Jharkhand Board (JAC) - Class 8 previous year questions (PYQ)

2026 (1531 questions)

Q1.

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

(A)

Mitochondria, containing enzymes for the Krebs cycle and oxidative phosphorylation

(B)

Lysosomes, digesting cellular debris

(C)

Ribosomes, synthesizing proteins

(D)

Golgi apparatus, packaging lipids

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Q2.

In Physics, consider the de Broglie wavelength associated with a particle of mass $m$ moving with velocity $v$. Which statement correctly defines this principle?

(A)

\lambda = \frac{mv}{h}

(B)

\lambda = hp

(C)

\lambda = \frac{h}{mv} = \frac{h}{p}

(D)

\lambda = \frac{h}{2mv^2}

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2025 (287 questions)

Q1.

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

(A)

Conservation of Angular Momentum

(B)

Conservation of Energy

(C)

Conservation of Electric Charge ($\sum I_{\text{in}} = \sum I_{\text{out}}$)

(D)

Conservation of Linear Momentum

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Q2.

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 Momentum

(D)

Conservation of Charge

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2024 (610 questions)

Q1.

चक्रवृद्धि ब्याज (Compound Interest): 'एक चर वाले रैखिक समीकरण' में मिश्रधन $A$ का सूत्र क्या है?

(A)

$A = P \left(1 + \frac{R}{100}\right)^n$ (एक चर वाले रैखिक समीकरण)

(B)

$A = P \times R \times T$

(C)

$A = \frac{{P}}{{R \times T}}$

(D)

इनमें से कोई नहीं

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Q2.

Daffodil English (Class 8 / NMMS): What is the central theme of 'Grammar: Clauses, Complex Sentences, Reported Speech, Essay Writing'?

(A)

Moral courage, perseverance and knowledge (Grammar: Clauses, Complex Sentences, Reported Speech, Essay Writing)

(B)

Despair and negativity

(C)

Irresponsibility

(D)

None of these

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2023 (213 questions)

Q1.

हिंदी व्याकरण एवं साहित्य के अंतर्गत रस का स्थायी भाव: 'वीर रस' का स्थायी भाव क्या है? के संदर्भ में सही विकल्प का चयन कीजिए:

(A)

क्रोध (रौद्र रस)

(B)

शोक (करुण रस)

(C)

उत्साह

(D)

रति (श्रृंगार रस)

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Q2.

What is 30% of 400?

(A)

145

(B)

110

(C)

130

(D)

120

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2022 (201 questions)

Q1.

Regarding Sanskrit (सुभाषिणी भाग 3), which statement represents a core foundational principle of Correct grammatical structure of affirmative sentences?

(A)

Object + Verb + Subject

(B)

Subject + Verb + Object in standard grammatical syntax

(C)

Verb + Subject + Object

(D)

Object + Subject + Verb

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Q2.

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

(A)

+6

(B)

+2

(C)

+4

(D)

+7

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2021 (209 questions)

Q1.

In Chemistry, examine the topic of pH of a neutral aqueous solution at 25°C (298 K). Which statement is scientifically accurate?

(A)

pH = 7, where [H^+] = [OH^-] = 10^{-7} \text{ M}

(B)

pH = 14

(C)

pH = 0

(D)

pH = 1

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Q2.

हिंदी व्याकरण एवं साहित्य के अंतर्गत विलोम शब्द: 'अनुकूल' शब्द का सही विलोम शब्द क्या है? के संदर्भ में सही विकल्प का चयन कीजिए:

(A)

प्रतिकूल

(B)

दुष्कर

(C)

अनाकूल

(D)

विपरीत

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2020 (203 questions)

Q1.

प्रकाश एवं ध्वनि (NMMS & NTSE Prep): 'घर्षण' के संबंध में परावर्तन का नियम अथवा ध्वनि का संचरण क्या है?

(A)

आपतन कोण $=$ परावर्तन कोण ($\angle i = \angle r$) तथा निर्वात में ध्वनि संचरण असंभव (घर्षण)

(B)

ध्वनि निर्वात में तीव्रतम चलती है

(C)

आपतन कोण सदैव $90^\circ$ होता है

(D)

इनमें से कोई नहीं

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Q2.

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

(A)

Conservation of Momentum

(B)

Conservation of Charge

(C)

Conservation of Energy ($\sum \Delta V = 0$ in any closed loop)

(D)

Conservation of Magnetic Flux

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2019 (213 questions)

Q1.

हिंदी व्याकरण एवं साहित्य के अंतर्गत रस का स्थायी भाव: 'वीर रस' का स्थायी भाव क्या है? के संदर्भ में सही विकल्प का चयन कीजिए:

(A)

शोक (करुण रस)

(B)

क्रोध (रौद्र रस)

(C)

रति (श्रृंगार रस)

(D)

उत्साह

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Q2.

Solve the linear equation for $x$: $8x + 15 = 63$.

(A)

x = 7

(B)

x = 6

(C)

x = 8

(D)

x = 5

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2018 (226 questions)

Q1.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Direct to Indirect speech conversion: She said, 'I am studying for my board examination.'.

(A)

She said that she is studying for her board examination.

(B)

She says that she was studying for her board examination.

(C)

She said that she had studied for her board examination.

(D)

She said that she was studying for her board examination.

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Q2.

हिंदी व्याकरण एवं साहित्य के अंतर्गत अलंकार पहचान: 'कनक कनक ते सौ गुनी, मादकता अधिकाय। या खाए बौराय जग, या पाए बौराय।' में प्रयुक्त अलंकार के संदर्भ में सही विकल्प का चयन कीजिए:

(A)

श्लेष अलंकार

(B)

उपमा अलंकार

(C)

यमक अलंकार (एक ही शब्द का एक से अधिक बार भिन्न अर्थों में प्रयोग)

(D)

अनुप्रास अलंकार

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2017 (222 questions)

Q1.

धातु और अधातु (NMMS परीक्षा): 'घर्षण' का भौतिक अथवा रासायनिक गुणधर्म क्या है?

(A)

आघातवर्ध्यता, तन्यता, सुचालकता अथवा ऑक्साइड की प्रकृति (घर्षण)

(B)

धातुएं कुचालक होती हैं

(C)

अधातुएं तन्य होती हैं

(D)

इनमें से कोई नहीं

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Q2.

Regarding Sanskrit (सुभाषिणी भाग 3), which statement represents a core foundational principle of Correct grammatical structure of affirmative sentences?

(A)

Object + Subject + Verb

(B)

Object + Verb + Subject

(C)

Subject + Verb + Object in standard grammatical syntax

(D)

Verb + Subject + Object

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2016 (221 questions)

Q1.

In Chemistry, examine the topic of pH of a neutral aqueous solution at 25°C (298 K). Which statement is scientifically accurate?

(A)

pH = 7, where [H^+] = [OH^-] = 10^{-7} \text{ M}

(B)

pH = 1

(C)

pH = 0

(D)

pH = 14

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Q2.

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

(A)

+4

(B)

+7

(C)

+2

(D)

+6

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2015 (210 questions)

Q1.

Divide 25 in the ratio 2 : 3.

(A)

9 and 16

(B)

10 and 15

(C)

12 and 13

(D)

20 and 15

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Q2.

In Physics, consider the Relationship between focal length $f$ and radius of curvature $R$ for spherical mirrors. Which statement correctly defines this principle?

(A)

f = 2R

(B)

f = \frac{R}{2}

(C)

f = R^2

(D)

f = \frac{1}{R}

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