Uttarakhand Board (UBSE) - Class 8 previous year questions (PYQ)

2026 (1609 questions)

Q1.

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

(A)

Ampere (A) and Tesla (T)

(B)

Volt (V) and Weber (Wb)

(C)

Coulomb (C) and Gauss (G)

(D)

Ohm (Ω) and Henry (H)

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Q2.

In Chemistry, examine the topic of Avogadro's number and definition of one mole of a substance. Which statement is scientifically accurate?

(A)

011 \times 10^{23} particles

(B)

6.022 \times 10^{23} elementary entities (atoms, molecules, or ions)

(C)

602 \times 10^{-19} particles

(D)

6.022 \times 10^{22} particles

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2025 (282 questions)

Q1.

In Chemistry, examine the topic of Periodic trend of electronegativity across a period from left to right. Which statement is scientifically accurate?

(A)

Electronegativity increases due to increase in effective nuclear charge ($Z_{\text{eff}}$) and decrease in atomic radius

(B)

Electronegativity remains constant across representative elements

(C)

Electronegativity first decreases then sharply increases

(D)

Electronegativity decreases due to shielding effect

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Q2.

[MAT] A clock shows 8:30. What is the angle between the hour hand and the minute hand?

(A)

75°

(B)

60°

(C)

80°

(D)

90°

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2024 (505 questions)

Q1.

रस व अलंकार (प्रारंभिक): 'संधि, समास, रस, छंद, अलंकार (प्रारंभिक परिचय)' काव्य पंक्ति में कौन-सा रस अथवा अलंकार विद्यमान है?

(A)

वीर, श्रृंगार, शांत रस अथवा अनुप्रास, उपमा अलंकार (संधि, समास, रस, छंद, अलंकार (प्रारंभिक परिचय))

(B)

नीरवता

(C)

अलंकारहीन

(D)

इनमें से कोई नहीं

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Q2.

सूक्ष्मजीव - मित्र एवं शत्रु: 'दहन और ज्वाला, पौधे एवं जंतुओं का संरक्षण' में कौन-सा सूक्ष्मजीव उपयोगी अथवा हानिकारक है?

(A)

लैक्टोबैसिलस, यीस्ट अथवा रोगाणु जीवाणु/विषाणु (दहन और ज्वाला, पौधे एवं जंतुओं का संरक्षण)

(B)

केवल अक्रिय धूल

(C)

कोई सूक्ष्मजीव नहीं

(D)

इनमें से कोई नहीं

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2023 (221 questions)

Q1.

Regarding हिन्दी (वसंत भाग 3 व भारत की खोज), which statement represents a core foundational principle of Role of fundamental duties in the constitutional civic framework?

(A)

Mandating foreign citizenship upon majority

(B)

Allowing tax evasion under certain conditions

(C)

Granting absolute immunity from civil laws

(D)

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

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

(B)

Conservation of Energy

(C)

Conservation of Linear Momentum

(D)

Conservation of Angular Momentum

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2022 (226 questions)

Q1.

In Physics, consider the Phenomenon responsible for the twinkling of stars in the night sky. Which statement correctly defines this principle?

(A)

Diffraction of light by interstellar dust

(B)

Total internal reflection inside clouds

(C)

Dispersion of light by water droplets

(D)

Atmospheric refraction of starlight through turbulent air layers of varying refractive indices

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Q2.

Solve the linear equation for $x$: $5x + 14 = 54$.

(A)

x = 8

(B)

x = 9

(C)

x = 7

(D)

x = 10

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2021 (226 questions)

Q1.

Regarding हिन्दी (वसंत भाग 3 व भारत की खोज), 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)

Allowing tax evasion under certain conditions

(C)

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

(D)

Mandating foreign citizenship upon majority

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Q2.

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

(A)

Work done equals rate of change of momentum

(B)

Work done by all forces acting on a particle equals the change in its kinetic energy ($W = \Delta K$)

(C)

Work done is always zero under variable forces

(D)

Work done equals change in potential energy only

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2020 (202 questions)

Q1.

Regarding हिन्दी (वसंत भाग 3 व भारत की खोज), 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)

Eliminating apex predators from natural habitats

(D)

Maximizing industrial waste output

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Q2.

Solve the linear equation for $x$: $2x + 15 = 33$.

(A)

x = 9

(B)

x = 11

(C)

x = 8

(D)

x = 10

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2019 (200 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)

Ribosomes, synthesizing proteins

(D)

Golgi apparatus, packaging lipids

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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)

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

(B)

Ninhydrin reagent

(C)

Neutral FeCl3 solution

(D)

Lucas reagent

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2018 (216 questions)

Q1.

Divide 10 in the ratio 2 : 3.

(A)

8 and 6

(B)

3 and 7

(C)

6 and 4

(D)

4 and 6

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Q2.

Divide 30 in the ratio 2 : 3.

(A)

24 and 18

(B)

12 and 18

(C)

14 and 16

(D)

11 and 19

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2017 (211 questions)

Q1.

Regarding हिन्दी (वसंत भाग 3 व भारत की खोज), 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)

Allowing tax evasion under certain conditions

(C)

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

(D)

Mandating foreign citizenship upon majority

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Q2.

Regarding संस्कृत (रुचिरा तृतीयो भागः), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)

Maintaining ecological equilibrium, nutrient cycling, and climate regulation

(B)

Maximizing industrial waste output

(C)

Accelerating deforestation for urban sprawl

(D)

Eliminating apex predators from natural habitats

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2016 (254 questions)

Q1.

In Chemistry, examine the topic of Hybridization and molecular geometry of Methane ($CH_4$). Which statement is scientifically accurate?

(A)

sp^2 hybridization with trigonal planar geometry

(B)

sp^3 hybridization with tetrahedral geometry and 109.5^\circ bond angles

(C)

dsp^2 hybridization with square planar geometry

(D)

sp hybridization with linear geometry

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Q2.

Regarding हिन्दी (वसंत भाग 3 व भारत की खोज), 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)

Allowing tax evasion under certain conditions

(C)

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

(D)

Mandating foreign citizenship upon majority

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2015 (213 questions)

Q1.

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

(A)

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

(B)

Conservation of Momentum

(C)

Conservation of Magnetic Flux

(D)

Conservation of Charge

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Q2.

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

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