HBSE Class 10 Science Question Paper 2017 Set D

CLASS : 10th (Secondary) Code No. 1905
Series : Sec. M/2017
Roll No. SET : D

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

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

• d`i;k tk¡p dj ysa fd bl iz'u-i= esa eqfnzr iz'u 27 gSaA
Please make sure that the printed this question paper are contains 27
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.
• d`i;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.

1905/ (Set : D) P. T. O.

(2) 1905/ (Set : D)
• 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
Candidates must write their Roll Number on the question paper.
• 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 question, ensure that you have been supplied the
correct and complete question paper, no claim in this regard, will be
entertained after examination.

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

(ii) oLrqfu"B iz'uksa ds lgh fodYi fy[ksaA

Write the correct option in objective type questions.

(iii) nh?kZ mÙkj okys iz'uksa esa vkarfjd fodYi dk izko/kku gSA

Internal choice has been provided in long answer type questions.

(iv) izR;sd iz'u ds vad mlds lkeus n'kkZ;s x;s gSaA

Marks of each question are indicated against it.

[k.M – v
SECTION – A [ Marks : 20

1905/ (Set : D)

(3) 1905/ (Set : D)
¼HkkSfrd foKku½
(Physics)

1. lw;kZLr ds le; lw;Z dk jax yky fdl dkj.k ls fn[kkbZ nsrk gS \ 1

(a) ijkorZu (b) fo{ksi.k

(c) izdh.kZu (d) viorZu

The colour of the sun at sunset is red due to :

(a) Reflection (b) Dispersion

(c) Scattering (d) Refraction

2. og iryh f>Yyh ftlls gksdj izdk'k us= esa izos'k djrk gS % 1

(a) us=xksyd (b) LoPN eaMy

(c) ifjrkfjdk (d) iqryh

Thin membrane through which light enters the eye is called as :

(a) Eyeball (b) Cornea
(c) Iris (d) Pupil

3. ;fn fdlh ,sYkqfefu;e ds rkj dh yEckbZ dks ;Fkkor j[krs gq, mlds vuqizLFk dkV {ks=Qy dks
nks xquk dj fn;k tk,] rks ml rkj dh izfrjks/kdrk % 1

(a) mruh gh jgsxh (b) nks xquh gks tk,xh

1905/ (Set : D) P. T. O.

(4) 1905/ (Set : D)
(c) vk/kh gks tk,xh (d) buesa ls dksbZ ugha

If the cross-sectional area of an Aluminium wire is doubled and length
remaining same, its resistivity will :

(a) Remain same (b) Doubled

(c) Halved (d) None of these

4. Ñf=e mixzgksa rFkk varfj{k vUos"kd ;qfDr;ksa esa fuEufyf[kr esa ls dkSu ÅtkZ dk eq[; òksr
gksrk gS \ 1

(a) iou ÅtkZ (b) ukfHkdh; ÅtkZ

(c) Tokjh; ÅtkZ (d) lkSj ÅtkZ

Artificial satellites and space probes uses which of the following as the
main source of energy ?

(a) Wind energy (b) Nuclear energy

(c) Tidal energy (d) Solar energy

5. ck;ksxSl ,d vPNk bZa/ku D;ksa gS \ 2

Why Biogas is a good fuel ?

1905/ (Set : D)

(5) 1905/ (Set : D)
6. dksbZ fo|qr~ eksVj 220 V ds fo|qr~ òksr ls 4.0 A fo|qr~ /kkjk ysrk gSA eksVj dh 'kfDr

fu/kkZfjr dhft, rFkk 3 ?kaVs esa eksVj }kjk miHkqDr ÅtkZ ifjdfyr dhft,A 2

An electric motor takes 4 A from a 220 V line. Find the power of the
motor and energy consumed in 3 hours.

7. ty laHkj izca/ku ds D;k ykHk gSa \ 2

What are the advantages of watershed management ?

8. fdj.k vkjs[k dk mi;ksx djrs gq, ,d vory niZ.k ds Qksdl F rFkk oØrk dsUnz C ds e/;
fLFkr fcac ds izfrfcac dh fLFkfr] vkdkj rFkk izÑfr dks of.kZr dhft,A 4

Using ray diagram, explain position, size and nature of image of an
object placed between focus F and centre of curvature C of a concave
mirror.

9. fdlh lh/ks pkyd ls fo|qr~ /kkjk izokfgr gksus ds dkj.k mRiUu gksus okys pqacdh; {ks= dk
o.kZu dhft,A bl pqacdh; {ks= dh fn'kk crkus okys fu;e dh O;k[;k dhft,A 6
Explain the magnetic field due to current through a straight conductor.
Describe the rule to find the direction of such a magnetic field.

vFkok
OR

1905/ (Set : D) P. T. O.

(6) 1905/ (Set : D)
ukekafdr vkjs[k [khapdj fdlh fo|qr~ tfu= dk ewy fl)kar rFkk dk;Zfof/k Li"V dhft,A czq'kksa
dk D;k dk;Z gS \ 6

Explain the underlying principle and working of an electric generator
by drawing a labelled diagram. What is function of Brushes ?

[k.M – c
SECTION – B [ Marks : 19
¼jlk;u foKku½
(Chemistry)
10. cq>s gq, pwus dk lw= D;k gS \ 1

(a) CaO (b) Ca (OH )2

(c) CaCO 3 (d) CaSO 4

What is formula of slaked lime ?

(a) CaO (b) Ca (OH )2

(c) CaCO 3 (d) CaSO 4

11. VkVZfjd vEy ik;k tkrk gS % 1

(a) fljds esa

(b) usVy ds Mad esa

(c) VekVj esa

1905/ (Set : D)

(7) 1905/ (Set : D)
(d) beyh esa

Tartaric acid is found in :

(a) Vinegar

(b) Nettle's sting

(c) Tomato

(d) Tamarind

12. M dks'k esa bysDVªkWuksa dh vf/kdre la[;k gS % 1

(a) 8 (b) 32

(c) 18 (d) 10

Maximum number of electrons in M shell are :

(a) 8 (b) 32

(c) 18 (d) 10

13. vo{ksi.k vfHkfØ;k ls vki D;k le>rs gSa \ ,d mnkgj.k nhft,A 2

What do you mean by Precipitation reaction ? Give one example.

1905/ (Set : D) P. T. O.

(8) 1905/ (Set : D)
14. Dyksj&{kkj izfØ;k fdls dgrs gSa \ jklk;fud lehdj.k }kjk le>kb,A 2

What is chlor-alkali process ? Explain with the help of a chemical
equation.

15. vk/kqfud vkorZ lkj.kh esa /kkfRod ,oa v/kkfRod xq.k/keZ vkorZ esa dSls ifjofrZr gksrs gSa \ 2
What happens to the metallic and non-metallic character of elements in
the Modern Periodic Table as we move along the Period ?

16. (a) ,sYkqfefu;e ¼i0 la[;k - 13½ o lYQj (i0 la[;k - 16) ds bysDVªkWfud foU;kl
fyf[k,A 2

Write electronic configuration of Aluminium (At. No. - 13) and
Sulphur (At. No. - 16).

(b) lksfM;e dks fdjksflu esa Mwcks dj D;ksa j[kk tkrk gS \ 2

Why is sodium kept in kerosene oil ?

17. (a) letkrh; Js.kh esa mÙkjksÙkj ;kSfxdksa ds lanHkZ esa fuEufyf[kr esa vUrj fyf[k, % 1 ×
3=3

What is the difference between two consecutive homologous ?

1905/ (Set : D)

(9) 1905/ (Set : D)
(i) vkf.od nzO;eku
In terms of molecular mass

(ii) dkcZu o gkbMªkstu ijek.kqvksa dh la[;k
Number of carbon and hydrogen atoms

(iii) jklk;fud xq.k
Chemical properties

(b) fuEu ;kSfxdksa dk ukedj.k dhft, % 1×3=3

Write the names of the following compounds :

(i) CH 3 − CH 2 − CHO

O
||
(ii) CH 3 − C − CH 3

(iii) CH 3 − CH 2 − CH 2 − Br

vFkok

OR

1905/ (Set : D) P. T. O.

( 10 ) 1905/ (Set : D)
(a) iz;ksx }kjk vki ,Ydksgy ,oa dkcksZfDlfyd vEy esa dSls vUrj dj ldrs gSa \ 4

How would you distinguish experimentally between an alcohol and
carboxylic acid ?

(b) ,FksukWy ds nks mi;ksx fyf[k,A 2

Write two uses of Ethanol.

[k.M – l
SECTION – C [ Marks : 21

¼tho foKku½

(Life Science)

18. fuEufyf[kr esa ls dkSu-lh var%òkoh xzafFk ugha gS \ 1

(a) Fkkbel (b) ijkoVq

(c) vf/ko`Dd (d) buesa ls dksbZ ugha

Which of the following is not an Endocrine gland ?

(a) Thymus (b) Parathyroid

(c) Adrenal (d) None of these

19. Hkw[k ls lacaf/kr dsUnz fdlesa fLFkr gS \ 1

1905/ (Set : D)

( 11 ) 1905/ (Set : D)
(a) vxzefLr"d

(b) e/;efLr"d

(c) i'pefLr"d

(d) ;s lHkh
The centre associated with hunger is present in :

(a) Fore brain

(b) Mid brain

(c) Hind brain

(d) All of these

20. o`"k.k mnj xqgk ds ckgj o`"k.k dks'k esa D;ksa fLFkr gksrk gS \
1

Why are the testes located outside the abdominal cavity in scrotum ?

21. fuEufyf[kr esa ls dkSu vkgkj Ük`a[kyk dk fuekZ.k djrs gSa \
1

(a) ?kkl] xsgw¡ rFkk vke

1905/ (Set : D) P. T. O.

( 12 ) 1905/ (Set : D)
(b) ?kkl] cdjh rFkk ekuo
(c) cdjh] xk; rFkk gkFkh
(d) ?kkl] eNyh rFkk cdjh
Which of the following constitue a food chain ?

(a) Grass, Wheat and Mango

(b) Grass, Goat and Human

(c) Goat, Cow and Elephant

(d) Grass, Fish and Goat

22. ;w ,u bZ ih dks foLrkfjr dhft,A

Write full form of UNEP. 1

23. gkWeksZu ,Mªhuyhu ds D;k izHkko gSa \ 2

What is the effect of hormone Adrenalin ?

24. uj tuu ra= ls lEcfU/kr xzafFk;ksa ds uke vkSj muds dk;Z fyf[k,A 2

Name various glands associated with male reproductive system & write
their role.

25. ekuo eknk tuu ra= dk ukekafdr fp= cukb,A 2

1905/ (Set : D)

( 13 ) 1905/ (Set : D)
Draw a well labelled diagram of human female reproductive system.

26. ekuo ds fodkl dk o.kZu dhft,A 4

Describe the evolution of Homo sapiens.

27. vehck vkSj iSjkeh'kh;e fdl izdkj viuk Hkkstu xzg.k djds ipkrs gSa \ 6
How is the food taken and digested in Amoeba and Paramecium ?

vFkok
OR

ylhdk D;k gS \ bldk ogu fdl izdkj gksrk gS \ blds D;k dk;Z gSa \
6

What is lymph ? How is it transported ? What are its functions ?

s

1905/ (Set : D) P. T. O.