School boards

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

3,920 previous year Jharkhand Board (JAC) - Class 7 questions, grouped by year, with answers and solutions.

Start free Book a demo

2026 (1519 questions)

Q1.
In Chemistry, examine the topic of Catalyst used in the Haber-Bosch process for industrial synthesis of Ammonia ($N_2 + 3H_2 \rightleftharpoons 2NH_3$). Which statement is scientifically accurate?

(A)
Nickel (Ni) in Raney form
(B)
Vanadium pentoxide (V2O5)
(C)
Platinum gauze (Pt)
(D)
Finely divided Iron (Fe) with Molybdenum (Mo) or K2O/Al2O3 as promoter
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In Physics, consider the Conservation principle underlying Kirchhoff's Junction Rule (Current Law). Which statement correctly defines this principle?

(A)
Conservation of Electric Charge ($\sum I_{\text{in}} = \sum I_{\text{out}}$)
(B)
Conservation of Linear Momentum
(C)
Conservation of Energy
(D)
Conservation of Angular Momentum
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2025 (215 questions)

Q1.
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)
Epinephrine, triggering fight-or-flight response
(B)
Glucagon, promoting glycogenolysis
(C)
Somatostatin, inhibiting digestive secretions
(D)
Insulin, which facilitates cellular glucose uptake and promotes glycogenesis
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
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)
अनुप्रास अलंकार
(D)
यमक अलंकार (एक ही शब्द का एक से अधिक बार भिन्न अर्थों में प्रयोग)
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2024 (349 questions)

Q1.

बीजीय व्यंजक एवं सर्वसमिकाएं (Akanksha 40 Foundation): 'भिन्न एवं दशमलव' के अनुसार $(a - b)^2$ का विस्तार क्या है?


(A)
$a^2 - 2ab + b^2$ (भिन्न एवं दशमलव)
(B)
$a^2 + b^2$
(C)
$a^2 + 2ab + b^2$
(D)
$(a + b)^2$
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.

सूक्ष्मजीव एवं मानव कल्याण: 'मध्यकालीन भारत व झारखंड: नए राजा और उनके राज्य, छोटानागपुर के नागवंशी शासक, मुगल प्रभाव' किस प्रकार के सूक्ष्मजीव से संबंधित है?


(A)
सटीक सूक्ष्मजीव वर्ग एवं उसका प्रभाव (मध्यकालीन भारत व झारखंड: नए राजा और उनके राज्य, छोटानागपुर के नागवंशी शासक, मुगल प्रभाव)
(B)
विषाक्त अकार्बनिक तत्व
(C)
अक्रिय गैस
(D)
इनमें से कोई नहीं
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2023 (185 questions)

Q1.
In Biological Sciences, identify the accurate description regarding Primary photosynthetic pigment responsible for absorbing blue and red light wavelengths.

(A)
Carotenoids
(B)
Chlorophyll a
(C)
Anthocyanin
(D)
Phycobilin
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
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
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2022 (220 questions)

Q1.

सूक्ष्मजीव एवं मानव कल्याण: 'हमारी पृथ्वी: हमारी पृथ्वी के अंदर, पर्यावरण, वायु और जल' किस प्रकार के सूक्ष्मजीव से संबंधित है?


(A)
सटीक सूक्ष्मजीव वर्ग एवं उसका प्रभाव (हमारी पृथ्वी: हमारी पृथ्वी के अंदर, पर्यावरण, वायु और जल)
(B)
विषाक्त अकार्बनिक तत्व
(C)
अक्रिय गैस
(D)
इनमें से कोई नहीं
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
What is 50% of 200?

(A)
125
(B)
110
(C)
100
(D)
90
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2021 (223 questions)

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

(A)
Lysosomes, digesting cellular debris
(B)
Mitochondria, containing enzymes for the Krebs cycle and oxidative phosphorylation
(C)
Golgi apparatus, packaging lipids
(D)
Ribosomes, synthesizing proteins
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In Biological Sciences, identify the accurate description regarding Structural and functional filtration unit of the human kidney.

(A)
Alveolus
(B)
Hepatic lobule
(C)
Neuron
(D)
Nephron, consisting of glomerulus, Bowman's capsule, and renal tubule
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2020 (213 questions)

Q1.
In English Language and Grammar, identify the grammatically correct sentence or rule regarding Subject-Verb Agreement with distributive pronouns ('neither of', 'either of').

(A)
Neither of the candidates have submitted the required documentation.
(B)
Neither of the candidates were submitted documentation.
(C)
Neither of the candidates are submitting the documentation.
(D)
Neither of the candidates has submitted the required documentation.
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.

प्रकाश एवं ध्वनि (NMMS & NTSE Prep): 'भौतिक एवं रासायनिक परिवर्तन' 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 (भौतिक एवं रासायनिक परिवर्तन)
(B)
ध्वनि निर्वात में तीव्रतम चलती है
(C)
आपतन कोण सदैव $90^\circ$ होता है
(D)
इनमें से कोई नहीं
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2019 (204 questions)

Q1.
Regarding Sanskrit (सुभाषिणी भाग 2), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)
Accelerating deforestation for urban sprawl
(B)
Maintaining ecological equilibrium, nutrient cycling, and climate regulation
(C)
Maximizing industrial waste output
(D)
Eliminating apex predators from natural habitats
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
Regarding Sanskrit (सुभाषिणी भाग 2), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)
Accelerating deforestation for urban sprawl
(B)
Maximizing industrial waste output
(C)
Eliminating apex predators from natural habitats
(D)
Maintaining ecological equilibrium, nutrient cycling, and climate regulation
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2018 (181 questions)

Q1.
In Chemistry, examine the topic of Catalyst used in the Haber-Bosch process for industrial synthesis of Ammonia ($N_2 + 3H_2 \rightleftharpoons 2NH_3$). Which statement is scientifically accurate?

(A)
Finely divided Iron (Fe) with Molybdenum (Mo) or K2O/Al2O3 as promoter
(B)
Nickel (Ni) in Raney form
(C)
Vanadium pentoxide (V2O5)
(D)
Platinum gauze (Pt)
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
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
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2017 (217 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)
Respiration
(B)
Guttation
(C)
Transpiration, which drives sap ascent and cools plant tissues
(D)
Imbibition
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
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)
Somatostatin, inhibiting digestive secretions
(B)
Epinephrine, triggering fight-or-flight response
(C)
Glucagon, promoting glycogenolysis
(D)
Insulin, which facilitates cellular glucose uptake and promotes glycogenesis
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2016 (193 questions)

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

(A)
+4
(B)
+2
(C)
+7
(D)
+6
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
In English Language and Grammar, identify the grammatically correct sentence or rule regarding Subject-Verb Agreement with distributive pronouns ('neither of', 'either of').

(A)
Neither of the candidates have submitted the required documentation.
(B)
Neither of the candidates were submitted documentation.
(C)
Neither of the candidates are submitting the documentation.
(D)
Neither of the candidates has submitted the required documentation.
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view

2015 (201 questions)

Q1.
In English Language and Grammar, identify the grammatically correct sentence or rule regarding Subject-Verb Agreement with distributive pronouns ('neither of', 'either of').

(A)
Neither of the candidates have submitted the required documentation.
(B)
Neither of the candidates are submitting the documentation.
(C)
Neither of the candidates were submitted documentation.
(D)
Neither of the candidates has submitted the required documentation.
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
Q2.
Regarding Sanskrit (सुभाषिणी भाग 2), which statement represents a core foundational principle of Correct grammatical structure of affirmative sentences?

(A)
Subject + Verb + Object in standard grammatical syntax
(B)
Object + Subject + Verb
(C)
Object + Verb + Subject
(D)
Verb + Subject + Object
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers and step-by-step solutions.
Sign in to view
All Years Protected

Want All 3920 Jharkhand Board (JAC) - Class 7 PYQs?

Sign up free to unlock every previous year question paper with detailed solutions, practice in timed exam mode, and evaluate your rank.

Sign in to unlock Create free account

Ready to practice Jharkhand Board (JAC) - Class 7 PYQs?

Sign up free to unlock every previous year question and generate papers from them.

Start free Chat on WhatsApp