Odisha Board - Class 6 previous year questions (PYQ)

2026 (1620 questions)

Q1.

Regarding Odia (ସାହିତ୍ୟ ସୌରଭ - ୬), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)

Accelerating deforestation for urban sprawl

(B)

Eliminating apex predators from natural habitats

(C)

Maximizing industrial waste output

(D)

Maintaining ecological equilibrium, nutrient cycling, and climate regulation

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Q2.

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)

Vanadium pentoxide (V2O5)

(B)

Nickel (Ni) in Raney form

(C)

Finely divided Iron (Fe) with Molybdenum (Mo) or K2O/Al2O3 as promoter

(D)

Platinum gauze (Pt)

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2025 (235 questions)

Q1.

Regarding Odia (ସାହିତ୍ୟ ସୌରଭ - ୬), 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

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Q2.

In Biological Sciences, identify the accurate description regarding Structural and functional filtration unit of the human kidney.

(A)

Alveolus

(B)

Neuron

(C)

Hepatic lobule

(D)

Nephron, consisting of glomerulus, Bowman's capsule, and renal tubule

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2024 (396 questions)

Q1.

Regarding Odia (ସାହିତ୍ୟ ସୌରଭ - ୬), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)

Accelerating deforestation for urban sprawl

(B)

Eliminating apex predators from natural habitats

(C)

Maximizing industrial waste output

(D)

Maintaining ecological equilibrium, nutrient cycling, and climate regulation

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Q2.

ଗଣିତ (NMMS ଓ ପଠାଣି ସାମନ୍ତ PMST ପରୀକ୍ଷା): 'ବୀଜଗଣିତ ପ୍ରବେଶ' ପରିମେୟ ସଂଖ୍ୟାର ମୁଖ୍ୟ ଧର୍ମ କ’ଣ?

(A)

$rac{p}{q}$ ରୂପେ ପ୍ରକାଶ ଯୋଗ୍ୟ ($q \neq 0$, $p, q \in \mathbb{Z}$) (ବୀଜଗଣିତ ପ୍ରବେଶ)

(B)

$q = 0$

(C)

କେବଳ ପୂର୍ଣ୍ଣ ସଂଖ୍ୟା

(D)

ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ

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2023 (216 questions)

Q1.

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

(A)

Aortic semilunar valve

(B)

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

(C)

Tricuspid valve

(D)

Pulmonary semilunar valve

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Q2.

Solve the linear equation for $x$: $3x + 4 = 13$.

(A)

x = 3

(B)

x = 4

(C)

x = 5

(D)

x = 2

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2022 (210 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)

Ribosomes, synthesizing proteins

(C)

Golgi apparatus, packaging lipids

(D)

Mitochondria, containing enzymes for the Krebs cycle and oxidative phosphorylation

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Q2.

What is 20% of 500?

(A)

125

(B)

90

(C)

100

(D)

110

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2021 (217 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 alerted the authorities earlier, the accident will be prevented.

(C)

If they have alerted the authorities, the accident would prevent.

(D)

If they would alert the authorities, the accident had been prevented.

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Q2.

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

(A)

CO- (Carbonyl ketone group)

(B)

COOH (Carboxyl group composed of carbonyl and hydroxyl groups)

(C)

CHO (Formyl group)

(D)

OH (Alcoholic hydroxyl group)

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2020 (231 questions)

Q1.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Idiom meaning: 'Bite the bullet'.

(A)

To retreat from an impending danger

(B)

To face a difficult or unpleasant situation with courage and fortitude

(C)

To eat something very hard

(D)

To shoot an accurate target

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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{h}{2mv^2}

(B)

\lambda = hp

(C)

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

(D)

\lambda = \frac{mv}{h}

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2019 (234 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)

Mitochondria, containing enzymes for the Krebs cycle and oxidative phosphorylation

(C)

Lysosomes, digesting cellular debris

(D)

Golgi apparatus, packaging lipids

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Q2.

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 was 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 is studying for her board examination.

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2018 (206 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)

Transpiration, which drives sap ascent and cools plant tissues

(C)

Imbibition

(D)

Respiration

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Q2.

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)

3 : 1 (Dominant to Recessive phenotype)

(C)

1 : 1 : 1 : 1

(D)

1 : 2 : 1

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2017 (220 questions)

Q1.

In Physics, consider the Ohm's Law relationship between voltage $V$, current $I$, and resistance $R$. Which statement correctly defines this principle?

(A)

V = IR, where resistance remains constant at constant temperature

(B)

V = I^2 R

(C)

V = R / I

(D)

V = I / R

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Q2.

Regarding Odia (ସାହିତ୍ୟ ସୌରଭ - ୬), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)

Eliminating apex predators from natural habitats

(B)

Maintaining ecological equilibrium, nutrient cycling, and climate regulation

(C)

Maximizing industrial waste output

(D)

Accelerating deforestation for urban sprawl

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2016 (234 questions)

Q1.

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)

O negative (O-)

(C)

B positive (B+)

(D)

A positive (A+)

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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 = \frac{R}{2}

(B)

f = \frac{1}{R}

(C)

f = R^2

(D)

f = 2R

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2015 (217 questions)

Q1.

Solve the linear equation for $x$: $2x + 3 = 19$.

(A)

x = 8

(B)

x = 10

(C)

x = 7

(D)

x = 9

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Q2.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Idiom meaning: 'Bite the bullet'.

(A)

To face a difficult or unpleasant situation with courage and fortitude

(B)

To shoot an accurate target

(C)

To retreat from an impending danger

(D)

To eat something very hard

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