TBSE Class 10 Sample Paper 2023 Science

MODEL QUESTION
Class-X : SCIENCE (BIOLOGY) : Pre-Board/Board Final Exam. : 2022-23 : Marks - 30

I. §!ë˛Ü˛ í˛z_Ó˚ !lÓ≈yã˛l ܲˆÏÓ˚y (MCQ) ıÈüÈ 1x4=4
1. ˛õeÓ˚ˆÏrôÓ˚ ˆáy°y G ÓÂô •GÎ˚y !ܲˆÏ§Ó˚ í˛z˛õÓ˚ !lË≈˛Ó˚¢#° ⁄
åܲä x!:ˆÏçl åáä Ó˚«˛#ˆÏܲyˆÏ¢Ó˚ ç° åàä ï˛y˛õÙyey åâä ˛õeÓ˚ˆrÏ ô CO2 ~Ó˚ àyì˛¸c
2. xƒy!ÙÓyÓ˚ áyòƒ@˝Ã•î ˛õÂô!ï˛Ó˚ lyÙ Èüü
åܲä í˛yÎ˚y°y•z!§§ åáä Ê˛ƒyˆÏày§y•zˆÏê˛y!§§ åàä xƒy!Ù!ÓˆÏÎ˚y!§§ åâä §y•zˆÏê˛yܲy•zˆÏl!§§
3. !mÈüÈ!Ó˲yçl ˛õÂô!ï˛ ˆòáy ÎyÎ˚ Èüü
åܲä ≤’yçˆÏÙy!í˛Î˚yÙ åáä ÙˆÏly!§!fiê˛§ åàä xƒy!ÙÓy åâä ≤’ƒyˆÏl!Ó˚Î˚y
4. l#ˆÏã˛Ó˚Ó˚ ˆÜ˛yl‰ ˛õòyÌ≈ GˆÏçyl hflψÏÓ˚Ó˚ «˛Î˚ âê˛yÎ˚ ⁄
åܲä ܲyÓ≈lÈüÈí˛y•zÈüÈx:y•zí˛ åáä ܲyÓ≈lÈüÈÙˆÏly:y•zí˛
åàä !ÙˆÏÌl åâä ˆÜœ˛yˆÏÓ˚yÊœ%˛ˆÏÓ˚y ܲyÓ≈l
II. ~ܲ ¢ˆÏ∑‡ÓyˆÏܲƒ l#ˆÏã˛Ó˚ ≤ß¿à%!°Ó˚ í˛z_Ó˚ òyG ıÈüÈ 1x9=9
5. Ó˚ˆÏ=˛ ˛õyGÎ˚y ÎyÎ˚ ~Ùl ò%!ê˛ Ÿªy§Ó˚OˆÏܲÓ˚ lyÙ !°á–
6. ˆÜ˛yl‰ ≤Ãyî#ˆÏï˛ ˆÓ˚ã˛l xÇà !•§yˆÏÓ §Ó%ç @˝Ã!rÌ ÌyˆÏܲ ⁄
7. ¢)lƒfiÌyl ˛õ)Ó˚î ܲÓ˚ ıÈüÈ
!lˆÏ£ÏˆÏܲÓ˚ Ê˛ˆÏ° ÈüüüÈÈüüüÈÈüüüÈÈüüüÈ à!ë˛ï˛ •Î˚–
8. !§làƒy!Ù !ܲ ⁄
9. àˆÏly!Ó˚Î˚y ˆÓ˚yà §,!T˛Ü˛yÓ˚# ç#Óyî%Ó˚ ˜ÓK˛y!lܲ lyÙ !ܲ ⁄
10. Ó˚=˛ã˛y˛õ ˆÜ˛yl‰ ΈÏsfÓ˚ §y•yˆÏ΃ Ùy˛õy •Î˚ ⁄
11. ≤’ƒyÇê˛l !ܲ ⁄
12. IUCN - ~Ó˚ §¡õ)î≈ lyÙ !°á–
13. 10% §)ˆÏeÓ˚ ≤ÃÓ=˛y ˆÜ˛ ⁄
III. §Ç!«˛Æ í˛z_Ó˚ òyG ıÈüÈ 2x4=8
14. çy•zˆÏ°Ù G ˆÊœ˛yˆÏÎ˚Ù Ü˛°yÓ˚ §ç#Ó ˆÜ˛y£Ï#Î˚ í˛z˛õyòylà%!° !ܲ !ܲ ⁄
15. Ó˚=˛ G °!§Ü˛yÓ˚ ÙˆÏôƒ ò%!ê˛ ˛õyÌ≈ܲƒ !°á–
16. ÚÚ!°Çà !lô≈yÓ˚ˆÏîÓ˚ çlƒ !˛õï˛y òyÎ˚#ñ Ùyï˛y llÛÛ Èüü Ó%!V˛ˆÏÎ˚ òyG–
17. ~ܲ!ê˛ áyòƒ !˛õÓ˚y!ÙˆÏí˛Ó˚ !ã˛e xÇܲl ܲˆÏÓ˚ ï˛yÓ˚ !Ó!˲ߨ ˛õ%!T˛hflÏÓ˚ !ã˛!•´ï˛ ܲÓ˚–
IV. ≤ß¿à%!°Ó˚ í˛z_Ó˚ òyG ıÈüÈ
18. §˛õ%‹õܲ í˛z!qˆÏòÓ˚ !mÈüÈ!lˆÏ£Ïܲ !ܲ˲yˆÏÓ âˆÏê˛ !°á– 4
19. Ùyl%ˆÏ£ÏÓ˚ •,Í!˛õˆÏu˛Ó˚ ò#â≈ˆÏFSȈÏòÓ˚ !ã˛e ~шÏܲ !Ó!˲ߨ xÇ¢ !ã˛!•´ï˛ ܲÓ˚– ï˛#Ó˚!ã˛ˆÏ•´Ó˚ §y•yˆÏ΃ •,Í!˛õˆÏu˛Ó˚ Ùôƒ
!òˆÏÎ˚ Ó˚=˛§ÇÓ•l ˛õÌ ˆòáyG– 5

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ENGLISH VERSION

I. Write the correct answer :– 1x4=4
1. Depending on what stomata are open and closed ?
(a) Oxygen (b) Guard cell’s water
(c) Temperature (d) The concentration of carbondioxide in
the pores
2. Name of Amoeba’s feeding method –
(a) Dialysis (b) Phagocytosis (c) Amoebiasis (d) Cytokinesis
3. The ‘Binary Fission’ is seen in –
(a) Plasmodium (b) Monocystis (c) Amoeba (d) Planaria
4. Which of the following substances depletes the ozone layer ?
(a) Carbondioxide (b) Carbonmonoxide
(c) Methane (d) Chlorofluoro carbon
II. Answer the following questions in one word/sentence :– 1x9=9
5. Write the name of two breathing pigments found in the blood.
6. Which animal has ‘green gland’ as excretory organ ?
7. Fill in the blanks :–
As a result of fertilization _____ is formed.
8. What is syngamy ?
9. What is the scientific name of the bacterium that causes gonorrhea ?
10. Name the instrumetnt for measuring Blood Pressure.
11. What is plankton ?
12. Write the full form of IUCN.
13. Who is the proponent of 10% Formula ?
III. Short answer type questions :– 2x4=8
14. What are the living ingredients of xylem and phloem tissue ?
15. Write two differences between blood and lymph.
16. “Father is responsible for determining gender, not mother” – Explain.
17. Draw a picture of a food pyramid and mark its different nutrient levels.
IV. Answer the following questions :–
18. How does double fertilization occur in flowering plants ? 4
19. Draw a labelled diagram of Longitudinal section of human heart. By using arrow sign
show the pathway of blood circulation in the heard. 5

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MODEL QUESTION
Class-X : SCIENCE (PHYSICS) : Pre-Board/Board/Final Exam. : 2022-23 : Marks - 25

I. Choose the correct answer :– 1x3=3
1. How are a voltmeter and an ammeter connected in the electrical circuit ?
ï˛!í˛¸Í Óï≈˛l#ˆÏï˛ ˆË˛yŒê˛!Ùê˛yÓ˚ ~ÓÇ xƒy!Ùê˛yÓ˚ ܲ#˲yˆÏÓ Î%=˛ ÌyˆÏܲ ⁄
(a) Both voltmeter and ammeter are connected in series combination.
ˆË˛yŒê˛!Ùê˛yÓ˚ ~ÓÇ xƒy!Ùê˛yÓ˚ í˛z˲Î˚•z ˆ◊!î §ÙÓyˆÏÎ˚ Î%=˛ ÌyˆÏܲ–
(b) Both voltmeter and ammeter are connected in parallel combination.
ˆË˛yŒê˛!Ùê˛yÓ˚ ~ÓÇ xƒy!Ùê˛yÓ˚ í˛z˲Î˚•z §Ùyhs˝Ó˚y° §ÙÓyˆÏÎ˚ Î%=˛ ÌyˆÏܲ–
(c) Voltmeter in series and ammeter in parallel combination.
ˆË˛yŒê˛!Ùê˛yÓ˚ ˆ◊!î §ÙÓyˆÏÎ˚ ~ÓÇ xƒy!Ùê˛yÓ˚ §Ùyhs˝Ó˚y° §ÙÓyˆÏÎ˚ Î%=˛ ÌyˆÏܲ–
(d) Voltmeter in parallel and ammeter in series combination.
ˆË˛yŒê˛!Ùê˛yÓ˚ §Ùyhs˝Ó˚yˆÏ° ~ÓÇ xƒy!Ùê˛yÓ˚ ˆ◊!î §ÙÓyˆÏÎ˚ Î%=˛ ÌyˆÏܲ–
2. The phenomenon of electromagnetic induction is –
ï˛!í˛¸ÍÈüÈã%˛¡∫ܲ#Î˚ xˆÏӈϢÓ˚ âê˛ly!ê˛ •° ÈüÈ
(a) The process of a body.
ˆÜ˛yˆÏly Ó›ˆÏܲ xy!•ï˛ ܲÓ˚yÓ˚ ˛õÂô!ï˛–
(b) Producing induced current in a coil due to relative motion between a magnet and
the coil.
Ü%˛u˛!° ~ÓÇ ã%˛¡∫ˆÏܲÓ˚ xyˆÏ˛õ!«˛Ü˛ à!ï˛Ó˚ ܲyÓ˚ˆÏî Ü%˛u˛!°ˆÏï˛ xy!ÓT˛ ï˛!í˛¸Í ≤ÃÓy• §,!T˛ ܲÓ˚yÓ˚ ˛õÂô!ï˛–
(c) The process of producing magnetic field due to a current passing through the
coil.
Ü%˛u˛!°ˆÏï˛ ï˛!í˛¸Í≤ÃÓyˆÏ•Ó˚ ܲyÓ˚ˆÏî ã%˛¡∫ܲˆÏ«˛e §,!T˛ ܲÓ˚yÓ˚ ˛õÂô!ï˛–
(d) The process of rotating a coil of an electric motor.
•zˆÏ°Ü˛!ê˛∆ܲ ˆÙyê˛ˆÏÓ˚Ó˚ Ü%˛u˛!°Ó˚ â)î≈l §,!£Ïê˛ Ü˛Ó˚yÓ˚ ˛õÂô!ï˛–
3. The magnetic field lines of uniform magnetic field are –
~ܲ!ê˛ §%£ÏÙ ˆã˛Ô¡∫ܲˆÏ«˛ˆÏeÓ˚ Ó°ˆÏÓ˚áyà%!° ÈüÈ
(a) Converging (b) Diverging
x!˲§yÓ˚# x˛õ§yÓ˚#
(c) Parallel (d) Non-parallel
§Ùyhs˝Ó˚y° x§Ùyhs˝Ó˚y°
II. VSA questions :– 1x7=7
4. A D A narrow beam of white light PQ is passing through a
Q glass prism ABC. Trace it on your answer sheet and show
P > the path of the emergent beam as observed on the screen
B C DE.
E
Screen ~ܲ!ê˛ §Ó˚% §yòy xyˆÏ°yÏܲ Ó˚!Ÿ¬à%FSÈ ABC !≤ÃçˆÏÙÓ˚ Ùôƒ !òˆÏÎ˚ ≤ÈÏÓ¢
ܲˆÏÓ˚– DE ˛õò≈yÎ˚ !là≈Ùl Ó˚!Ÿ¬à%ˆÏFSÈÓ˚ !ã˛e ˆï˛yÙyÓ˚ í˛z_Ó˚˛õˆÏe xAܲl
ܲˆÏÓ˚y–
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5. What is the range of vision of a normal human eye ?
fl∫y˲y!Óܲ ÙylÓ ã˛«%˛Ó˚ ò,!T˛Ó˚ ˛õyÕ‘y Ü˛ï˛ ⁄
6. A person is advised to wear spectacles with convex lenses. State the defect of vision
he is suffering from.
~ܲçl Óƒ!=˛ˆÏܲ í˛z_° ˆ°™ Î%=˛ ã˛¢Ùy ÓƒÓ•yÓ˚ ܲÓ˚yÓ˚ çlƒ Ó°yy •ˆÏÎ˚ˆÏSÈ– ˙ Óƒ!=˛Ó˚ ò¢≈ˆÏl ܲ# ôÓ˚ˆÏîÓ˚ e%!ê˛
!ÓòƒÙyl ⁄
7. Name the physical quantity whose unit is volt/ampere.
ˆË˛Ôï˛Ó˚y!¢!ê˛Ó˚ lyÙ !°á ÎyÓ˚ ~ܲܲ ˆË˛yŒê˛‡xƒy!¡õÎ˚yÓ˚–
8. Find the minimum resistance that can be made using fire resistors, each of 5Ω.
5Ω ˆÓ˚yˆÏôÓ˚ 5!ê˛ ˆÓ˚yôܲˆÏܲ Î%=˛ ܲˆÏÓ˚ l)ƒlï˛Ù ˆÓ˚yô Ü˛ï˛ •ˆÏÓ ⁄
9. Show the direction of the magnetic field lines in the side
((
))

S N figure.
˛õyˆÏ¢Ó˚ !ã˛ˆÏe ˆã˛Ô¡∫ܲ Ó°ˆÏÓ˚áyÓ˚ !òܲ §!ë˛Ü˛Ë˛yˆÏÓ !ã˛!•´ï˛ ܲˆÏÓ˚y–
10. What is represented by the middle finger in Flemings Left Hand rule ?
ˆÊœ˛!ÙÇ$ÈüÈ~Ó˚ ÓyÙ•fiÌ !lÎ˚ˆÏÙ ÙôƒÙy ܲ# !lˆÏò≈¢ ܲˆÏÓ˚ ⁄
III. Answer the following questions briefly :– 2x3=6
l#ˆÏã˛Ó˚ ≤ß¿à%!°Ó˚ §Ç!«˛Æ í˛z_Ó˚ !°á ıÈüÈ
11. What type of mirror used as a ‘rear view mirror’ in vehicles and why ?
ÎylÓy•ˆÏl Ú!Ó˚Î˚yÓ˚ !˲í˛z !ÙÓ˚Ó˚Û !•§yˆÏÓ Ü˛# ôÓ˚ˆÏîÓ˚ ò˛õ≈î ÓƒÓ•yÓ˚ ܲÓ˚y •Î˚ ~ÓÇ ˆÜ˛l ⁄
12. Why do stars appears to twinkle while the planets do not ?
l«˛eà%!°ˆÏܲ !Ùê˛!Ùê˛ Ü˛Ó˚ˆÏï˛ ˆòáy ÎyÎ˚ !ܲv ˛@˝Ã•à%!°ˆÏܲ lÎ˚ ˆÜ˛l ⁄ Óƒyáƒy ܲˆÏÓ˚y–
13. State two important advantages of alternating current over direct current.
§Ù≤ÃÓy• xˆÏ˛õ«˛y ˛õ!Ó˚Óï˛#≈ ≤ÃÓyˆÏ•Ó˚ ò%!ê˛ à%Ó˚%c˛õ)î≈ §%!ÓôyÓ˚ í˛zˆÏÕ‘á ܲÓ˚–
IV. Answer the following question :– 4
l#ˆÏã˛Ó˚ ≤Èϟ¿Ó˚ í˛z_Ó˚ òyG ıÈüÈ
14. A strong metal with high melting point such as tungsten is used for making bulb
filaments.
í˛zFã˛ à°lyˆÏAܲÓ˚ ¢=˛ ôyï%˛ ê˛yAàˆÏT˛l ÓyˆÏÕ∫Ó˚ !Ê˛°yˆÏÙrê˛ ˜ï˛Ó˚#ˆÏï˛ ÓƒÓ•,ï˛ •Î˚–
i) Which principle applied for making bulb filaments ?
ÓˆÏÕ∫Ó˚ !Ê˛°yˆÏÙrê˛ ˜ï˛Ó˚# ˆÜ˛yl l#!ï˛Ó˚ í˛z˛õÓ˚ ≤Ã!ï˛!¤˛ï˛ ⁄
ii) If this bulb is connected to a 220V source and current is 0.5 A then what will be
the power of the bulb ?
~•z ÓyÕ∫!ê˛ Î!ò 220 ˆË˛yŒê˛ í˛z͈ϧÓ˚ §ˆÏAà Î%=˛ ÌyˆÏܲ ~ÓÇ ≤ÃÓyˆÏ•Ó˚ Ùyl 0.5 xƒy!¡õÎ˚yÓ˚ •Î˚ ï˛ˆÏÓ
ÓyÕ∫!ê˛Ó˚ «˛Ùï˛y Ü˛ï˛ •ˆÏÓ ⁄
iii) If the power of the bulb rated 200W operates 8 hours per day then what will be
the cost of energy to operate it for 30 days at Rs 5.00 per kilowatt–hour ?
Î!ò ÓyˆÏŒÓÓ˚ «˛Ùï˛y 200 GÎ˚yê˛ •Î˚ ~ÓÇ !òˆÏl 8 ârê˛y ܲyç ܲˆÏÓ˚ ï˛ˆÏÓ ≤Ã!ï˛ !ܲˆÏ°yGÎ˚yê˛ÈüÈârê˛y 5 ê˛yܲy
!•§yˆÏÓ 30 !òˆÏl Ü˛ï˛ áÓ˚ã˛ •ˆÏÓ ⁄
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IV. Answer the following question :– 5
l#ˆÏã˛Ó˚ ≤Èϟ¿Ó˚ í˛z_Ó˚ òyG ıÈüÈ
15. A doctor has prescribed a corrective lens of power +2.OD –
~ܲçl í˛y=˛yÓ˚ +2.OD «˛Ùï˛yÓ˚ ~ܲ!ê˛ e%!ê˛•#l ˆ°™ ˆ≤ç!ܲ˛õ§yˆÏl !°áˆÏ°l ÈüÈ
i) Find the focal length of the lens.
ˆ°™!ê˛Ó˚ ˆÊ˛yܲy§ ˜òâ≈ƒ !lî≈Î˚ ܲˆÏÓ˚y–
ii) Is the prescribed lens diverging or converging ? What is the difference between
diverging and converging lens ?
ˆ°™!ê˛ x˛õ§yÓ˚# ly x!˲§yÓ˚# ≤ÃÜ,˛!ï˛Ó˚ ⁄ x˛õ§yÓ˚# ~ÓÇ x!˲§yÓ˚# ˆ°ˆÏ™Ó˚ ˛õyÌ≈ܲƒ ܲ# ⁄
iii) What type of image formed when an object is placed within the focal length of
this lens ? Draw the ray diagram.
~ܲ!ê˛ Ó›ˆÏܲ ~•z ˆ°ˆÏ™Ó˚ ˆÊ˛yܲy§ ˜òˆÏâ≈ƒÓ˚ ÙˆÏôƒ Ó˚yáˆÏ° ܲ# ôÓ˚ˆÏîÓ˚ ≤Ã!ï˛!Ó¡∫ à!ë˛ï˛ •ˆÏÓ ⁄ ~Ó˚ Ó˚!Ÿ¬
!ã˛e xAܲl ܲˆÏÓ˚y–

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Model Question
Class X : Science (Chemistry) : Pre-Board/Board Final : 2022 -23 : Marks 25

I. p¢WL Ešl¢V h¡R¡C Ll : 1x 3 = 3
1. Fe2 O3 + 2 Al --------------- Al2 O3 + 2 Fe ¢h¢œ²u¡¢V HL¢V
(L) pw−k¡Se ¢h¢œ²u¡ (M) ¢h−u¡Se ¢h¢œ²u¡
(N) fË¢aÙÛ¡fe ¢h¢œ²u¡ (O) ¢à-fË¢aÙÛ¡fe ¢h¢œ²u¡
2. HL¢V Sm£u âhZ m¡m ¢mVj¡p−L e£m L−l z âhZ¢Vl pñ¡hÉ pH qm :
(L) 1 (M) 3 (N) 7 (O) 10

3z e£−Ql −L¡e d¡a¥¢V W¡™¡ h¡ Nlj Sm L¡−l¡ p−‰C ¢h¢œ²u¡ L−l e¡:
(L) Na (M) Cu (N) Ca (O) Mg

II. A¢a pw−r−f Ešl c¡J 1 x7 =7
4z −m¡q¡l °al£ h¡pefœ−L lw Ll¡ qu −Le ?
5zl¡p¡u¢eL pj£LlZ−L pja¡ ¢hd¡e Ll¡ fË−u¡Se −Le ?
6z d¡a¥l p−‰ M¢eS AÉ¡¢p−Xl ¢h¢œ²u¡u −L¡e NÉ¡p Evfæ qu ?
7z fÔ¡ØV¡l Ah fÉ¡¢lp-Hl l¡p¡u¢eL e¡j J pw−La ¢mM z
8z AÇml¡S L£ ?
9z ¢j−be-Hl C−mLVÊe-XV NWe-pw−La ¢mM z
O
10z H---C---H -Hl IUPAC e¡j ¢mM z
III. pw−r−f Ešl c¡J : 2x 4 = 8
11z Lf¡l p¡m−gV âh−Z −m¡q¡l R¥¢s −X¡h¡−m ¢L O−V, pj£LlZpq ¢mM z
12 z ¢e−cÑnL ¢L ? HL¢V fË¡L«¢aL J HL¢V L«¢œj ¢e−cÑn−Ll e¡j ¢mM z
13 z ¢hÔ¢Qw f¡EX¡l fËÙ¹¥¢al e£¢a pj£LlZ pq ¢mM z
14 z pÇf«š² J ApÇf«š² q¡CXÊL¡hÑ−el c¤¢V f¡bÑLÉ ¢mM z
IV. pw−r−f Ešl c¡J : 3
15 z(L) d¡a¥ Hhw Ad¡a¥l c¤¢V f¡bÑLÉ ¢mM z
(M) phÑ¡¢dL fËplZn£m d¡a¥¢Vl e¡j ¢mM z
V. c£OÑ Ešl ¢i¢šL fËnÀ : 4

16 (L) pjNZ£u −nËZ£ hm−a ¢L h¤T ? AÉ¡m−L¡q−ml pjNZ£u −nËZ£¢V ¢mM z
(M) Cb¡−e¡¢uL AÉ¡¢p−Xl NWepw−La ¢mM z
Abh¡,
(L) L¡kÑLl£ j§mL hm−a ¢L h¤T ? AÉ¡m¢Xq¡CX Hhw L¡hÑ¢„¢mL AÉ¡¢p−Xl L¡kÑLl£ j§m−Ll pw−La
¢mM z
(M) −h¢¾S−el NWepw−La ¢mM z