Junior college (Class 11-12)

Odisha Board - Class 10 (HSC Matric) previous year questions (PYQ)

10,416 previous year Odisha Board - Class 10 (HSC Matric) questions, grouped by year, with answers and solutions.

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2026 (1514 questions)

Q1.
Calculate 4 × 5.

(A)
24
(B)
20
(C)
15
(D)
22
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Q2.

ଗୁଣନ, ହରଣ ଓ ଐକିକ ନିୟମ: 'ସମାନ୍ତର ପ୍ରଗତି (Arithmetic Progression - A.P.)' ରେ ଗୋଟିଏ ବସ୍ତୁର ମୂଲ୍ୟ ବାହାର କରିବା ପାଇଁ କ’ଣ କରିବାକୁ ହେବ?


(A)
ହରଣ କରି ଗୋଟିକର ମୂଲ୍ୟ ଏବଂ ଗୁଣନ କରି ଅଧିକ ବସ୍ତୁର ମୂଲ୍ୟ ନିର୍ଣ୍ଣୟ (ସମାନ୍ତର ପ୍ରଗତି (Arithmetic Progression - A.P.))
(B)
କେବଳ ମିଶାଇବା
(C)
କେବଳ ଫେଡ଼ିବା
(D)
ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ
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2025 (754 questions)

Q1.

[SAT] What is the commercial unit of electrical energy consumed in Indian households?


(A)
Kilowatt-hour (kWh) or 1 'Unit'
(B)
Joule per second
(C)
Volt-Ampere
(D)
Coulomb
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Q2.

[MAT] Pointing to a photograph, a woman said, 'He is the only son of the father of my brother.' How is the man in the photograph related to the woman?


(A)
Brother
(B)
Father
(C)
Uncle
(D)
Nephew
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2024 (1722 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)
Platinum gauze (Pt)
(B)
Vanadium pentoxide (V2O5)
(C)
Nickel (Ni) in Raney form
(D)
Finely divided Iron (Fe) with Molybdenum (Mo) or K2O/Al2O3 as promoter
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Q2.
In Physics, consider the Phenomenon responsible for the twinkling of stars in the night sky. Which statement correctly defines this principle?

(A)
Atmospheric refraction of starlight through turbulent air layers of varying refractive indices
(B)
Total internal reflection inside clouds
(C)
Diffraction of light by interstellar dust
(D)
Dispersion of light by water droplets
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2023 (695 questions)

Q1.
In Physics, consider the Work-Energy Theorem statement for a particle. Which statement correctly defines this principle?

(A)
Work done by all forces acting on a particle equals the change in its kinetic energy ($W = \Delta K$)
(B)
Work done equals rate of change of momentum
(C)
Work done is always zero under variable forces
(D)
Work done equals change in potential energy only
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Q2.

ଓଡ଼ିଶାର ପ୍ରଧାନ ନଦୀ ଓ ଜଳସମ୍ପଦ: 'ରାସାୟନିକ ପ୍ରତିକ୍ରିୟା ଓ ରାସାୟନିକ ସମୀକରଣ' (ମହାନଦୀ, ହୀରାକୁଦ) ର ମୁଖ୍ୟ ଉଦ୍ଦେଶ୍ୟ କ’ଣ?


(A)
ବନ୍ୟା ନିୟନ୍ତ୍ରଣ, ଜଳସେଚନ ଓ ଜଳବିଦ୍ୟୁତ୍ ଉତ୍ପାଦନ (ରାସାୟନିକ ପ୍ରତିକ୍ରିୟା ଓ ରାସାୟନିକ ସମୀକରଣ)
(B)
କେବଳ ନଦୀ ପ୍ରଦୂଷଣ
(C)
ଜଳ ନିଷ୍କାସନ ବନ୍ଦ କରିବା
(D)
ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ
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2022 (720 questions)

Q1.
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 had alerted the authorities earlier, the accident would have been prevented.
(B)
If they would alert the authorities, the accident had been prevented.
(C)
If they have alerted the authorities, the accident would prevent.
(D)
If they alerted the authorities earlier, the accident will be prevented.
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Q2.
In English Language and Grammar, identify the grammatically correct sentence or rule regarding Appropriate preposition: 'He was thoroughly accustomed _____ working under strict deadlines.'.

(A)
to
(B)
for
(C)
with
(D)
in
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2021 (738 questions)

Q1.
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 alerted the authorities earlier, the accident will be prevented.
(B)
If they had alerted the authorities earlier, the accident would have been prevented.
(C)
If they would alert the authorities, the accident had been prevented.
(D)
If they have alerted the authorities, the accident would prevent.
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Q2.
In Physics, consider the Ohm's Law relationship between voltage $V$, current $I$, and resistance $R$. Which statement correctly defines this principle?

(A)
V = I / R
(B)
V = I^2 R
(C)
V = IR, where resistance remains constant at constant temperature
(D)
V = R / I
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2020 (679 questions)

Q1.

ବିପରୀତ ଓ ଯୁଗ୍ମ ଶବ୍ଦ: 'ବ୍ୟାକରଣ: ବାକ୍ୟ ବିଚାର (ସରଳ, ଯୌଗିକ, ଜଟିଳ ବାକ୍ୟ), ସମାସ (ତତ୍ପୁରୁଷ, ଦ୍ୱନ୍ଦ୍ୱ, ବହୁବ୍ରୀହି, କର୍ମଧାରୟ), କୃଦନ୍ତ ଓ ତଦ୍ଧିତ, ରୂଢ଼ି ଓ ଲୋକବାଣୀ, ଛନ୍ଦ ଓ ଅଳଙ୍କାର, ଦରଖାସ୍ତ ଓ ରଚନା ଲିଖନ' ର ସଠିକ୍ ବିପରୀତାର୍ଥବୋଧକ ଶବ୍ଦ କ’ଣ?


(A)
ବ୍ୟାକରଣାନୁମୋଦିତ ସଠିକ୍ ରୂପ (ବ୍ୟାକରଣ: ବାକ୍ୟ ବିଚାର (ସରଳ, ଯୌଗିକ, ଜଟିଳ ବାକ୍ୟ), ସମାସ (ତତ୍ପୁରୁଷ, ଦ୍ୱନ୍ଦ୍ୱ, ବହୁବ୍ରୀହି, କର୍ମଧାରୟ), କୃଦନ୍ତ ଓ ତଦ୍ଧିତ, ରୂଢ଼ି ଓ ଲୋକବାଣୀ, ଛନ୍ଦ ଓ ଅଳଙ୍କାର, ଦରଖାସ୍ତ ଓ ରଚନା ଲିଖନ)
(B)
ଅଶୁଦ୍ଧ ଶବ୍ଦ
(C)
ଭ୍ରମାତ୍ମକ ରୂପ
(D)
ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ
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Q2.

ବିପରୀତ ଓ ଯୁଗ୍ମ ଶବ୍ଦ: 'ବ୍ୟାକରଣ: ବାକ୍ୟ ବିଚାର (ସରଳ, ଯୌଗିକ, ଜଟିଳ ବାକ୍ୟ), ସମାସ (ତତ୍ପୁରୁଷ, ଦ୍ୱନ୍ଦ୍ୱ, ବହୁବ୍ରୀହି, କର୍ମଧାରୟ), କୃଦନ୍ତ ଓ ତଦ୍ଧିତ, ରୂଢ଼ି ଓ ଲୋକବାଣୀ, ଛନ୍ଦ ଓ ଅଳଙ୍କାର, ଦରଖାସ୍ତ ଓ ରଚନା ଲିଖନ' ର ସଠିକ୍ ବିପରୀତାର୍ଥବୋଧକ ଶବ୍ଦ କ’ଣ?


(A)
ବ୍ୟାକରଣାନୁମୋଦିତ ସଠିକ୍ ରୂପ (ବ୍ୟାକରଣ: ବାକ୍ୟ ବିଚାର (ସରଳ, ଯୌଗିକ, ଜଟିଳ ବାକ୍ୟ), ସମାସ (ତତ୍ପୁରୁଷ, ଦ୍ୱନ୍ଦ୍ୱ, ବହୁବ୍ରୀହି, କର୍ମଧାରୟ), କୃଦନ୍ତ ଓ ତଦ୍ଧିତ, ରୂଢ଼ି ଓ ଲୋକବାଣୀ, ଛନ୍ଦ ଓ ଅଳଙ୍କାର, ଦରଖାସ୍ତ ଓ ରଚନା ଲିଖନ)
(B)
ଅଶୁଦ୍ଧ ଶବ୍ଦ
(C)
ଭ୍ରମାତ୍ମକ ରୂପ
(D)
ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ
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2019 (720 questions)

Q1.

[SAT] Which gas is primarily responsible for the greenhouse effect and global warming?


(A)
Carbon dioxide ($CO_2$)
(B)
Nitrogen ($N_2$)
(C)
Oxygen ($O_2$)
(D)
Argon ($Ar$)
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Q2.

What is meant by the agricultural practice of 'Fertigation'?


(A)
Injecting water-soluble fertilizers directly through the pressurized micro-irrigation system
(B)
Spraying solid urea crystals manually during high monsoon rainfall
(C)
Growing leguminous crops alongside cereal crops without water
(D)
Burning crop stubble to fertilize topsoil with potash ash
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2018 (704 questions)

Q1.
In Chemistry, examine the topic of Functional group present in all Carboxylic Acids. Which statement is scientifically accurate?

(A)
CHO (Formyl group)
(B)
OH (Alcoholic hydroxyl group)
(C)
CO- (Carbonyl ketone group)
(D)
COOH (Carboxyl group composed of carbonyl and hydroxyl groups)
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Q2.
In Biological Sciences, identify the accurate description regarding Structural and functional filtration unit of the human kidney.

(A)
Nephron, consisting of glomerulus, Bowman's capsule, and renal tubule
(B)
Alveolus
(C)
Hepatic lobule
(D)
Neuron
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2017 (725 questions)

Q1.
Regarding Odia (ସାହିତ୍ୟ ସିନ୍ଧୁ - ମାଧ୍ୟମିକ ବୋର୍ଡ ପରୀକ୍ଷା), which statement represents a core foundational principle of Correct grammatical structure of affirmative sentences?

(A)
Object + Subject + Verb
(B)
Verb + Subject + Object
(C)
Subject + Verb + Object in standard grammatical syntax
(D)
Object + Verb + Subject
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Q2.

Sentence Making: Which sentence is grammatically correct for 'Grammar: Tenses, Prepositions, Passive Voice, Direct & Indirect Speech, Sentence Types, Translation from Odia to English, Official Letter & Essay Writing'?


(A)
Grammatically flawless sentence (Grammar: Tenses, Prepositions, Passive Voice, Direct & Indirect Speech, Sentence Types, Translation from Odia to English, Official Letter & Essay Writing)
(B)
Mismatched tense
(C)
Missing subject
(D)
None of these
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2016 (712 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.

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

Which statutory enactment was passed by the Indian Parliament following the Bhopal gas disaster and oleum gas leak?


(A)
The Environment (Protection) Act, 1986
(B)
The Factories Act, 1948
(C)
The Wildlife Protection Act, 1972
(D)
The Indian Penal Code, 1860
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2015 (733 questions)

Q1.
In Biological Sciences, identify the accurate description regarding Phenotypic ratio of a classic Mendelian monohybrid cross in the F2 generation.

(A)
9 : 3 : 3 : 1
(B)
1 : 2 : 1
(C)
1 : 1 : 1 : 1
(D)
3 : 1 (Dominant to Recessive phenotype)
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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)
+2
(C)
+7
(D)
+6
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