the accident would prevent.
(B)
If they had alerted the authorities earlier, the accident would have been prevented.
(C)
If they alerted the authorities earlier, the accident will be prevented.
(D)
If they would alert the authorities, the accident had been prevented.
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2018 (1027 questions)

Q1.
In Business Studies and Accountancy, what is the core principle governing Depreciation method where a constant percentage is written off each year on the diminishing book value?

(A)
Straight Line Method (SLM)
(B)
Annuity Method
(C)
Sinking Fund Method
(D)
Written Down Value (WDV) / Reducing Balance Method
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Q2.
In Business Studies and Accountancy, what is the core principle governing Four Ps of the traditional Marketing Mix formulated by E. Jerome McCarthy?

(A)
People, Process, Physical Evidence, and Performance
(B)
Production, Planning, Purchasing, and Publicity
(C)
Package, Position, Profit, and Policy
(D)
Product, Price, Place, and Promotion
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2017 (1104 questions)

Q1.

गणित का जादू (झारखंड प्राथमिक JCERT): 'संबंध एवं फलन (Relations & Functions)' की मूल संकल्पना क्या दर्शाती है?


(A)
सटीक गणितीय मान व संक्रिया (संबंध एवं फलन (Relations & Functions))
(B)
त्रुटिपूर्ण मान
(C)
अपरिभाषित मान
(D)
इनमें से कोई नहीं
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Q2.

गुणा, भाग एवं ऐकिक नियम: 'समाकलन (Integrals)' के आधार पर एक इकाई का मान ज्ञात करने हेतु कौन-सी संक्रिया होगी?


(A)
भाग देकर एक इकाई का मान और गुणा द्वारा अभीष्ट मान ज्ञात करना (समाकलन (Integrals))
(B)
केवल जोड़ना
(C)
केवल घटाना
(D)
इनमें से कोई नहीं
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2016 (1051 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): 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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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): Systemic arteries have thick, elastic muscular walls compared to veins.

Reason (R): Arterial blood flows under high, pulsatile hydrostatic pressure generated by ventricular systole.


(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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2015 (1054 questions)

Q1.
In Biological Sciences, identify the accurate description regarding Powerhouse of the eukaryotic cell responsible for cellular respiration and ATP synthesis.

(A)
Ribosomes, synthesizing proteins
(B)
Golgi apparatus, packaging lipids
(C)
Mitochondria, containing enzymes for the Krebs cycle and oxidative phosphorylation
(D)
Lysosomes, digesting cellular debris
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Q2.
In Social Science / Indian Studies, identify the historically and geographically correct fact regarding Year of the historic Dandi March (Salt Satyagraha) led by Mahatma Gandhi.

(A)
1920 (Non-Cooperation Movement)
(B)
1919 (Rowlatt Satyagraha)
(C)
1942 (Quit India Movement)
(D)
1930 (commenced from Sabarmati Ashram on March 12, 1930)
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