HBSE Class 10 Question Paper 2025 Science

CLASS : 10th (Secondary) Code No. 2107
Series : Sec/Annual Exam.-2025
Roll No. SET : A

foKku
SCIENCE
(Physics, Chemistry and Life Science)
(Academic/Open)
[ fgUnh ,oa vaxzsth ek/;e ]
[ Hindi and English Medium ]
(Only for Fresh/Re-appear/Improvement/Additional Candidates)

le; : 3 ?k.Vs ] [ iw.kk±d : 60
Time allowed : 3 hours ] [ Maximum Marks : 60

• Ñi;k tk¡p dj ysa fd bl iz'u&i= esa eqfnzr i`"B 16 rFkk iz'u 30 gSaA
Please make sure that the printed pages in this question paper are 16 in number
and it contains 30 questions.

• iz'u&i= esa nkfgus gkFk dh vksj fn;s x;s dksM uEcj rFkk lsV dks Nk= mÙkj&iqfLrdk ds eq[;&i`"B ij fy[ksaA
The Code No. and Set on the right side of the question paper should be written by
the candidate on the front page of the answer-book.

• Ñi;k iz'u dk mÙkj fy[kuk 'kq: djus ls igys] iz'u dk Øekad vo'; fy[ksaA
Before beginning to answer a question, its Serial Number must be written.

• mÙkj&iqfLrdk ds chp esa [kkyh iUuk@iUus u NksMsa+A
Don’t leave blank page/pages in your answer-book.
2107/(Set : A) P. T. O.

(2) 2107/(Set : A)
• mÙkj&iqfLrdk ds vfrfjDr dksbZ vU; 'khV ugha feysxhA vr% vko';drkuqlkj gh fy[ksa vkSj fy[kk mÙkj u
dkVsaA
Except answer-book, no extra sheet will be given. Write to the point and do not strike
the written answer.
• ijh{kkFkhZ viuk jksy ua0 iz'u&i= ij vo'; fy[ksAa jksy ua0 ds vfrfjDr iz'u&i= ij vU; dqN Hkh u
fy[ksa vkSj oSdfYid iz'uksa ds mÙkjksa ij fdlh izdkj dk fu'kku u yxk,¡A
Candidates must write their Roll No. on the question paper. Except Roll No. do not
write anything on question paper and don't make any mark on answers of objective
type questions.
• d`i;k iz'uksa ds mÙkj nsus lss iwoZ ;g lqfuf'pr dj ysa fd iz'u&i= iw.kZ o lgh gS] ijh{kk ds mijkUr bl
lEcU/k esa dksbZ Hkh nkok Lohdkj ugha fd;k tk;sxkA
Before answering the questions, ensure that you have been supplied the correct and
complete question paper, no claim in this regard, will be entertained after
examination.

lkekU;; funs'Z k %
lkekU
General Instructions :

(i) lHkh iz'u vfuok;Z gSaA
All questions are compulsory.

(ii) oLrqfu"B ç'uksa ds lgh fodYi fy[ksaA
Write the correct option in objective type questions.

(iii) dqN ç'uksa esa vkarfjd fodYi dk çko/kku gSA
Internal choice has been provided in some questions.

(iv) çR;sd ç'u ds vad mlds lkeus n'kkZ;s x;s gSaA
Marks of each question are indicated against it.

2107/(Set : A)

(3) 2107/(Set : A)
[k.M – v
SECTION – A
¼HkkSfrd foKku½
(PHYSICS)

1. fdlh niZ.k ls vki pkgs fdruh gh nwjh ij [kM+s gksa] vkidk izfrfcac lnSo lh/kk gh izrhr gksrk gSA
laHkor% niZ.k gS % 1
(A) dsoy lery (B) dsoy vory

(C) dsoy mÙky (D) ;k rks lery vFkok mÙky
No matter how far you stand from a mirror, your image appears erect. The
mirror is likely to be :
(A) only plane (B) only concave

(C) only convex (D) either plane or convex

2. fdlh fo|qr cYc dk vuqerkad 220 V rFkk 100 W gSA tc bls 110 V ij izpkfyr djrs gSa] rc
blds }kjk mi;qDr 'kfDr fdruh gksrh gS \ 1

(A) 100 W (B) 75 W

(C) 50 W (D) 25 W

An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the

power consumed will be :

(A) 100 W (B) 75 W

(C) 50 W (D) 25 W

2107/(Set : A) P. T. O.

(4) 2107/(Set : A)
3. ............. 'kfDr dk NksVk ek=d gSA 1

............. is the small unit of electric power.

4. cYcksa esa dkSu&lh xSl Hkjh tkrh gS \ 1

Which gas is filled in electric bulbs ?

5. fuEufyf[kr iz'u eas nks dFku gSa % vfHkdFku (A) vkSj dkj.k (R)] iz'u ds uhps fn;s x;s mi;qDr fodYi
dk p;u djrs gq, mÙkj nhft, % 1

vfHkdFku (A) : us= ysal esa viuh Qksdy yackbZ dks lek;ksftr djds jsfVuk ij Li"V :i ls Qksdl
djus dh {kerk gksrh gSA
dkj.k (R) : bl ?kVuk dks lek;kstu dh 'kfDr ds :i esa tkuk tkrk gSA
(A) (A) vkSj (R) nksuksa lR; gSa rFkk (R), (A) dh lgh O;k[;k gSA
(B) (A) vkSj (R) nksuksa lR; gSa] ysfdu (R), (A) dh lgh O;k[;k ugha gSA

(C) (A) lR; gS] ysfdu (R) vlR; gSA
(D) (A) vlR; gS] ysfdu (R) lR; gSA

The question below consists of two statements : Assertion (A) and Reason (R),
answer the question by selecting the appropriate option given below :

Assertion (A) : The eyelens has the ability to focus clearly on the retina by
adjusting its focal length.

Reason (R) : This phenomenon is known as power of accommodation.

(A) Both (A) and (R) are true and (R) is the correct explanation of (A).

(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(C) (A) is true, but (R) is false.

(D) (A) is false, but (R) is true.
2107/(Set : A)

(5) 2107/(Set : A)
6. fdlh varfj{k&;k=h dks vkdk'k uhys dh vis{kk dkyk D;ksa izrhr gksrk gS \ 2

Why does the sky appear dark instead of blue to an astronaut ?

7. fdlh pkyd dk izfrjks/k fdu dkjdksa ij fuHkZj djrk gS \ 2

On what factors does the resistance of a conductor depends ?

8. vkse ds fu;e dks ifjHkkf"kr dhft,A izfrjks/k dk SI ek=d crkb;sA vkse ds fu;e ds vuqlkj fuEu esa ls
izfrjks/k dk lgh lehdj.k pqusa % 3

(A) R = V/I (B) R = I/V

Define Ohm's law. State SI unit of resistance. Select the correct equation of
resistance in accordance to Ohm's law from below options :

(A) R = V/I (B) R = I/V

9. (a) fdlh NM+ pqacd ds pkjksa vksj pqacdh; {ks= js[kk,¡ [khafp,A 3
Draw magnetic field lines around a bar magnet.

(b) pqacdh; {ks= js[kkvksa ds dksbZ nks xq.k fyf[k,A
Write any two properties of magnetic field lines.

10. (a) vory niZ.k ds eq[; Qksdl dh ifjHkk"kk fyf[k,A 2

Define the principal focus of a concave mirror.
(b) ml niZ.k dk uke crkb;s tks fcac dk lh/kk rFkk vkof/kZr izfrfcac cuk ldsA 1

Name a mirror that can give an erect and enlarged image of an object.

(c) ge okguksa esa mÙky niZ.k dks i'p&n`'; niZ.k ds :i esa ojh;rk D;ksa nsrs gSa \ 2
Why do we prefer a convex mirror as a rear-view mirror in vehicles ?

2107/(Set : A) P. T. O.

(6) 2107/(Set : A)
vFkok
OR

(a) fdlh ysal dh 1 MkbvkIVj {kerk dks ifjHkkf"kr dhft,A 2

Define 1 dioptre of power of a Lens.

(b) 2 m Qksdl nwjh okys vory ysal dh {kerk Kkr dhft,A 1

Find the power of a concave lens of focal length 2 m.

(c) fuEu lw= fy[ksa % 2

Write the following formulas :

(i) ysal lw=
Lens formula

(ii) niZ.k lw=
Mirror formula

[k.M – c
SECTION – B
¼jlk;u foKku½
(CHEMISTRY)

11. ykSg pw.kZ ij ruq gkbMªksDyksfjd vEy Mkyus ls D;k gksrk gS \ lgh mÙkj dks pqfu, % 1
(A) gkbMªkstu xSl ,oa vk;ju DyksjkbM curk gSA
(B) Dyksjhu xSl ,oa vk;ju gkbMªkWDlkbM curk gSA
(C) dksbZ vfHkfØ;k ugha gksrhA
(D) vk;ju yo.k o ty curk gSA
2107/(Set : A)

(7) 2107/(Set : A)
What happens when dilute hydrochloric acid is added to iron filling ? Choose the
correct answer :

(A) Hydrogen gas and iron chloride are produced.

(B) Chlorine gas and iron hydroxide are produced.

(C) No reaction takes place.

(D) Iron salt and water are produced.

12. uedhu dks iSdsV ls fudkyus ds mijkar foÑrxaf/krk ls cpkus gsrq vki D;k mik; djsaxs \ 1

(A) izfr vkWDlhdkjd feyk;saxs (B) ukbVªkstu xSl Hkjsaxs

(C) ok;qjks/kh crZu esa j[ksaxs (D) mijksDr lHkh

What measures will you take to prevent the 'Namkeen' from getting rancid after
removing it from the packet ?

(A) Add anti-oxidant
(B) Fill Nitrogen gas

(C) Store in an air-tight container

(D) All of the above

13. ............ lcls vf/kd vk?kkro/;Z /kkrq gSA 1

............ is the most malleable metal.

14. vk;fud ;kSfxdksa dk xyukad mPp D;kas gksrk gS \ 1
Why do ionic compounds have high melting points ?

2107/(Set : A) P. T. O.

(8) 2107/(Set : A)
15. fuEufyf[kr iz'u eas nks dFku gSa % vfHkdFku (A) vkSj dkj.k (R)] iz'u ds uhps fn;s x;s mi;qDr fodYi
dk p;u djrs gq, mÙkj nhft, % 1

vfHkdFku (A) : gekjk mnj gkbMªksDyksfjd vEy mRiUu djrk gSA
dkj.k (R) : gkbMªksDyksfjd vEy yky fyVel dks uhyk dj nsrk gSA
(A) (A) vkSj (R) nksuksa lR; gSa rFkk (R), (A) dh lgh O;k[;k gSA

(B) (A) vkSj (R) nksuksa lR; gSa] ysfdu (R), (A) dh lgh O;k[;k ugha gSA
(C) (A) lR; gS] ysfdu (R) vlR; gSA

(D) (A) vlR; gS] ysfdu (R) lR; gSA

The question below consists of two statements : Assertion (A) and Reason (R),
answer the question by selecting the appropriate option given below :

Assertion (A) : Our stomach produces hydrochloric acid.

Reason (R) : Hydrochloric acid turns red litmus blue.

(A) Both (A) and (R) are true and (R) is the correct explanation of (A).

(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A).

(C) (A) is true, but (R) is false.

(D) (A) is false, but (R) is true.

16. la;kstu vfHkfØ;k ls vki D;k le>rs gSa \ jklk;fud lehdj.k lfgr ,d mnkgj.k nhft,A 2

What is combination reaction ? Give one example with chemical equation.

17. fojatd pw.kZ dk jklk;fud lw= vkSj mlds nks mi;ksx fy[ksaA 2

Write the chemical formula and two uses of bleaching powder.

2107/(Set : A)

(9) 2107/(Set : A)
vFkok
OR

(a) ty dh vuqifLFkfr esa vEy] vEyh; O;ogkj D;ksa ugha fn[kkrs gSa \ 1
Why do acids not show acidic behaviour in the absence of water ?

(b) mnklhuhdj.k vfHkfØ;k D;k gS \ ,d mnkgj.k nhft,A 1
What is neutralization reaction ? Give an example.

vFkok
OR
;ksX;rk vk/kkfjr iz'u %
Competency Based Question :

yksgs dh dkWij lYQsV foy;u ds lkFk vfHkfØ;k esa Fe + CuSO 4 → Cu + FeSO 4 , nh xbZ Vscy esa
dkSu&lk fodYi vkWDlhÑr vkSj vipk;d ,stsUV dks lgh <ax ls n'kkZrk gS \ 2

fodYi inkFkZ vkWDlhÑr inkFkZ vipk;d
A Fe Fe
B Fe FeSO 4
C Cu Fe
D CuSO 4 Fe
In the reaction of Iron with Copper Sulphate solution ( CuSO 4 ) :
Fe + CuSO 4 → Cu + FeSO 4
Which option in the given table correctly represent the substance oxidized and
reducing agent ?
Option Substance Oxidized Substance Reduced
A Fe Fe
B Fe FeSO 4
C Cu Fe
D CuSO 4 Fe

2107/(Set : A) P. T. O.

( 10 ) 2107/(Set : A)
18. fuEu vfHkfØ;k ds fy;s igys 'kCn&lehdj.k fyf[k, rFkk mlds ckn larqfyr lehdj.k fyf[k,] tc % 3
Write word equations and then balanced equations for the reaction taking place,
when :

(a) ruq lY¶;wfjd vEy nkusnkj ftad ds lkFk vfHkfØ;k djrk gSA
Dilute sulphuric acid reacts with zinc granules.
(b) ruq gkbMªksDyksfjd vEy eSXuhf'k;e iV~Vh ds lkFk vfHkfØ;k djrk gSA
Dilute hydrochloric acid reacts with magnesium ribbon.

(c) ruq gkbMªksDyksfjd vEy ykSg ds jsru ds lkFk vfHkfØ;k djrk gSA
Dilute hydrochloric acid reacts with iron fillings.

19. lksfM;e] vkWDlhtu ,oa eSXuhf'k;e ds fy;s bysDVªkWu fcanq lajpuk fyf[k,A 3
Write electron dot structure for sodium, oxygen and magnesium.

vFkok
OR

jklk;fud xq.k/keksZa ds vk/kkj ij /kkrqvksa ,oa v/kkrqvksa esa dksbZ rhu varj crkb;sA 3

Write any three differences between metals and non-metals on the basis of their
chemical properties.

20. (a) dkcZu ds nks xq.k/keZ dkSu&ls gSa] ftuds dkj.k gekjs pkjksa vksj dkcZu ;kSfxdksa dh fo'kky la[;k
fn[kkbZ nsrh gS \ 2

What are the two properties of carbon which lead to the huge number of
carbon compounds we see around us ?

2107/(Set : A)

( 11 ) 2107/(Set : A)
(b) HkkSfrd ,oa jklk;fud xq.k/keksZa ds vk/kkj ij ,FksukWy ,oa ,Fksuksbd vEy esa vki dSls varj djsaxs \ 3
How can ethanol and ethanoic acid be differentiated on the basis of their
physical and chemical properties ?

vFkok
OR

(a) gkbMªkstuhdj.k D;k gS \ bldk vkS|ksfxd vuqiz;ksx D;k gS \ 2
What is hydrogenation ? What is its industrial application ?

(b) lkcqu dh lQkbZ izfØ;k dh fØ;kfof/k le>kb;sA 3

Explain the mechanism of the cleaning action of soaps.

vFkok
OR

;ksX;rk vk/kkfjr iz'u %
Competency Based Question :

uhps nh xbZ rkfydk lzksr }kjk fn;s x;s ladsr n'kkZrh gS %
Øe la[;k ladsr
1. ;kSfxd "A" dk O;kid :i esa vpkj esa ifjj{kd ds :i esa mi;ksx fd;k tkrk gSA
2. "A" ,FksukWy ds lkFk vfHkfØ;k djds ehBh xa/k okyk ;kSfxd "B" cukrk gSA

mijksDr ladsrksa ds vk/kkj ij fuEu iz'uksa ds mÙkj nhft, %
(i) ;kSfxd "A" rFkk ;kSfxd "B" dks igpkusaA 1
(ii) tc ;kSfxd "A" okf'kax lksMk ds lkFk vfHkfØ;k djrk gS] rks dkSu&lh xSl mRiUu gksxh \
jklk;fud lehdj.k fy[ksaA 2
(iii) ,FksukWy ds nks mi;ksx fy[ksaA 2
2107/(Set : A) P. T. O.

( 12 ) 2107/(Set : A)
The table given below shows the hints given by source :

Sr. No. Hints

1. Compound "A" is widely used as preservative in pickles.

2. "A" reacts with Ethanol to form a sweet smelling compound "B".

Based on the above hints answer the following questions :

(i) Identify the compound "A" and compound "B".

(ii) Which gas is produced when compound "A" reacts with washing soda ?
Write chemical equation.

(iii) Write two uses of Ethanol.

[k.M – l
SECTION – C
¼tho foKku½
(LIFE SCIENCE)

21. fuEu esa ls dkSu ekuo esa uj tuu ra= dk Hkkx gS \ 1
(A) vaMk'k; (B) xHkkZ'k;
(C) 'kqØokfgdk (D) fMacokfguh
Which of the following is a part of the male reproductive system in human
beings ?
(A) Ovary (B) Uterus
(C) Vas Deferens (D) Fallopian tube

2107/(Set : A)

( 13 ) 2107/(Set : A)
22. fuEu esa ls dkSu i;kZoj.k fe= ugha gS \ 1

(A) dkxt dk fyQkQk

(B) ydM+h dh M.Mh

(C) xqCckjk

(D) mijksDr lHkh

Which of the following is not environment friendly ?

(A) Paper bag

(B) Wooden stick

(C) Balloon

(D) All of the above

23. Dyksjks¶yksjksdkcZu (CFC) tSls jlk;u ............... ijr dks uqdlku igq¡pkrs gSaA 1

Chemicals like CFC harms the …………… layer.

24. dkSu&lh xzafFk dks gkWeksZu cukus ds fy;s vk;ksMhu dh vko';drk gksrh gS \ 1

Which gland requires iodine to produce hormones ?

2107/(Set : A) P. T. O.

( 14 ) 2107/(Set : A)
25. fuEufyf[kr iz'u eas nks dFku gSa % vfHkdFku (A) vkSj dkj.k (R)] iz'u ds uhps fn;s x;s mi;qDr fodYi

dk p;u djrs gq, mÙkj nhft, % 1

vfHkdFku (A) : ikni esa rus dh o`f) dk dkj.k gkWeksZu gksrs gSaA

dkj.k (R) : ftCcsjsfyu ,d ikni gkWeksZu gS] tks rus dh o`f) esa lgk;d gSA

(A) (A) vkSj (R) nksuksa lR; gSa rFkk (R), (A) dh lgh O;k[;k gSA

(B) (A) vkSj (R) nksuksa lR; gSa] ysfdu (R), (A) dh lgh O;k[;k ugha gSA

(C) (A) lR; gS] ysfdu (R) vlR; gSA

(D) (A) vlR; gS] ysfdu (R) lR; gSA

The question below consists of two statements : Assertion (A) and Reason (R),

answer the question by selecting the appropriate option given below :

Assertion (A) : Hormones are responsible for the growth of stem in plants.

Reason (R) : Gibberelin is a plant hormone which helps in stem growth.

(A) Both (A) and (R) are true and (R) is the correct explanation of (A).

(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A).

(C) (A) is true, but (R) is false.

(D) (A) is false, but (R) is true.

2107/(Set : A)

( 15 ) 2107/(Set : A)
26. izfrorhZ fØ;k esa efLr"d dh D;k Hkwfedk gS \ 2

What is the role of brain in reflex action ?

vFkok
OR

ge ,d vxjcÙkh dh xa/k dk irk dSls yxk,axs \ 2

How do we detect the smell of an agarbatti ?

27. 'kqØk'k; ,oa izksLVsV xzafFk dh D;k Hkwfedk gS \ 2
What is the role of the seminal vesicles and the prostate gland ?

28. iq"i dh vuqnS?;Z dkV dk ukekafdr fp= cuk;saA 3

Draw a labelled diagram of the longitudinal section of a flower.

29. esaMy ds ç;ksxksa ls dSls irk pyrk gS fd fofHkUu y{k.k Lora= :i ls oa'kkuqxr gksrs gSa \ 3

How do Mendel's experiments show that traits are inherited independently ?

vFkok
OR

xksy] gjs cht okys ikS/ks dk ladj.k >qjhZnkj ihys cht okys ikS/ks ls djk;k x;k %
Plant with round, green seeds was crossed with wrinkled, yellow seeds plant :

(a) izFke larfr esa cht dh vkÑfr o jax dSlk gksxk \ 2

What will be the shape and colour of seeds in F1 generation ?

2107/(Set : A) P. T. O.

( 16 ) 2107/(Set : A)
(b) ladj.k lfp= n'kkZ;saA 1

Show the crossing with diagram.

30. (a) Lo;aiks"kh iks"k.k ,oa fo"keiks"kh iks"k.k esa D;k varj gS \ 2

What are the differences between autotrophic nutrition and heterotrophic
nutrition ?

(b) ekuo ikpu ra= dk fp= cukb;sA 3

Draw the labelled diagram of human digestive system.

vFkok
OR

(a) gekjs vkek'k; esa vEy dh D;k Hkwfedk gksrh gS \ 2

What is the role of the acid in our stomach ?

(b) ukekafdr fp= dh lgk;rk ls o`{k esa ok"iksRltZu ds le; ty dh xfr n'kkZb;sA 3

Show the movement of water during transpiration in a tree with the help of
a labelled diagram.

S
2107/(Set : A)