Page 1
CLASS : 10th (Secondary) Code No. 5505
Series : Sec. April/2021
Roll No. SET : A
foKku
SCIENCE
(Physics, Chemistry and Life Science)
Hkkx – I
PART – I
¼vkRefu"B iz'u½
(Subjective Questions)
(Academic/Open)
[ fgUnh ,oa vaxzsth ek/;e ]
[ Hindi and English Medium ]
(Only for Fresh/Re-appear Candidates)
le; : 2 21 ?k.Vs ] [ iw.kk±d : 60 ¼Hkkx–I : 30, Hkkx–II : 30½
Time allowed : 2 21 hours ] [ Maximum Marks : 60 (Part–I : 30, Part–II : 30)
iz'u&i= nks Hkkxkas eas foHkkftr
foHkkftr gS % Hkkx–I ¼vkRefu"B½ ,oa Hkkx–II ¼oLrqfu"B½A ijh{kkFkhZ dks nksuksa Hkkxkas ds iz'ukas
ds mÙkj dks viuh mÙkj iqfLrdk eas fy[kuk gSA iz'u&i= dk Hkkx–I ijh{kk vkjEHk gksus ij igys mÙkj&iqfLrdk
ds lkFk fn;k tk,xk rFkk Hkkx–II ds fy, vkf[kjh dk ,d ?kaVsVs dk le; fn;k tk,xk vFkkZr~ ijh{kk lekIr
gksus ls ,d ?kaVk iwoZ ijh{kkFkhZ dks Hkkx–II dk iz'u&
u&i= fn;k tk,xkA
Hkkx–I ds iz'u&i= esa dqy 9 iz'u ,oa Hkkx–II ds iz'u&i= eas dqy 30 iz'u gSaA
Question paper is divided into two Parts : Part–I (Subjective type) and Part–II
(Objective type). Answer the questions of both parts in your answer-book. Part–I
of question paper with answer-book will be provided with starting of
Examination and last one hour of Examination will be given for Part–II i.e.
question paper of Part–II will be provided before one hour of the end of
Examination.
Total questions in question paper of Part–I are 9 and of Part–II are 30.
5505/(Set : A)/ I P. T. O.
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(2) 5505/(Set : A)
• Ñi;k tk¡p dj ysa fd Hkkx–I ds bl iz'u-i= esa eqfnzr i`"B 4 rFkk iz'u 9 gSaA
Please make sure that the printed pages in this question paper of Part–I are 4 in
number and it contains 9 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.
• 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 dk 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; funsZ'k %
General Instructions :
(i) lHkh iz'u vfuok;Z gSaA
All questions are compulsory.
(ii) nh?kZ mÙkj okys iz'uksa esa vkarfjd fodYi dk izko/kku gSA
Internal choice has been provided in long answer type questions.
(iii) izR;sd iz'u ds vad mlds lkeus n'kkZ;s x;s gSaA
Marks of each question are indicated against it.
5505/(Set : A)/ I
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(3) 5505/(Set : A)
[k.M – v
SECTION – A [ Marks : 10
¼HkkSfrd foKku½
(PHYSICS)
1. fo|qr~ VksLVj rFkk fo|qr~ izsl ds pkyd 'kq) /kkrq dh vis{kk feJ /kkrq ds D;ksa cuk, tkrs gSa \ 2
Why are coils of electric toasters and electric irons made of an alloy rather
than a pure metal ?
2. mRry niZ.k rFkk vory niZ.k esa vUrj fy[ksaA 3
Write the difference between convex mirror and concave mirror.
3. ukekafdr vkjs[k [khapdj fdlh fo|qr~ eksVj ds fl)kUr ,oa dk;Zfof/k dk o.kZu dhft,A 5
Explain principle and working of an electric motor by drawing a labelled
diagram.
vFkok
OR
(a) ifjukfydk ls vkidk D;k vfHkizk; gS \ ,d ifjukfydk esa izokfgr fo|qr~ /kkjk ds dkj.k mRiUu
pqacdh; {ks= dks vkjsf[kr dhft,A 3
What is solenoid ? Draw the magnetic field around a current carrying
solenoid.
(b) ¶ysfeax dk nf{k.k-gLr fu;e fy[ksaA 2
Write the Fleming's right-hand rule.
[k.M – c
SECTION – B [ Marks : 10
¼jlk;u foKku½
(CHEMISTRY)
4. fo;kstu vfHkfØ;k dh ifjHkk"kk nsaA fo;kstu vfHkfØ;k dh larqfyr jklk;fud vfHkfØ;k fy[ksaA 2
Define decomposition reaction. Write a balanced equation for decomposition
reaction.
5. Na 2CO 3 .10 H 2O dk lkekU; uke o nks mi;ksx fy[ksaA 3
Write common name and two uses of Na 2CO 3 .10 H 2O .
5505/(Set : A)/ I P. T. O.
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(4) 5505/(Set : A)
6. (a) ijek.kq lkbt+] vkorZ esa dSls cnyrk gS \ o.kZu djsaA 3
How does atomic size vary in a period ? Explain.
(b) vk/kqfud vkorZ lkj.kh esa igys nl rÙoksa esa dkSu-lh /kkrq,¡ gSa \ 2
In modern periodic table, which are the metals among first ten elements ?
vFkok
OR
ukbVªkstu ¼ijek.kq la[;k 7½ rFkk Q+kLQksjl ¼ijek.kq la[;k 15½ vkorZ lkj.kh ds lewg 15 ds rÙo gSaA
bu nksuksa rÙoksa dk bysDVªkWfud foU;kl fy[ksaA buesa dkSu-lk rÙo vf/kd _.k fo|qr~ gksxk vkSj D;ksa \ 5
Nitrogen (atomic number 7) and Phosphorus (atomic number 15) belong to
group 15 of periodic table. Write electronic configurations of these two
elements. Which of these will be more electronegative and why ?
[k.M – l
SECTION – C [ Marks : 10
¼tho foKku½
foKku½
(LIFE SCIENCE)
7. ekuo esa o`"k.k ds D;k dk;Z gSa \ 2
What are the functions performed by the testis in human beings ?
8. iq"i dh vuqnS?;Z dkV dk ukekafdr fp= cukb,A 3
Draw a well-labelled diagram of the longitudinal section of a flower.
9. Xywdkst ds vkWDlhdj.k ls fHkUu thoksa esa ÅtkZ izkIr djus ds fofHkUu iFk D;k gSa \
5
What are the different ways in which glucose is oxidized to provide energy in
various organisms ?
vFkok
OR
(a) mRlthZ mRikn ls NqVdkjk ikus ds fy, ikni fdu fof/k;ksa dk mi;ksx djrs gSa \ 3
What are the methods used by plants to get rid of excretory products ?
(b) Lo;aiks"kh rFkk fo"keiks"kh iks"k.k esa D;k varj gS \ 2
What are differences between autotrophic nutrition and heterotrophic
nutrition ?
S
5505/(Set : A)/ I
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CLASS : 10th (Secondary) Code No. 5506
Series : Sec. April/2021
Roll No.
foKku
SCIENCE
Hkkx – II
PART – II
¼oLrqfu"B iz'u½
(Objective Questions)
(Academic/Open)
[ fgUnh ,oa vaxzsth ek/;e ]
[ Hindi and English Medium ]
(Only for Fresh/Re-appear Candidates)
[ Only for Visually Challenged Candidates ]
• Ñi;k tk¡p dj ysa fd Hkkx–II ds bl iz'u-i= esa eqfnzr i`"B 8 rFkk iz'u 30 gSaA
Please make sure that the printed pages in this question paper of Part-II are 8 in
number and it contains 30 questions.
• 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 dk 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.
lkekU; funsZ'k %
General Instructions :
(i) lHkh iz'u vfuok;Z gSaA
All questions are compulsory.
(ii) lgh mÙkj viuh mÙkj-iqfLrdk esa fyf[k,A
Write correct answer in your answer-book.
5506/ II P. T. O.
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(2) 5506
1. okguksa esa i'p&n`'; ds fy, lkekU;r% dkSu&lk niZ.k mi;ksx fd;k tkrk gS \ 1
(A) lery (B) mÙky
(C) vory (D) buesa ls dksbZ ugha
Which mirror is commonly used as rear-view mirror in the vehicles ?
(A) Plane (B) Convex
(C) Concave (D) None of these
2. lw;kZsn; ds le; lw;Z ds jDrkHk izrhr gksus dk dkj.k gS % 1
(A) leatu (B) izdh.kZu
(C) fo{ksi.k (D) ijkorZu
The reddening of the sun at sunrise is due to :
(A) accomodation (B) scattering
(C) dispersion (D) reflection
3. [krjs dk ladsr fdl jax dk gksrk gS \ 1
(A) yky (B) uhyk
(C) lQsn (D) gjk
What is the colour for danger ?
(A) Red (B) Blue
(C) White (D) Green
4. fuEufyf[kr esa ls dkSu&lk ;a= foHkokarj dks ekius ds fy, mi;ksx esa yk;k tkrk gS \ 1
(A) ,ehVj (B) oksYVehVj
(C) xSYokuksehVj (D) mijksDr lHkh
Which of the following can be used to measure the potential difference ?
(A) Ammeter (B) Voltmeter
(C) Galvanometer (D) All of these
5506/ II
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(3) 5506
5. xeZ ty izkIr djus ds fy, ge lkSj ty rkid dk mi;ksx fdl fnu ugha dj ldrs \ 1
(A) /kwi okys fnu (B) xje fnu
(C) iouksa okys fnu (D) cknyksa okys fnu
A solar water heater can not be used to get hot water on :
(A) A sunny day (B) A hot day
(C) A windy day (D) A cloudy day
6. fuEu esa ls dkSu&lh xSl ck;ksxSl esa lokZf/kd ek=k esa ik;h tkrh gS \ 1
(A) gkbMªkstu (B) dkcZu MkbvkWDlkbM
(C) ehFksu (D) gkbMªkstu lYQkbM
Which of the following gas is found maximum in biogas ?
(A) Hydrogen (B) Carbon dioxide
(C) Methane (D) Hydrogen sulphide
7. fdlh Hkh HkkSfrd vFkok jklk;fud izØe esa dqy ÅtkZ % 1
(A) ?kV tkrh gS (B) c<+ tkrh gS
(C) vifjofrZr jgrh gS (D) buesa ls dksbZ ugha
In any physical or chemical process the total energy :
(A) Decreases (B) Increases
(C) Remain unchanged (D) None of these
8. 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) Tokjh; ÅtkZ
(C) lkSj ÅtkZ (D) ukfHkdh; ÅtkZ
Artificial satellites and space probes uses which of the following as the main
source of energy ?
(A) Wind Energy (B) Tidal Energy
(C) Solar Energy (D) Nuclear Energy
9. oU; mRiknksa ij vk/kkfjr m|ksx gS/gSa % 1
(A) dkxt m|ksx (B) [ksy dk leku
(C) IykfLVd m|ksx (D) (A) o (B) nksuksa
The industry based on forest products is/are :
(A) Paper Industry (B) Sports Equipment
(C) Plastic Industry (D) Both (A) and (B)
5506/ II P. T. O.
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(4) 5506
10. fVgjh ck¡/k fdl unh ij cuk gS \ 1
(A) ;equk (B) xaxk
(C) jkoh (D) ueZnk
Tehri dam is built on which river ?
(A) Yamuna (B) Ganga
(C) Ravi (D) Narmada
11. rsy ,oa olk;qDr [kk| inkFkks± dks ukbVªkstu ls izHkkfor D;ksa fd;k tkrk gS \ 1
(A) mudk vip;u jksdus ds fy, (B) mudk mip;u jksdus ds fy,
(C) mudks dhVksa ls cpkus ds fy, (D) mudks pwgksa ls cpkus ds fy,
Oil and fat containing food items are flushed with nitrogen. Why ?
(A) To prevent their reduction (B) To prevent their oxidation
(C) To protect them from insects (D) To protect them from rodents
12. fo;kstu vfHkfØ;k …………… vfHkfØ;k ds foijhr gksrh gSA 1
(A) la;kstu (B) foLFkkiu
(C) f}foLFkkiu (D) jsMkWDl
Decomposition reactions are opposite to ……….. reactions.
(A) Combination (B) Displacement
(C) Double displacement (D) Redox
13. dksbZ foy;u yky fyVel dks uhyk dj nsrk gS] bldk pH gksxk % 1
(A) 1 (B) 4
(C) 7 (D) 10
A solution turns red litmus blue, its pH is :
(A) 1 (B) 4
(C) 7 (D) 10
14. dkSu&lh /kkrq dejs ds rki ij nzo gksrh gS \ 1
(A) ikjk (B) lksfM;e
(C) czksehu (D) ty
Which metal is a liquid at room temperature ?
(A) Mercury (B) Sodium
(C) Bromin (D) Water
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(5) 5506
15. lksfM;e dh ijek.kq la[;k 11 gSA bldk KLM dks'kksa esa bysDVªkWu forj.k gksxk % 1
(A) 2, 9 (B) 3, 8
(C) 2, 7, 2 (D) 2, 8, 1
The atomic number of sodium is 11. Its electronic distribution in KLM shells
will be :
(A) 2, 9 (B) 3, 8
(C) 2, 7, 2 (D) 2, 8, 1
16. dkcZu dh ijek.kq la[;k gS % 1
(A) 1 (B) 3
(C) 4 (D) 6
Atomic number of Carbon is :
(A) 1 (B) 3
(C) 4 (D) 6
17. izksisu dk vkf.od lw= gS % 1
(A) CH4 (B) C2H 6
(C) C 3H 8 (D) C 4H 10
Molecular formula of Propane is :
(A) CH4 (B) C2H 6
(C) C 3H 8 (D) C 4H 10
18. lar`Ir gkbMªksdkcZu dgykrs gSa % 1
(A) ,Ydsu (B) ,Ydhu
(C) ,Ydkbu (D) csUthu
The saturated hydrocarbons are called :
(A) Alkanes (B) Alkenes
(C) Alkynes (D) Benzene
5506/ II P. T. O.
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(6) 5506
19. Loiks"kh iks"k.k ds fy, vko';d gS % 1
(A) DyksjksfQy (B) lw;Z dk izdk'k
(C) CO2 rFkk ty (D) buesa ls lHkh
The autotrophic mode of nutrition requires :
(A) Chlorophyll (B) Sunlight
(C) CO2 and water (D) All of these
20. euq"; esa o`Dd ,d ra= dk Hkkx gS tks lacaf/kr gS % 1
(A) iks"k.k ls (B) 'olu ls
(C) ifjogu ls (D) mRltZu ls
The kidneys in human beings are a part of the system for :
(A) Nutrition (B) Respiration
(C) Transportation (D) Excretion
21. Xywdkst+ dk ikb:osV esa fo[kaMu dgk¡ ij gksrk gS \ 1
(A) dsUnzd esa (B) ekbVksdk¡fMª;k esa
(C) gfjryod esa (D) dksf'kdknzO; esa
Breakdown of glucose into pyruvate take place in :
(A) Nucleus (B) Mitochondria
(C) Chloroplast (D) Cytoplasm
22. gekjs 'kjhj esa es#jTtq dh j{kk dkSu djrk gS \ 1
(A) efLr"d (B) d'ks#d-naM
(C) raf=dk dksf'kdk (D) buesa ls dksbZ ugha
Who protects the spinal cord in our body ?
(A) Brain (B) Vertebral Column
(C) Neuron (D) None of these
23. is'kh dksf'kdkvksa esa ,d fo'ks"k izdkj dh izksVhu gksrh gS] tks mudh…………..rFkk O;oLFkk nksuksa dks gh
cny nsrh gSA 1
(A) vkÑfr (B) fLFkfr
(C) is'kh dksf'kdk (D) raf=dk dksf'kdk
5506/ II
Page 11
(7) 5506
Muscle cells have special proteins that change……………….. and their
arrangement in the cells.
(A) Shape (B) Position
(C) Muscle cell (D) Neuron
24. xHkZ/kkj.k jksdus ds fy, fuEufyf[kr esa ls fdlesa ^dkWij&Vh* dks LFkkfir fd;k tkrk gS \ 1
(A) vaMokfgdk (B) ;ksfu
(C) xzhok (D) xHkkZ'k;
'Copper T' is placed in which of the following to prevent the pregnancy ?
(A) Oviduct (B) Vagina
(C) Cervix (D) Uterus
25. fuEufyf[kr esa ls fdlesa cgq[kaMu gksrk gS \ 1
(A) vehck esa (B) ysLekfu;k esa
(C) IyST+eksfM;e esa (D) (A) vkSj (B) nksuksa esa
In which of the following multiple fission occur ?
(A) Amoeba (B) Leishmania
(C) Plasmodium (D) Both (A) and (B)
26. uj vkSj eknk esa fdrus tksMs+ xq.klw= gksrs gSa \ 1
(A) 23 (B) 33
(C) 43 (D) 46
How many pair of chromosomes are in male and female ?
(A) 23 (B) 33
(C) 43 (D) 46
27. thoksa ds y{k.k fdlds }kjk fu;af=r gksrs gSa \ 1
(A) thu (B) dksf'kdknzO;
(C) dksf'kdk f>Yyh (D) fjfDrdk
What controls the characteristics/traits in living organisms ?
(A) Gene (B) Cytoplasm
(C) Cell Membrane (D) Vacuole
5506/ II P. T. O.
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28. fuEufyf[kr esa ls dkSu&lk rhljs iks"kh Lrj ij vkrk gS \ 1
(A) izkFkfed miHkksDrk (B) f}rh;d miHkksDrk
(C) r`rh;d miHkksDrk (D) buesa ls dksbZ ugha
Which of the following come at third trophic level ?
(A) Primary consumers (B) Secondary consumers
(C) Tertiary consumers (D) None of these
29. fuEufyf[kr esa ls dkSu&lk izkÑfrd ikfjra= ugha gS \ 1
(A) ou (B) rkykc
(C) >hy (D) [ksr
Which of the following is not a Natural Ecosystem ?
(A) Forest (B) Pond
(C) Lake (D) Crop field
30. fuEu esa ls miHkksDrk dkSu gS \ 1
(A) ekuo (B) 'ksj
(C) fgj.k (D) buesa ls lHkh
Which is the Consumer among these ?
(A) Human (B) Lion
(C) Deer (D) All of these
S
5506/ II