Jharkhand Board (JAC) - Class 7 previous year questions (PYQ)

2026 (1519 questions)

Q1.

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 = \frac{1}{R}

(B)

f = 2R

(C)

f = \frac{R}{2}

(D)

f = R^2

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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{1}{R}

(C)

f = R^2

(D)

f = \frac{R}{2}

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2025 (215 questions)

Q1.

In Physics, consider the Faraday's Law of Electromagnetic Induction equation. Which statement correctly defines this principle?

(A)

\mathcal{E} = N \Phi_B t

(B)

\mathcal{E} = N I R

(C)

\mathcal{E} = -\frac{N}{d\Phi_B/dt}

(D)

\mathcal{E} = -N \frac{d\Phi_B}{dt}, where negative sign represents Lenz's Law

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Q2.

In Physics, consider the SI unit of electric current and magnetic flux density. Which statement correctly defines this principle?

(A)

Volt (V) and Weber (Wb)

(B)

Ampere (A) and Tesla (T)

(C)

Coulomb (C) and Gauss (G)

(D)

Ohm (Ω) and Henry (H)

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2024 (349 questions)

Q1.

Divide 20 in the ratio 2 : 3.

(A)

8 and 12

(B)

16 and 12

(C)

10 and 10

(D)

7 and 13

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Q2.

विज्ञान (झारखंड 8वीं व NMMS): 'प्राणियों में पोषण' किस वैज्ञानिक सिद्धांत अथवा घटना से संबंधित है?

(A)

JCERT पाठ्यपुस्तक अनुसार यथार्थ वैज्ञानिक तथ्य (प्राणियों में पोषण)

(B)

अवैज्ञानिक मान्यता

(C)

भ्रामक तथ्य

(D)

इनमें से कोई नहीं

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2023 (185 questions)

Q1.

In Biological Sciences, identify the accurate description regarding Valve located between the left atrium and left ventricle of the human heart.

(A)

Bicuspid (Mitral) valve, preventing backflow of oxygenated blood during ventricular systole

(B)

Tricuspid valve

(C)

Pulmonary semilunar valve

(D)

Aortic semilunar valve

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Q2.

धातु और अधातु (NMMS परीक्षा): 'विद्युत धारा और इसके प्रभाव' का भौतिक अथवा रासायनिक गुणधर्म क्या है?

(A)

आघातवर्ध्यता, तन्यता, सुचालकता अथवा ऑक्साइड की प्रकृति (विद्युत धारा और इसके प्रभाव)

(B)

धातुएं कुचालक होती हैं

(C)

अधातुएं तन्य होती हैं

(D)

इनमें से कोई नहीं

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2022 (220 questions)

Q1.

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)

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

(B)

उपमा अलंकार

(C)

श्लेष अलंकार

(D)

अनुप्रास अलंकार

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Q2.

Solve the linear equation for $x$: $6x + 5 = 29$.

(A)

x = 4

(B)

x = 6

(C)

x = 3

(D)

x = 5

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2021 (223 questions)

Q1.

In Physics, consider the Nature and magnification of the image formed by a concave mirror when an object is placed at the center of curvature (C). Which statement correctly defines this principle?

(A)

Real, inverted, and diminished

(B)

Virtual, erect, and magnified

(C)

Real, inverted, and equal in size to the object (magnification m = -1)

(D)

Virtual, erect, and diminished

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Q2.

In Chemistry, examine the topic of Reagent used to distinguish between aldehydes and ketones. Which statement is scientifically accurate?

(A)

Neutral FeCl3 solution

(B)

Ninhydrin reagent

(C)

Lucas reagent

(D)

Tollens' reagent (Ammoniacal Silver Nitrate) which gives a silver mirror with aldehydes

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2020 (213 questions)

Q1.

Divide 30 in the ratio 2 : 3.

(A)

11 and 19

(B)

12 and 18

(C)

24 and 18

(D)

14 and 16

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Q2.

Regarding Sanskrit (सुभाषिणी भाग 2), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)

Eliminating apex predators from natural habitats

(B)

Maximizing industrial waste output

(C)

Accelerating deforestation for urban sprawl

(D)

Maintaining ecological equilibrium, nutrient cycling, and climate regulation

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2019 (204 questions)

Q1.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Active to Passive voice transformation: 'The government has constructed a new bridge across the river.'.

(A)

A new bridge was constructed across the river by the government.

(B)

A new bridge has been constructed across the river by the government.

(C)

A new bridge had been constructed across the river by the government.

(D)

A new bridge is being constructed across the river by the government.

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Q2.

What is 20% of 200?

(A)

50

(B)

40

(C)

30

(D)

65

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2018 (181 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 had studied for her board examination.

(B)

She said that she was studying for her board examination.

(C)

She said that she is studying for her board examination.

(D)

She says that she was studying for her board examination.

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Q2.

हिंदी व्याकरण एवं साहित्य के अंतर्गत मुहावरा: 'आँखों का तारा होना' मुहावरे का सही अर्थ क्या है? के संदर्भ में सही विकल्प का चयन कीजिए:

(A)

आँखों में चमक होना

(B)

अत्यधिक प्रिय होना

(C)

अंधेरे में दिखाई देना

(D)

बहुत सुंदर होना

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2017 (217 questions)

Q1.

Regarding Sanskrit (सुभाषिणी भाग 2), which statement represents a core foundational principle of Role of fundamental duties in the constitutional civic framework?

(A)

Granting absolute immunity from civil laws

(B)

Fostering civic consciousness, preserving national integrity, and protecting the environment

(C)

Mandating foreign citizenship upon majority

(D)

Allowing tax evasion under certain conditions

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Q2.

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 = 0

(C)

pH = 1

(D)

pH = 14

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2016 (193 questions)

Q1.

In Biological Sciences, identify the accurate description regarding Process by which green plants release water vapor into the atmosphere primarily through stomata.

(A)

Guttation

(B)

Respiration

(C)

Imbibition

(D)

Transpiration, which drives sap ascent and cools plant tissues

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Q2.

Solve the linear equation for $x$: $2x + 9 = 23$.

(A)

x = 8

(B)

x = 9

(C)

x = 7

(D)

x = 6

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2015 (201 questions)

Q1.

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 = hp

(B)

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

(C)

\lambda = \frac{mv}{h}

(D)

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

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Q2.

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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