HBSE Class 10 Science (VCC) Question Paper 2017

CLASS : 10th (Secondary) Code No. 1906
Series : Sec. M/2017
Roll No.

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

le; : 4 ?k.Vs ] [ iw.kk±d : 60
Time allowed : 4 hours ] [ Maximum Marks : 60
• d`i;k tk¡p dj ysa fd bl iz'u-i= esa eqfnzr iz'u 29 gSaA
Please make sure that the printed this question paper are contains 29
questions.
• iz'u-i= esa nkfgus gkFk dh vksj fn;s x;s dksM uEcj dks Nk= mÙkj-iqfLrdk ds eq[;-i`"B ij fy[ksaA
The Code No. 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.

1906 P. T. O.

(2) 1906
• 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 questions, 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 the questions are compulsory.

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

(iii) iz'uksa ds mÙkj vadkuqlkj nsAa

Answer the questions according to their marks.

1. ,slhfVd vEy ik;k tkrk gS % 1

¼v½ beyh esa ¼c½ phaVh ds Mad esa

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(3) 1906
¼l½ uhacw esa ¼n½ fljdk esa

Acetic acid is present in :

(a) Tamarind (b) Ant sting

(c) Lemon (d) Vinegar

2. dkSu-lh /kkrq dejs ds rki ij nzo gksrh gS \ 1

¼v½ ikjk
¼c½ lksfM;e
¼l½ czksehu
¼n½ ty

Which metal is a liquid at room temperature ?

(a) Mercury

(b) Sodium

(c) Bromin

(d) Water

3. fuvkWu dh ijek.kq la[;k gS % 1

1906 P. T. O.

(4) 1906
¼v½ 2 ¼c½ 8
¼l½ 10 ¼n½ 11
Atomic number of Neon is :
(a) 2 (b) 8
(c) 10 (d) 11

4. izksisukWu esa dkSu-lk izdk;kZRed lewg gS \ 1

¼v½ ,sYdksgkWy
¼c½ ,sfYMgkbM
¼l½ dhVksu
¼n½ gSykstu
Which functional group is present in propenone ?

(a) Alcohol

(b) Aldehyde

(c) Ketone

(d) Halogen

5. esUMsyhQ dh vkorZ lkj.kh esa rÙoksa ds oxhZdj.k dk vk/kkj Fkk % 1
¼v½ ijek.kq vkdkj
¼c½ ijek.kq nzO;eku
¼l½ ijek.kq la[;k
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(5) 1906
¼n½ buesa ls dksbZ ugha

In Mendeleef 's periodic table, the classification of elements was based
on :

(a) Atomic size (b) Atomic mass

(c) Atomic number (d) None of these

6. ,d xksyh; niZ.k dh oØrk f=T;k 20 lseh gS] Qksdl nwjh gksxh % 1

¼v½ 10 lseh ¼c½ 20 lseh
¼l½ 30 lseh ¼n½ 40 lseh

The radius of curvature of a spherical mirror is 20 cm, Its focal length
is :

(a) 10 cm (b) 20 cm

(c) 30 cm (d) 40 cm

7. ok;q dk viorZukad gS % 1

¼v½ 1.31 ¼c½ 1.33
¼l½ 1.52 ¼n½ 1.0003

Refractive index of air is :

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(6) 1906
(a) 1.31 (b) 1.33

(c) 1.52 (d) 1.0003

8. vafre iafDr esa cSBs fdlh fo|kFkhZ dks ';keiV~V i<+us esa dfBukbZ gksrh gSA ;g fo|kFkhZ fdl
n`f"V nks"k ls ihfM+r gS \ 1

¼v½ fudV&n`f"V ¼c½ nh?kZ&n`f"V

¼l½ tjk-nwj-n`f"Vrk ¼n½ ;s lHkh

A student has difficulty to reading the blackboard while sitting in the
last row. What could be the defect the child is suffering from ?

(a) Myopia

(b) Hypermetropia

(c) Presbyopia

(d) All of these

9. ekuo us= ftl Hkkx ij fdlh oLrq dk izfrfcac cukrs gSa] og gS % 1

¼v½ n`f"ViVy ¼c½ iqryh

¼l½ ifjrkfjdk ¼n½ dkWfuZ;k

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(7) 1906
The human eye forms the image of an object at its :

(a) Retina (b) Pupil

(c) Iris (d) Cornea

10. fo|qr~ 'kfDr dk ek=d gS % 1

¼v½ vkse ¼c½ vkse&ehVj
¼l½ okWV ¼n½ oksYV

The unit of electric power is :

(a) Ohm (b) Ohm-meter

(c) Watt (d) Volt

11. y?kqiFku ds le; ifjiFk esa fo|qr~ /kkjk dk eku % 1

¼v½ cgqr vf/kd c<+ tkrk gS
¼c½ cgqr vf/kd de gks tkrk gS
¼l½ fujarj ifjofrZr gksrk gS

¼n½ ifjofrZr ugha gksrk

At the time of short circuit, the current in the circuit :

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(8) 1906
(a) Increases heavily

(b) Reduces substantially

(c) Vary continuously

(d) Does not change

12. nks raf=dk dksf'kdk ds e/; [kkyh LFkku dks dgrs gSa % 1

¼v½ vkosx ¼c½ ,DlkWu
¼l½ flusIl ¼n½ nzqfedk

The gap between two neurons is called :

(a) Impulse (b) Axon

(c) Synapse (d) Dendrite

13. IykLVj vkWQ isfjl ds nks mi;ksx fyf[k,A 2

Give two uses of plaster of Paris.

14. yksgs dks ta+x ls cpkus ds fy, nks rjhds fyf[k,A 2

Write two ways to prevent the rusting of iron.

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(9) 1906
15. MkWcsjkbuj ds oxhZdj.k dh D;k lhek,¡ gSa \ 2

What were the limitations of Dobereiner's classification ?

16. izdk'k ds ijkorZu dk fu;e fyf[k,A 2

Write the Law of reflection of light.

17. fo|qr~ lapkj.k ds fy, izk;% dkWij rFkk ,syqfefu;e ds rkjksa dk mi;ksx D;ksa fd;k tkrk gS \
2

Why are copper and aluminium wires usually employed for electricity
transmission ?

18. vkst+ksu D;k gS \ ;g fdlh ikfjra= dks fdl izdkj izHkkfor djrh gS \ 2

What is Ozone and how does it affect any ecosystem ?

19. ikniksa esa ty dk ogu dSls gksrk gS \ 2

How are water transported in plants ?

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( 10 ) 1906
20. xksfy;k¡ xHkZ/kkj.k dks fdl izdkj jksdrh gSa \ bu xksfy;ksa ds eknk 'kjhj ij gksus okys nq"izHkko

fyf[k,A 2

How oral pills prevent pregnancy ? Write their disadvantages on female
body.

21. letkr vaxksa dks mnkgj.k nsdj le>kb,A 2

Explain term analogous organs with examples.

22. esaMy ds iz;ksxksa }kjk dSls irk pyk fd y{k.k izHkkoh vFkok vizHkkoh gksrs gSa \ 2

How do Mendel's experiments show that traits may be dominant or
recessive ?

23. cM+s ck¡/kksa ds fuekZ.k ls gksus okyh nks leL;k,¡ fyf[k,A 2

List any two problems in the construction of big dams.

24. (i) ok;q esa tykus ls igys eSXuhf'k;e fjcu dks lkQ D;ksa fd;k tkrk gS \ 2

Why should a Magnesium ribbon be cleaned before burning in air
?

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( 11 ) 1906
(ii) vo{ksi.k vfHkfØ;k ls vki D;k le>rs gSa \ mnkgj.k nsdj le>kb,A
2

What do you mean by a precipitation reaction ? Explain with
examples.

25. fuEu inksa dh O;k[;k mnkgj.k lfgr dhft, %
Explain the following terms with example :

(i) ladyu vfHkfØ;k 2

Addition reaction

(ii) gkbMªkstuhdj.k 2

Hydrogenation

26. (i) ¶ysfeax dk okegLr fu;e fyf[k,A 2

State Fleming's left-hand rule.

(ii) izR;korhZ fo|qr~ /kkjk mRiUu djus okys nks òksrksa ds uke fyf[k,A 2

Write the two sources who produce alternating electric current.

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( 12 ) 1906
27. lkSjdqdj ds mi;ksx djus ds nks ykHk vkSj nks gkfu;k¡ fyf[k,A 2+2

Write any two advantages and two disadvantages of using a Solar-
cooker.

28. (i) voVq xzfUFk ls dkSu-lk gkeksZu òfor gksrk gS \ bl gkeksZu ds dk;Z fyf[k,A 2
Which hormone secreted by thyroid gland ? Write the functions of
this hormone.

(ii) voVq xzfUFk ls lEcfU/kr jksx dk uke fyf[k,A ;g jksx fdl izdkj gksrk gS \
2

Name the disorder related to thyroid gland. How is this disorder
caused ?

29. (i) Lo;aiks"kh iks"k.k rFkk fo"keiks"kh iks"k.k esa rhu varj fyf[k,A 3

Write three differences between autotrophic nutrition and
heterotrophic nutrition.

(ii) ekuo esa uj tuura= dk o.kZu dhft,A 3

Describe male reproductive system of human beings.

vFkok

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( 13 ) 1906
OR

(i) euq";ksa esa vkWDlhtu rFkk dkcZu MkbvkWDlkbM dk ifjogu dSls gksrk gS \
3

How is oxygen and carbon-dioxide transported in human beings ?

(ii) ;kSoukjaHk ds le; yM+dksa vkSj yM+fd;ksa esa dkSu&dkSu ls ifjorZu fn[kkbZ nsrs gSa \
3

What are the changes seen in boys and girls at the time of puberty
?

s

1906 P. T. O.