Maharashtra Board Class 10 Science and Technology Part 1 Guess Paper 2027
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A full practice paper on the official Science and Technology Part 1 pattern, built from the most-likely questions by repetition analysis. Not an official or leaked paper.
Maharashtra Board Class 10 Science and Technology Part 1 — Guess Paper 2027
Time: 2 hours · Maximum marks: 40 · Practice paper
Section 1Q1(A) MCQs (choose the correct alternative) and Q1(B) one-mark questions (odd-one-out, correlation, true/false, match the pairs, one word)
Q1.1 mark
The power of convex lens of focal length 20 cm is ................ . (A) +5.0 D (B) 0.20 D (C) -5.0 D (D) 0.5 D
Why this question: Lenses → Calculate the power of a lens from its focal length — appeared 4× Board 2022Board 2023Board 2024Board 2026
Q2.1 mark
................ is used to make a solenoid type coil in an electric bulb. (A) Nichrome (B) Copper (C) Tungsten (D) Aluminium
Why this question: Effects of Electric Current → Tungsten used for the coil/filament of an electric bulb — appeared 3× Board 2024Board 2025
Q3.1 mark
In ................ of the modern periodic table, are the non-metals found. (A) s-block (B) p-block (C) d-block (D) f-block
Why this question: Periodic Classification of Elements → MCQ: non-metals found in the p-block — appeared 2× Board 2024Board 2026
Q4.1 mark
................ is the functional group of carboxylic acid. (a) -OH (b) -CHO (c) -NH2 (d) -COOH
Why this question: Carbon Compounds → MCQ: functional group of carboxylic acid — appeared 2× Board 2024Board 2026
Q5.1 mark
Alkaline earth metals have valency 2. This means that their position in the modern periodic table is in ................ . (A) Group 2 (B) Group 16 (C) Period 2 (D) d-block
Why this question: Periodic Classification of Elements → MCQ: position of alkaline earth metals (valency 2 -> Group 2) — appeared 2× Board 2025
Q6.1 mark
Complete the co-relation: Cooking of food : Chemical change :: Evaporation of water : ................ .
Why this question: Chemical Reactions and Equations → Classify phenomena as physical or chemical change — appeared 3× Board 2023Board 2026
Q7.1 mark
Match the columns: Column 'A' - Simple microscope; Column 'B' - (a) used to observe minute objects (b) used to see distant objects (c) used for watch repair
Why this question: Lenses → Simple microscope used for watch repairs — appeared 3× Board 2022Board 2024Board 2025
Q8.1 mark
What is the wavelength of violet ray in dispersion of light?
Why this question: Refraction of Light → Wavelength of violet light — appeared 2× Board 2025Board 2026
Q9.1 mark
Identify the hydrocarbon from the given structural formula: H-C-C-H with hydrogen atoms shown on each carbon (ethane structure).
Why this question: Carbon Compounds → Identify the hydrocarbon from its given structure — appeared 2× Board 2024Board 2026
Q10.1 mark
Find the odd one out: Loudspeaker, microphone, electric motor, magnet.
Why this question: Effects of Electric Current → Odd one out: loudspeaker, microphone, electric motor, magnet — appeared 2× Board 2023Board 2025
Section 2Q2(A) give scientific reasons (any two of three) and Q2(B) two-mark subquestions (any three of five)
Q11.2 marks
'A rainbow is the combined effect of refraction, dispersion and total internal reflection of light'. Explain the sentence.
Why this question: Refraction of Light → Formation of a rainbow (refraction, dispersion, total internal reflection) — appeared 4× Board 2024Board 2025Board 2026
Q12.
2 marks
Observe the given figure of Fleming's Left Hand Rule and write the labels of 'A' and 'B'.
Why this question: Effects of Electric Current → Fleming's / hand rules (state, name or label) — appeared 3× Board 2022Board 2025Board 2026
Q13.2 marks
Define: (a) Ores (b) Gangue.
Why this question: Metallurgy → Define metallurgy / ores / gangue — appeared 3× Board 2022Board 2024Board 2026
Q14.2 marks
Give scientific reason: Geostationary satellites are not useful for studies of polar regions.
Why this question: Space Missions → Scientific reason: geostationary satellites not useful for polar regions — appeared 2× Board 2026
Q15.2 marks
An electric tungsten bulb is connected into a home circuit. The home electric supply runs at 220 volt potential difference. When switched on, a current of 0.45 A flows through the bulb. What must be the power (wattage) of the bulb? If it is kept 'on' for 10 hours, how many units of electricity will be consumed?
Why this question: Effects of Electric Current → Power and energy consumed by a tungsten bulb (220 V, 0.45 A, 10 h) — appeared 2× Board 2026
Section 3Q3 three-mark questions (any five of eight)
Q16.3 marks
Read the passage and answer: [context: space debris - non-functional satellites and launcher parts revolving around the earth that can damage satellites]. (a) What is meant by space debris? (b) How can it be harmful to the artificial satellites? (c) What efforts are being taken to manage it?
Why this question: Space Missions → Space debris and its management — appeared 2× Board 2024Board 2026
Q17.3 marks
(a) What is meant by Regelation? (b) What is the effect of pressure on melting point of ice? (c) Write any one example of regelation.
Why this question: Heat → Regelation: identify/define and effect of pressure on melting point — appeared 2× Board 2024Board 2026
Q18.3 marks
State the factors affecting the rate of chemical reaction. Explain any one of it.
Why this question: Chemical Reactions and Equations → Factors affecting the rate of a chemical reaction, explain one — appeared 2× Board 2024Board 2026
Q19.
3 marks
Observe the figure and answer: (a) Which gas is released out as effervescence in the big test tube? (b) What is the colour change in the lime water? (c) Write the related chemical equation.
Why this question: Carbon Compounds → Acetic acid + carbonate reaction diagram (gas, lime water, equation) — appeared 2× Board 2024Board 2026
Q20.3 marks
State whether the following reactions are endothermic or exothermic: (a) HCl + NaOH -> NaCl + H2O + Heat (b) 2KClO3(s) -> 2KCl(s) + 3O2 (c) CaO + H2O -> Ca(OH)2 + Heat.
Why this question: Chemical Reactions and Equations → Classify reactions as endothermic or exothermic — appeared 2× Board 2025
Section 4Q4 five-mark question (any one of two)
Q21.
5 marks
Observe the following figure and answer: (a) Name the defect of vision represented in the above figure. (b) State the reasons for this defect. (c) How is it corrected? (d) Draw the diagram to show the correction of this defect.
Why this question: Lenses → Identify eye defect from figure: cause and correction — appeared 2× Board 2023Board 2026