Maharashtra 10th Std Model Question Paper Science and Technology Part I

Maharashtra State Board Sample Paper 2026

N 705 Seat No.

2025 VII 03 1100 – N 705 – SCIENCE AND TECHNOLOGY (72) – PART I (E)

(REVISED COURSE)

Time : 2 Hours (Pages 8) Max. Marks : 40

Note :— (i) All questions are compulsory.

(ii) Use of a calculator is not allowed.

(iii) The numbers to the right of the questions indicate full
marks.

(iv) In case of MCQs [Q. No. 1(A)] only the first attempt
will be evaluated and will be given credit.

(v) Scientifically correct, labelled diagrams should be
drawn wherever necessary.

(vi) Each new question should be started on the new
page.

1 (A) Choose the correct alternative : 5

(i) 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

P.T.O.

2/N 705
(ii) When the positive charge on an atom or an ion increases or

the negative charge on them decreases it is called .............. .

(A) Reduction

(B) Oxidation

(C) Displacement

(D) Decomposition

(iii) ..................... device is used to produce electricity.

(A) Electric motor

(B) Galvanometer

(C) Electric generator

(D) Voltmeter

(iv) Light changes its direction when going from one transparent

medium to another transparent medium. This is called

the ................... of light.

(A) Reflection

(B) Dispersion

(C) Refraction

(D) Absorption

3/N 705
(v) Height of the High earth orbit from the surface of the

earth is ..................... .

(A) = 20,000 km

(B) = 27,000 km

(C) < 30,780 km

(D) > 35,780 km

(B) Answer the following questions : 5

(i) Find the odd one out :

Fuse wire, bad conductor, rubber gloves, generator.

(ii) Complete the co-relation.

Red light wavelength close to : 700 nm : : Violet light

wavelength close to : .................... .

(iii) Match the pair :

Group ‘A’ Group ‘B’

Farsightedness (a) Faraway object can be

seen clearly

(b) Nearby object can be
seen clearly

(c) Faraway object cannot

be seen clearly

P.T.O.

4/N 705
(iv) Write the electronic configuration of ‘Aluminium’.

(v) State true or false :

The escape velocity on the moon is less than that on the

earth.

2 (A) Give scientific reasons (any two) : 4

(i) Sodium is always kept in kerosene.

(ii) We cannot clearly see an object kept at a distance less than

25 cm from the eye.

(iii) Tungsten metal is used to make a solenoid type coil in an

electric bulb.

(B) Answer the following questions (any three) : 6

(i) An object takes 5 seconds to reach the ground from a height

of 5 m on a planet. What is the value of ‘g’ on the planet ?

(ii) An element has its electronic configuration as 2, 8, 2. Now

answer the following questions :

(a) What is the atomic number of this element ?

(b) To which period does this element belong ?

(iii) Complete the following reaction and give name of products :

CuSO4(aq) + Fe(s) — ......... + .........

5/N 705
(iv) Define specific heat of an object. Write its SI and CGS

units.

(v) Draw the electron-dot structure of methane (CH 4 ) and

Ethane (C2H6).

3 Answer the following questions (any five) : 15

(i) Explain the concept ‘escape velocity’ in detail.

(ii) Answer the following sub-questions regarding the modern periodic

table :

(a) Write modern periodic law.

(b) Write the number of periods and groups.

(c) What is the valency of halogens ?

(iii) 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

P.T.O.

6/N 705
(iv) Identify figure and write one use of it :

(a)

(b)

(c)

(v) How much heat energy is necessary to raise the temperature of 5 kg

of water from 20ºC to 100ºC ?

[c = 1 kcal/kgºC]

(vi) Write the Cartesian sign convention for lenses.

7/N 705
(vii) Complete the following chart :

(viii) Give the chemical equations for the following reactions :

(a) Thermit reaction

(b) Burning of magnesium in air

(c) Iron nail/dust is dropped in aqueous solution of copper
sulphate.

4. Answer the following (any one) : 5

(i) “A rainbow is the combined effect of the refraction, dispersion and
total internal reflection of light.” Prove this statement with the help
of diagram and explain it.

P.T.O.

8/N 705
(ii) Complete the following table :

Sr. Straight chain of carbon atoms Molecular Name

No. formula

1. C CH4 ............

2. C–C ............ Ethane

3. C–C–C C3 H 8 ............

4. C–C–C–C ............ Butane

5. C–C–C–C–C C5H12 ............

6. C–C–C–C–C–C ............ Hexane

7. C–C–C–C–C–C–C ............ Heptane

8. C–C–C–C–C–C–C–C C8H18 ............

9. C–C–C–C–C–C–C–C–C ............ Nonane

10. C–C–C–C–C–C–C–C–C–C ............ Decane

Maharashtra State Board Sample Paper 2026

N 706
Seat No.
2025 VII 03 - 1100

Time : 2 Hours SCIENCE AND TECHNOLOGY (72) – PART I (M)

–

(REVISED COURSE)

Pages - 8 Total Marks : 40

:— (i)

(ii)

(iii)

(iv) [ 1 ]

(v)

(vi)

1 5

(i)

P.T.O.

2/N 706
(ii)

(iii)

(iv)

3/N 706
(v)

= 20,000 km

= 27,000 km

< 30,780 km

> 35,780 km

5

(i)

(ii)

700 nm

(iii)

P.T.O.

4/N 706
(iv)

(v)

2 4

(i)

(ii) 25 cm

(iii)

6

(i) 5 m 5

(ii) 2, 8, 2

(iii)

CuSO4(aq) + Fe(s) — ......... + .........

5/N 706
(iv) SI CGS

(v) (CH4) (C2H6)

3 15

(i)

(ii)

(iii)

HCl  NaOH 
 NaCl  H2O 


2KClO3( s)  2KCl( s)  3O2 

CaO + H2O 
 Ca(OH)2 

P.T.O.

6/N 706
(iv)

(v) 5 kg 20ºC 100ºC

[c = 1 kcal/kgºC]

(vi)

7/N 706
(vii)

(viii)

4. 5

(i)

P.T.O.

8/N 706
(ii)

1. C CH4 ............

2. C–C ............

3. C–C–C C3 H 8 ............

4. C–C–C–C ............

5. C–C–C–C–C C5H12 ............

6. C–C–C–C–C–C ............

7. C–C–C–C–C–C–C ............

8. C–C–C–C–C–C–C–C C8H18 ............

9. C–C–C–C–C–C–C–C–C ............

10. C–C–C–C–C–C–C–C–C–C ............