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Kerala Board - Class 3 previous year questions (PYQ)

2,724 previous year Kerala Board - Class 3 questions, grouped by year, with answers and solutions.

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2026 (957 questions)

Q1.
Regarding Malayalam (കേരള പാഠാവലി), 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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Q2.

ജലസംരക്ഷണം (Water Conservation): 'നമ്മുടെ ശരീരം' വഴി ജലം എങ്ങനെ സംരക്ഷിക്കാം?


(A)
മഴവെള്ള സംഭരണം, കിണർ റീചാർജ്ജിംഗ്, തണ്ണീർത്തട സംരക്ഷണം (നമ്മുടെ ശരീരം)
(B)
നദികളിൽ പ്ലാസ്റ്റിക് മാലിന്യങ്ങൾ തള്ളുക
(C)
ടാപ്പ് തുറന്നിടുക
(D)
ഇവയിലൊന്നുമല്ല
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2025 (148 questions)

Q1.
In Chemistry, examine the topic of Hybridization and molecular geometry of Methane ($CH_4$). Which statement is scientifically accurate?

(A)
dsp^2 hybridization with square planar geometry
(B)
sp^2 hybridization with trigonal planar geometry
(C)
sp^3 hybridization with tetrahedral geometry and 109.5^\circ bond angles
(D)
sp hybridization with linear geometry
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Q2.
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} = -\frac{N}{d\Phi_B/dt}
(C)
\mathcal{E} = -N \frac{d\Phi_B}{dt}, where negative sign represents Lenz's Law
(D)
\mathcal{E} = N I R
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2024 (261 questions)

Q1.

കേരളത്തിലെ വന്യജീവി സങ്കേതങ്ങൾ (LSS Prep): 'നമ്മുടെ ഗ്രാമം - പഞ്ചായത്ത്' ഏത് സംരക്ഷിത മേഖലയുമായി ബന്ധപ്പെട്ടിരിക്കുന്നു?


(A)
ഇരവികുളം (വരയാട്), സൈലന്റ് വാലി (സിംഹവാലൻ കുരങ്ങ്), പെരിയാർ കടുവാസങ്കേതം (നമ്മുടെ ഗ്രാമം - പഞ്ചായത്ത്)
(B)
മൃഗങ്ങളില്ലാത്ത സ്ഥലം
(C)
നഗരപ്രദേശം
(D)
ഇവയിലൊന്നുമല്ല
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Q2.

കേരളത്തിലെ വന്യജീവി സങ്കേതങ്ങൾ (LSS Prep): 'നമ്മുടെ ഗ്രാമം - പഞ്ചായത്ത്' ഏത് സംരക്ഷിത മേഖലയുമായി ബന്ധപ്പെട്ടിരിക്കുന്നു?


(A)
ഇരവികുളം (വരയാട്), സൈലന്റ് വാലി (സിംഹവാലൻ കുരങ്ങ്), പെരിയാർ കടുവാസങ്കേതം (നമ്മുടെ ഗ്രാമം - പഞ്ചായത്ത്)
(B)
മൃഗങ്ങളില്ലാത്ത സ്ഥലം
(C)
നഗരപ്രദേശം
(D)
ഇവയിലൊന്നുമല്ല
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2023 (259 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)
Golgi apparatus, packaging lipids
(C)
Mitochondria, containing enzymes for the Krebs cycle and oxidative phosphorylation
(D)
Ribosomes, synthesizing proteins
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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)
1 : 2 : 1
(C)
3 : 1 (Dominant to Recessive phenotype)
(D)
1 : 1 : 1 : 1
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2022 (128 questions)

Q1.
In English Language and Grammar, identify the grammatically correct sentence or rule regarding Appropriate preposition: 'He was thoroughly accustomed _____ working under strict deadlines.'.

(A)
for
(B)
in
(C)
to
(D)
with
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Q2.

സ്ഥാനവില (Place Value): 'ഹരണത്തിന്റെ അടിസ്ഥാനം' സംഖ്യയിലെ അക്കങ്ങളുടെ ശരിയായ സ്ഥാനവില എത്രയാണ്?


(A)
ഒന്ന്, പത്ത്, നൂറ് അല്ലെങ്കിൽ ആയിരത്തിന്റെ സ്ഥാനവില (ഹരണത്തിന്റെ അടിസ്ഥാനം)
(B)
എല്ലാ അക്കങ്ങൾക്കും ഒരേ വിലയാണ്
(C)
സ്ഥാനവില മാറുകയില്ല
(D)
ഇവയിലൊന്നുമല്ല
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2021 (146 questions)

Q1.
In Physics, consider the Newton's second law of motion mathematical formulation. Which statement correctly defines this principle?

(A)
Force equals momentum multiplied by velocity
(B)
Force equals mass divided by acceleration ($F = m/a$)
(C)
Force equals rate of change of linear momentum ($F = \frac{dp}{dt} = ma$)
(D)
Force equals change in kinetic energy
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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)
+7
(B)
+2
(C)
+4
(D)
+6
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2020 (126 questions)

Q1.
What is 40 minus 22?

(A)
23
(B)
19
(C)
17
(D)
18
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Q2.

ല.സാ.ഗു ഉം ഉ.സാ.ഘ ഉം (LSS Scholarship): 'കൂട്ടലും കുറയ്ക്കലും രസകരമായി' സംഖ്യകളുടെ ശരിയായ ല.സാ.ഗു അല്ലെങ്കിൽ ഉ.സാ.ഘ എത്രയാണ്?


(A)
ഘടകക്രിയയിലൂടെ കണ്ടെത്തുന്ന കൃത്യമായ ഉത്തരം ($കൂട്ടലും കുറയ്ക്കലും രസകരമായി$)
(B)
ല.സാ.ഗു എപ്പോഴും സംഖ്യകളുടെ തുകയ്ക്ക് തുല്യമാണ്
(C)
ഉ.സാ.ഘ കണ്ടെത്താൻ കഴിയില്ല
(D)
ഇവയിലൊന്നുമല്ല
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2019 (149 questions)

Q1.
In Physics, consider the Phenomenon responsible for the twinkling of stars in the night sky. Which statement correctly defines this principle?

(A)
Total internal reflection inside clouds
(B)
Atmospheric refraction of starlight through turbulent air layers of varying refractive indices
(C)
Diffraction of light by interstellar dust
(D)
Dispersion of light by water droplets
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Q2.
In Chemistry, examine the topic of Periodic trend of electronegativity across a period from left to right. Which statement is scientifically accurate?

(A)
Electronegativity remains constant across representative elements
(B)
Electronegativity increases due to increase in effective nuclear charge ($Z_{\text{eff}}$) and decrease in atomic radius
(C)
Electronegativity decreases due to shielding effect
(D)
Electronegativity first decreases then sharply increases
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2018 (140 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 has been constructed across the river by the government.
(B)
A new bridge had been constructed across the river by the government.
(C)
A new bridge was 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.
Regarding Malayalam (കേരള പാഠാവലി), 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)
Eliminating apex predators from natural habitats
(D)
Accelerating deforestation for urban sprawl
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2017 (143 questions)

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

(A)
Carotenoids
(B)
Anthocyanin
(C)
Chlorophyll a
(D)
Phycobilin
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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)
Nephron, consisting of glomerulus, Bowman's capsule, and renal tubule
(D)
Hepatic lobule
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2016 (116 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 had been constructed across the river by the government.
(C)
A new bridge has 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 39 minus 25?

(A)
19
(B)
14
(C)
13
(D)
15
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2015 (151 questions)

Q1.
In Chemistry, examine the topic of Gas evolved when active metals like Zinc react with dilute Hydrochloric acid. Which statement is scientifically accurate?

(A)
Oxygen gas (O2)
(B)
Hydrogen gas (H2), which burns with a characteristic 'pop' sound
(C)
Carbon dioxide gas (CO2)
(D)
Chlorine gas (Cl2)
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Q2.
In Chemistry, examine the topic of Le Chatelier's Principle effect of increasing pressure on the equilibrium $N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g)$. Which statement is scientifically accurate?

(A)
Equilibrium constant K increases
(B)
Equilibrium shifts to the left toward more moles of gas
(C)
No effect on equilibrium position because temperature is constant
(D)
Equilibrium shifts to the right (forward direction) toward fewer moles of gas
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