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Maharashtra State BoardSSC (English Medium) 10th Standard

Science and Technology 1 Official Board Paper 2025-2026 SSC (English Medium) 10th Standard Question Paper Solution

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Science and Technology 1 [Official Board Paper]
Marks: 40 Maharashtra State Board
SSC (English Medium)
SSC (Marathi Semi-English)

Academic Year: 2025-2026
Date & Time: 11th March 2026, 11:00 am
Duration: 2h
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Note:

  1. All questions are compulsory.
  2. Use of a calculator is not allowed.
  3. The numbers to the right of the questions indicate full marks.
  4. In case of MCQs [Q. No. 1(A)] only the first attempt will be evaluated and will be given credit.
  5. Scientifically correct, labelled diagrams should be drawn wherever necessary.

[5]1. (A) | Choose the correct alternative:
[1]1. (A) i.

The value of escape velocity of a body from the earth’s surface is Vesc = ______

`sqrt((GM)/R)`

`2sqrt((GM)/R)`

`sqrt((2GM)/R)`

`sqrt((GM)/2R)`

Concept: undefined - undefined
Chapter:
[1]1. (A) ii.

In ______ of the modern periodic table, are the non-metals found.

s-block

p-block

d-block

f-block

Concept: undefined - undefined
Chapter:
[1]1. (A) iii.

The resistance of the wire is 100 Ω. If it is carrying a current of 1 A for 10 seconds, the heat produced will be ______.

10 J

10000 J

0.1 J

1000 J

Concept: undefined - undefined
Chapter:
[1]1. (A) iv.

The refractive index of diamond is ______.

2.42

1.54

1.36

1.50

Concept: undefined - undefined
Chapter:
[1]1. (A) v.

For normal human eye, the minimum distance of distinct vision is ______.

50 cm

75 cm

25 cm

22 cm

Concept: undefined - undefined
Chapter:
[5]1. (B) | Answer the following questions:
[1]1. (B) i.

Find the odd man out:

Cooking of food, Ripening of fruit, Milk turned into curd, Transformation of ice into water.

Concept: undefined - undefined
Chapter:
[1]1. (B) ii.

By observing the correlation in the first pair, complete the second pair:

Mass : Kilogram : : Weight : ______.

Concept: undefined - undefined
Chapter:
[1]1. (B) iii.

State whether the following statement is true or false:

‘The volume of water at 4°C is maximum’.

Concept: undefined - undefined
Chapter:
[1]1. (B) iv.

Match the pairs:

Group ‘A’   Group ‘B’
Thermometer a. Mechanical energy
  b. To measure temperature
  c. To measure electric current
Concept: undefined - undefined
Chapter:
[1]1. (B) v.

What is the wavelength of violet ray in dispersion of light?

Concept: undefined - undefined
Chapter:
[4]2. (A) | Give scientific reasons (any two):
[2]2. (A) i.

Why are geostationary satellites not useful for studies of polar regions?

Concept: undefined - undefined
Chapter: [10] Space Missions
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[2]2. (A) ii.

Give scientific reasons:

The hydrogenation of vegetable oil in presence of nickel catalyst forms Vanaspati-ghee.

Concept: undefined - undefined
Chapter:
[2]2. (A) iii.

Write a scientific reason.

Atomic radius goes on increasing down a group.

Concept: undefined - undefined
Chapter: [2] Periodic Classification of Elements
[6]2. (B) | Solve the following sub-questions (any three):
[1]2. (B) i. (a)

What are alloys?

Concept: undefined - undefined
Chapter: [3] Chemical Reactions and Equations [8] Metallurgy
[1]2. (B) i. (b)

What are alloys?

Concept: undefined - undefined
Chapter: [3] Chemical Reactions and Equations [8] Metallurgy
[2]2. (B) ii.

Distinguish between oxidation and reduction.

Concept: undefined - undefined
Chapter:
[1]2. (B) iii. (a)

Write the molecular formula of benzene.

Concept: undefined - undefined
Chapter:
[1]2. (B) iii. (b)

Give the structural formula of Benzene.

Concept: undefined - undefined
Chapter:
[2]2. (B) iv.

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?

Concept: undefined - undefined
Chapter:
[2]2. (B) v.

‘A rainbow is the combined effect of refraction, dispersion and total internal reflection of light’. Explain the sentence.

Concept: undefined - undefined
Chapter:
[15]3. | Solve the following questions (any five):
[3]3. i.

Solve the problem.

How much time a satellite in an orbit at height 35780 km above earth's surface would take, if the mass of the earth would have been four times its original mass?

Concept: undefined - undefined
Chapter: [10] Space Missions
[3]3. ii.

Observe the figure and answer the following questions:

  1. Which gas is released out as effervescence in the big test tube?
  2. What is the colour change in the lime water?
  3. Write the related chemical equation.
Concept: undefined - undefined
Chapter:
[3]3. iii

Read the following paragraph and answer the questions:

If heat is exchanged between a hot and cold object, the temperature of the cold object goes on increasing due to gain of energy and temperature of the hot object goes on decreasing due to loss of energy.

The change in temperature continues till the temperatures of both the objects attain the same value. In the process, the cold object gains heat energy and the hot object loses heat energy. If the system of both objects is isolated from environment by keeping it inside a heat resistant box, then no energy can flow from inside the box or come into the box.

  1. Heat is transferred from where to where?
  2. Which principle do we learn from this process?
  3. How will you state the principle briefly?
Concept: undefined - undefined
Chapter:
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[3]3. iv.

Draw a neat labelled diagram of electric motor and write its principle.

Concept: undefined - undefined
Chapter:
[3]3. v.

\[\ce{2NaOH + H2SO4 -> Na2SO4 + H2O}\]

State whether the above chemical reaction is balanced or not. From the number of atoms present in the reactants and products, fill in the blanks:

Elements Reactants (Left Side)
No. of atoms
Products (Right Side)
No. of atoms
Na ______ 2
O ______ ______
H ______ ______
S 1 ______
Concept: undefined - undefined
Chapter:
[1]3. vi. a.

Write the names from the description.

The metalloids in the second and third periods.

Concept: undefined - undefined
Chapter: [2] Periodic Classification of Elements
[1]3. vi. b.

Write the names from the description.

Non-metals in the third period.

Concept: undefined - undefined
Chapter: [2] Periodic Classification of Elements
[1]3. vi. c.

Write the names from the description.

Two elements having valency 4.

Concept: undefined - undefined
Chapter: [2] Periodic Classification of Elements
[3]3. vii.

Study the entries in the following table and rewrite them by putting the connected items in the single row:

I II III
Weight m/s2 Zero at the centre
Acceleration due to
gravity
Nm2/kg2 Same in the entire
universe
Gravitational constant N Changes from place to
place
Concept: undefined - undefined
Chapter:
[1]3. viii. (a)

What is a mirage?

Concept: undefined - undefined
Chapter:
[2]3. viii. (b)

 In which condition is mirage seen? Give such one more example.

Concept: undefined - undefined
Chapter:
[5]4. | Answer the following questions (any one):
[2]4. i. a.

Draw a diagram of ‘image formed by concave lens’.

Concept: undefined - undefined
Chapter:
[1]4. i. b.

State the nature of image formed by concave lens.

Concept: undefined - undefined
Chapter:
[2]4. i. c.

If the focal length of a concave lens is 25 cm, find the power of the lens.

Concept: undefined - undefined
Chapter:
[1]4. ii. a.

Write the main steps in the extraction of aluminium.

Concept: undefined - undefined
Chapter:
[2]4. ii. b.

What is the melting point of alumina and how is the melting point reduced?

Concept: undefined - undefined
Chapter:
[2]4. ii. c.

Why anodes need to be replaced from time to time during the electrolysis of alumina?

Concept: undefined - undefined
Chapter:

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