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Karnataka SSLC Question Paper 2024 Science

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Page 1

Karnataka School Examination and Assessment Board

QUESTION
PAPERS
2024

Page 2

CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018

B∆«M•⁄ O⁄}⁄¬° “
A

Question Paper Serial No.
Jlflo »⁄flfl¶√}⁄ Æ⁄‚¥lV⁄◊⁄ —⁄MSÊ¿ : 16 ]
Total No. of Printed Pages : 16 ]

Jlflo Æ⁄√ÀÊ-V⁄◊⁄ —⁄MSÊ¿ : 38 ] CCE RF/PF/RR/
PR/NSR/NSPR
Total No. of Questions : 38 ]
FULL SYLLABUS
—⁄MOÊfi}⁄ —⁄MSÊ¿ : 83-E
Code No. : 83-E
…Œ⁄æ⁄fl : …e¤k´⁄

TEAR HERE TO OPEN THE QUESTION PAPER
Subject : SCIENCE
(»èñÜ ËþÝ®Ü, ÃÜÓÝ¿á®Ü ËþÝ®Ü ÊÜáñÜᤠiàÊÜ ËþÝ®Ü / Physics, Chemistry & Biology )

Æ⁄√ÀÊ-Æ⁄~√OÊæ⁄fl´⁄fl-}Ê¡Êæ⁄flƒfl B∆« O⁄}¬°⁄ “
( AMV⁄« »⁄·¤®⁄¥¿»⁄fl / English Medium )
(ÍÝÇÝ A»Ü¦ì / TÝÓÜX A»Ü¦ì / ÍÝÇÝ ±Üâ®ÜÃÝÊÜ£ìñÜ A»Ü¦ì / TÝÓÜX ±Üâ®ÜÃÝÊÜ£ìñÜ

30. 03. 2024
A»Ü¦ì / G®….GÓ….BÃ…. / G®….GÓ….².BÃ….)
(Regular Fresh / Private Fresh / Regular Repeater / Private Repeater / NSR / NSPR)
¶´¤MO⁄ : 30. 03. 2024 ] [ Date : 30. 03. 2024
ÓÜÊÜá¿á : ¸æÙÜWæY 10-15 Äí¨Ü ÊÜá«ÝÂÖܰ 1-30 ÃÜÊÜÃæWæ ] [ Time : 10-15 A.M. to 1-30 P.M.
V⁄¬Œ⁄r @MO⁄V⁄◊⁄fl : 80 ] [ Max. Marks : 80

General Instructions to the Candidate : Cut here /B∆« O⁄}°⁄¬“
1. There are three parts in the question paper :
Part A : Physics, Part B : Chemistry, Part C : Biology.
2. This question paper consists of 38 questions in all.
3. This question paper has been sealed by reverse jacket. You have to cut
on the right side to open the paper at the time of commencement of
the examination ( Follow the arrow ). Do not cut the left side to open
the paper. Check whether all the pages of the question paper are intact.
4. Follow the instructions given against the questions.
5. Figures in the right hand margin indicate maximum marks for the
questions.
6. The maximum time to answer the paper is given at the top of the
question paper. It includes 15 minutes for reading the question paper.
7. Ensure that the Version of the question paper distributed to you and
Tear here

the Version printed on your admission ticket is the same.

1 of 16

Page 3

CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

PART – A
( PHYSICS )

I. Four alternatives are given for each of the following questions /

incomplete statements. Choose the correct alternative and write

the complete answer along with its letter of alphabet. 3×1=3

1. Element used in the solar cell is

(A) carbon (B) silicon

(C) phosphorus (D) sulphur

2. In an electric circuit to get an equivalent resistance R s four

resistors of 2 Ω each are first connected in series. Later to get an
equivalent resistance of R p the same resistors are connected in

parallel. Then the ratio of R s / R p is

(A) 16 : 1 (B) 2:1

(C) 4:1 (D) 8:1

3. Right statement regarding the colour of the scattered sunlight

and the size of scattering atmospheric particles is

(A) small particles scatter red colour

(B) big particles scatter blue colour

(C) big particles scatter violet colour

(D) too larger particles scatter all colours equally

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Page 4

CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

II. Answer the following questions : 2×1=2

4. Write the symbols of the following components used in an

electric circuit :

i) Combination of two cells

ii) Wires crossing without joining.

5. Can an electric heater of 2kW be connected to a domestic circuit

rated 15 A and has a potential difference of 220V ? Support your

answer.

III. Answer the following questions : 3×2=6

6. What is spectrum of white light ? Name any two phenomena that

occur in the atmosphere due to the refraction of light.

OR

What is cataract of eye ? What are the near point and far point of

the human eye with normal vision ?

7. “Production of nuclear energy is advantageous and also

disadvantageous.” Clarify this statement with suitable

explanation.

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CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

8. A person who has a defect of the eye as shown in the below

figure purchases a spectacle having lens of – 2·0D power. Is this

lens suitable to rectify the eye defect of that person ? Analyse.

IV. Answer the following questions : 3×3=9

9. Draw the ray diagram of image formation when the object is kept

at 2F1 of the convex lens. With the help of ray diagram mention

the position and the nature of the image formed.

( F 1 : Principal focus of the lens )

10. 200J of heat is produced each second in a 8Ω resistance. Find

the potential difference across the resistor.

OR

An electric refrigerator rated 300W operates 6 hours in a day.

What is the cost of the energy to operate it for 30 days at

Rs. 7·00 per kWh ?

30. 03. 2024 4 of 16

Page 6

CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

11. In domestic circuits,

i) What are the reasons for overloading ?

ii) Explain the working of earth wire.

OR

A coil of insulated copper wire is connected to a galvanometer.

What will happen if a bar magnet is

i) pushed into the coil ?

ii) withdrawn from inside the coil ?

iii) held stationary inside the coil ?

V. Answer the following questions : 2×4=8

12. a) State the right hand thumb rule. Write any two properties

of the magnetic field lines.

b) What is solenoid ? How can this be converted into an

electromagnet ?

13. a) State two laws of reflection of light.

b) Write any two differences between concave mirror and

convex mirror.

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Page 7

CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

PART – B

( CHEMISTRY )

VI. Four alternatives are given for each of the following questions /
incomplete statements. Choose the correct alternative and write
the complete answer along with its letter of alphabet. 3×1=3

14. Organic compounds obtained by the reaction between carboxylic

acid and alcohol are

(A) Aldehydes (B) Ketones

(C) Esters (D) Hydrocarbons

15. Ferrous sulphate crystals lose green colour when heated.

Because this compound

(A) decomposes into simpler products

(B) loses water molecules

(C) releases sulphur dioxide gas

(D) produces brown fumes

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CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

16. One limitation of Mendeleev’s periodic table is, this

classification

(A) was applicable only up to calcium

(B) suitable only for lighter elements

(C) has not provided definite position for noble gases

(D) has not assigned a fixed position to hydrogen

VII. Answer the following question : 3×1=3

17. Write any two uses of washing soda.

18. What are ‘periods’ and ‘groups’ in modern periodic table ?

19. Observe the electronic configurations of four elements given in

the following table and answer the below given question :

Elements Electronic configuration

e 2, 8, 2

f 2, 7

g 2, 8, 8, 1

h 2, 8, 7

Arrange these elements in the decreasing order of their atomic

radii ( atomic size ).

30. 03. 2024 7 of 16

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CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

VIII. Answer the following questions : 3×2=6

20. Draw the diagram of the arrangement of apparatus showing the

reaction of zinc granules with dilute sulphuric acid and testing

hydrogen gas by burning.

21. Simultaneously red and blue litmus papers are dipped in the

brine solution and in the aqueous product produced by

subjecting that solution to electrolysis. What changes do you

observe in litmus papers ? Support your answer with reasons.

OR

Observe the pH values of four solutions given in the following

table and answer the questions below.

Solutions → P Q R S

pH values 10·0 13·7 7·0 1·2

i) Which solution can be used to prepare an antacid ? Why ?

ii) Which two solutions can be used to get a neutral salt ?

Why ?

30. 03. 2024 8 of 16

Page 10

CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

22. Draw the diagram of arrangement of apparatus showing the

electrolytic refining of copper and label ‘acidified copper

sulphate’ solution.

IX. Answer the following questions : 3×3=9

23. a) Identify the substances that are oxidised and reduced in

the following chemical reaction :

ZnO + C → Zn + CO

b) What is rancidity ? Mention any two methods to prevent

rancidity.

24. Given below an incomplete equation that represents a chemical

process of converting an unsaturated carbon compound to

saturated carbon compound.

i) Complete the equation.

30. 03. 2024 9 of 16

Page 11

CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

ii) Name the gas ‘x’ and the substance ‘y’ .

iii) What happens if the end products of this reaction react

with chlorine in the presence of sunlight ?

25. a) Carbon could not form C 4 + or C 4 − ions. Why ?

b) Write the electron dot structure of methane.

OR

a) How micelles are formed during cleansing action of soap ?

b) Which are the salts responsible for hardness of water ?

Detergents are effective even in hard water. Why ?

X. Answer the following question : 1×4=4

26. a) How silver and copper articles lose their shining surface ?

How does galvanisation protect iron articles ?

b) Aluminium oxide is an amphoteric oxide. Why ?

30. 03. 2024 10 of 16

Page 12

CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

PART – C

( BIOLOGY )

XI. Four alternatives are given for each of the following questions /

incomplete statements. Choose the correct alternative and write

the complete answer along with its letter of alphabet. 2×1=2

27. An illustration for reflex action among the following is,

(A) moving a chair

(B) feeling the taste

(C) withdrawing hands back when unknowingly touch a hot

pan

(D) clapping at the end of the function

28. Pea plants with round seeds ( RR ) are crossed with pea plants

with wrinkled seeds ( rr ). The percentage of plants that are

having RR genetic make-up in F 2 generation is,

(A) 25% (B) 50%

(C) 30% (D) 75%

30. 03. 2024 11 of 16

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CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

XII. Answer the following questions : 3×1=3

29. “Though ozone is a deadly poison, it is essential for life on the

earth.” Justify this statement.

30. Schematic representation of blood circulation in the mammals is

given below :

i) Name the blood vessels ‘x’ and ‘y’.

ii) Which blood vessel has valves ?

31. “The number of organisms decreases by reaching higher trophic

level of a food chain in an ecosystem.” Why ?

30. 03. 2024 12 of 16

Page 14

CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

XIII. Answer the following questions : 2×2=4

32. Draw the diagram showing the germination of pollen on stigma

and label ‘pollen tube’.

33. Draw the diagram showing excretory system in human beings

and label ‘urinary bladder’.

XIV. Answer the following questions : 3×3=9

34. a) Measures of recharging underground water are better than

the storage of water on the surface levels of the ground.

How ? Explain.

b) Reuse is better than recycling. Why ?

35. a) “In human reproduction, the placenta performs a

significant role in the development of a foetus into a child.”

Justify this statement.

b) How can DNA copying be decided as one of the ways of

reproduction in lower organisms ?

36. What product is formed in the first step that takes place in the

cytoplasm during the respiration in animals ? Write any two

differences between aerobic and anaerobic respiration.

OR

30. 03. 2024 13 of 16

Page 15

CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

a) In what form are the waste products stored in old xylems

of plants ?

b) How do the products of photosynthesis transport to all

parts of the plant ?

XV. Answer the following question : 1×4=4

37. a) Which part of the human brain controls the following

activities ?

i) Involuntary activities

ii) Thinking process

iii) Posture and balance of the body.

b) What are phytohormones ? Name three phytohormones

that promote growth.

OR

a) Name the hormones that control the following activities in

man :

i) Regulating sugar level in the blood

ii) Regulating the menstrual cycle

iii) Preparing the body to face situation

iv) Regulating the metabolism.

b) Name any two tropisms that occur in plants. Give an

example for each.

30. 03. 2024 14 of 16

Page 16

CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

XVI. Answer the following question : 1×5=5

38. a) Human hands and wings of the bird help to trace the

evolutionary relationships. How ? Explain the methods of

dating of fossils.

b) Changes in the non-reproductive tissues will not inherit.

Why ?

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CCE RF/PF/RR/PR/NSR/NSPR(A)/666/018 83-E

30. 03. 2024 16 of 16

Page 18

CCE RF/PF/RR/PR/NSR/NSPR(A)/666/017

Question Paper Serial No.
A

CÈÉí¨Ü PÜñܤÄÔ
Joár ÊÜáá©ÅñÜ ±ÜâoWÜÙÜ ÓÜíTæÂ : 16 ]
Total No. of Printed Pages : 16 ]
Joár ±ÜÅÍæ°WÜÙÜ ÓÜíTæÂ : 38 ] CCE RF/PF/RR/
Total No. of Questions : 38 ] PR/NSR/NSPR
ÓÜíPæàñÜ ÓÜíTæÂ : 83-K FULL SYLLABUS
Code No. : 83-K
ËÐÜ¿á : ËþÝ®Ü
Subject : SCIENCE
»èñÜ ËþÝ®Ü, ÃÜÓÝ¿á®Ü ËþÝ®Ü ÊÜáñÜᤠiàÊÜ ËþÝ®Ü / Physics, Chemistry & Biology

TEAR HERE TO OPEN THE QUESTION PAPER
PܮܰvÜ ÊÜÞ«ÜÂÊÜá / Kannada Medium
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30. 03. 2024
Regular Fresh / Private Fresh / Regular Repeater / Private Repeater / NSR / NSPR
©®ÝíPÜ 30. 03. 2024 ] [ Date : 30. 03. 2024
ÓÜÊÜá¿á ¸æÙÜWæY 10-15 Äí¨Ü ÊÜá«ÝÂÖܰ 1-30 ÃÜÊÜÃæWæ ] [ Time : 10-15 A.M. to 1-30 P.M.
WÜÄÐÜu AíPÜWÜÙÜá 80 ] [ Max. Marks : 80
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CCE RF/PF/RR/PR/NSR/NSPR(A)/666/017 83-K

»ÝWÜ & A
( »èñÜ ËþÝ®Ü )
I. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ A¥ÜÊÝ A±Üä|ì ÖæàÚPæWÜÚWæ ®ÝÆáR ±Ü¿Þì¿á EñܤÃÜWÜÙÜ®Üá°
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±Üä|ì EñܤÃÜÊÜ®Üá° ŸÃæÀáÄ 3×1=3

1. ÓèÃÜPæãàÍÜWÜÙÜÈÉ ŸÙÜÓÜáÊÜ «ÝñÜá

(A) CíWÝÆ (B) ÔÈPݬ…

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30. 03. 2024 2 of 16

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CCE RF/PF/RR/PR/NSR/NSPR(A)/666/017 83-K
II. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 2×1=2

4. Jí¨Üá ˨ÜáÂñ…ÊÜáívÜÆ¨ÜÈÉ E¯ÜÁãàXÓÜáÊÜ PæÙÜX¬Ü ZoPÜWÜÙÜ bÖæ®WÜÙܬÜá®
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ii) Óæà±Üìvæ CÆÉ¨æ ¨Ýq¨Ü ñÜí£

5. 15A ÃæàqíW… ÊÜáñÜᤠ220V Ë»ÜÊÝíñÜÃÜ Öæãí©ÃÜáÊÜ WÜêÖÜŸÙÜPæ¿á
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hæãàwÓÜŸÖÜá¨æà ¯ÊÜá¾ EñܤÃÜÊÜ®Üá° ±ÜâÑràPÜÄÔ.

III. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 3×2=6

6. ¹Ú ¸æÙÜQ®Ü Ãæãà×ñÜ Gí¨ÜÃæà®Üá ¸æÙÜQ®Ü ÊÜQÅà»ÜÊܮܩí¨Ü ÊÝ¿ááÊÜáívÜÆ¨ÜÈÉ
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PÜ~¡®Ü ±æäÃæ Gí¨ÜÃæà®Üá ÓÝÊÜޮܠ¨ÜêÑr¿ááÙÜÛÊÜÄWæ ÓÜËáà±Ü ¹í¨Üá ÊÜáñÜá¤
¨ÜãÃÜ ¹í¨ÜáWÜÙÜá ¿ÞÊÜâÊÜâ

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A®Ü®ÜáPÜãÆÊÝX¿áã C¨æ. D ÖæàÚPæ¿á®Üá° ÓÜãPܤ ËÊÜÃÜOæÁãí©Wæ ÓܳÐÜr±ÜwÔ.

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8. PæãqrÃÜáÊÜ bñÜŨÜÈÉ ÊÜÂPܤ±ÜwÔ¨Üíñæ ¨ÜêÑr¨æãàÐÜÊÜ®Üá° Öæãí©ÃÜáÊÜ ÊÜÂQ¤¿áá
– 2·0D ÓÝÊÜá¥ÜÂì Öæãí©ÃÜáÊÜ ÊÜáÓÜãÃÜ¨Ü PܮܰvÜPÜÊÜ®Üá° SÄà©Ô¨ÝªÃæ. B

ÊÜÂQ¤¿á ¨ÜêÑr¨æãàÐÜ ±ÜÄÖÝÃÜPæR D ÊÜáÓÜãÃÜÊÜâ ÓÜãPÜ¤Êæà ËÍæÉàÑÔ.

IV. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 3×3=9

9. ²à®Ü ÊÜáÓÜãÃÜ¨Ü ÊÜááí¨æ 2 F 1 ®ÜÈÉ ÊÜÓÜá¤ÊÜ®Üá° CÄÔ¨ÝWÜ EípÝWÜáÊÜ ±ÜÅ£¹íŸ¨Ü

ÃæàTÝbñÜÅÊܬÜá® ŸÃæÀáÄ. ÃæàTÝbñÜÅ¨Ü ÓÜÖÝ¿á©í¨Ü ¯ÜÅ£¹íŸ¨Ü Óݧ¬Ü ÊÜáñÜá¤
ÓÜÌ»ÝÊÜWÜÙÜ®Üá° £ÚÔ.

[ F 1 ÊÜáÓÜãÃÜ¨Ü ±ÜÅ«Ý®Ü ÓÜíWÜÊÜá ]

10. 8  Ãæãà«Ü©í¨Ü ±ÜÅ£ ÓæPæíwWæ 200 J EÐÜ¡ÍÜQ¤ Eñܳ£¤¿ÞWÜᣤ¨æ. Ãæãà«ÜPܨÜ

®ÜvÜáË®Ü Ë»ÜÊÝíñÜÃÜ PÜívÜá×wÀáÄ.

A¥ÜÊÝ

300 W ¨ÜÃÜ¨Ü ÃæµÅgÃæàoÃ… ©¬ÜPæR 6 WÜípæWÜÙÜ PÝÆ ŸÙÜPæ¿ÞWÜáñܤ¨æ. 1 kWh Wæ

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11. WÜêÖÜ ŸÙÜPæ¿á ˨ÜáÂñ…ÊÜáívÜÆWÜÙÜÈÉ,

i) KÊÜÃ…Çæãàv… EípÝWÜÆá PÝÃÜ|WÜÙæà¬Üá

ii) »Üã ÓÜí±ÜPÜì ñÜí£¿á PÝ¿áìÊÜ®Üá° ËÊÜÄÔ.

A¥ÜÊÝ

AÊÝÖÜPÜ Öæã©Pæ CÃÜáÊÜ Jí¨Üá ñÝÊÜáÅ¨Ü ñÜí£¿á ÓÜáÃÜáÚ¿á®Üá°
WÝÂÆÌ®æãàËáàoÃ…Wæ ÓÜí±ÜQìÓÜÇÝX¨æ. Jí¨Üá ¨ÜívÜPÝíñÜÊÜ®Üá°

i) ÓÜáÃÜáÚ¿á JÙÜWæ ñÜÚÛ¨ÝWÜ

ii) ÓÜáÃÜáÚ¿á JÙÜX¯í¨Ü ×íñæWæ¨ÜáPæãívÝWÜ

iii) ÓÜáÃÜáÚ¿á JÙÜWæ ¯ÍÜcÆÊÝXÄÔ¨ÝWÜ H®ÝWÜáñܤ¨æ

V. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 2×4=8

12. a) ŸÆWæç Öæ¸æºÃÜÙÜ ­¿áÊÜáÊܬÜá® ­ÃÜã°Ô. PÝí£à¿á ŸÆÃæàTæWÜÙÜ
¿ÞÊÜâ¨Ý¨ÜÃÜã GÃÜvÜá ÆûÜ|WÜÙܬÜá® ŸÃæÀáÄ.

b) ÓæãÇæ¬Ý¿å…x Gí¨ÜÃæà¬Üá C¨Ü®Üá° Jí¨Üá ˨ÜáÂñ…PÝíñÜÊÝX ÖæàWæ
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13. a) ¸æÙÜQ®Ü ±ÜÅ£¶ÜÆ®Ü¨Ü GÃÜvÜá ¯¿áÊÜáWÜÙÜ®Üá° ¯ÃÜã²Ô.

b) ²à®Ü¨Ü±Üì| ÊÜáñÜᤠ¯ÊÜᰨܱÜì|WÜÙÜ ®ÜvÜáÊÜ| ¿ÞÊÜâ¨Ý¨ÜÃÜã GÃÜvÜá
ÊÜÂñÝÂÓÜWÜÙÜ®Üá° £ÚÔ.

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»ÝWÜ & B
ÃÜÓÝ¿á®Ü ËþÝ®Ü
VI. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ A¥ÜÊÝ A±Üä|ì ÖæàÚPæWÜÚWæ ®ÝÆáR ±Ü¿Þì¿á EñܤÃÜWÜÙÜ®Üá°
¯àvÜÇÝX¨æ. AÊÜâWÜÙÜÈÉ ÓÜãPܤÊÝ¨Ü Jí¨Üá EñܤÃÜÊÜ®Üá° BÄÔ, A¨ÜÃÜ PÜÅÊÜÞûÜÃܨæãvÜ®æ
±Üä|ì EñܤÃÜÊÜ®Üá° ŸÃæÀáÄ 3×1=3

14. PݸÝìQÕÈP… BÊÜáÉ ÊÜáñÜᤠBÇæãRàÖÝÇ…WÜÙÜ ¬ÜvÜáË¬Ü ÊÜñÜì¬æÀáí¨Ü EípÝWÜáÊÜ
ÓÝÊÜ¿áÊÜ ÓÜí¿ááPܤWÜÙæí¨ÜÃæ,

(A) BÈxÖæçv…WÜÙÜá

(B) QàpæãଅWÜÙÜá

(C) GÓÜrÃ…WÜÙÜá

(D) ÖæçvæãÅàPݟ쬅WÜÙÜá

15. ¶æÃÜÓ… ÓÜÇæ#àp… ÖÜÃÜÙÜáWÜÙܬÜá® PÝÔ¨ÝWÜ ÖÜÔÃÜá Ÿ|¡ÊܬÜá® PÜÙæ¨ÜáPæãÙÜáÛñܤ Êæ,
HPæí¨ÜÃæ D ÓÜí¿ááPܤÊÜâ

(A) ÓÜÃÜÙÜ Eñܳ®Ü°WÜÙÝX Ë»Üg®æ Öæãí¨ÜáÊÜâ¨Üá

(B) ¯àÄ®Ü A|áWÜÙÜ®Üá° PÜÙæ¨ÜáPæãÙÜáÛÊÜâ¨Üá

(C) ÓÜÆ#Ã… væçBPæÕ„v… A¯ÆÊÜ®Üá° ¹vÜáWÜvæ ÊÜÞvÜáÊÜâ¨Üá

(D) PÜí¨Üá Ÿ|¡¨Ü «ÜãÊÜáÊܬÜá® Eñܱ£¤ ÊÜÞvÜáÊÜâ¨Üá

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16. ÊæáívÜÈàÊ…ÃÜÊÜÃÜ BÊÜñÜìPÜ PæãàÐÜrPÜ¨Ü Jí¨Üá Ëá£Ááí¨ÜÃæ, D ÊÜXàìPÜÃÜ|ÊÜâ

(A) PæàÊÜÆ PÝÂÈÕ¿áíÊÜÃæWæ ÊÜÞñÜÅ A®ÜÌÀáÓÜáñܤ¨æ

(B) ÖÜWÜáÃÜÊÝ¨Ü «ÝñÜáWÜÚWæ ÊÜÞñÜÅ ÓÜÄÖæãí¨Üáñܤ¨æ

(C) gvÜ A¯ÆWÜÚWæ ¯©ìÐÜr Óݧ®Ü J¨ÜXÓÜÈÆÉ

(D) ÖæçvæãÅàg¬…Wæ Ô§ÃÜÊÝ¨Ü Óݧ¬ÜÊܬÜá® ­ÁãàiÓÜÆá ÓÝ«ÜÂÊÝWÜÈÆÉ

VII. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 3×1=3

17. ÊÝÑíW… ÓæãàvÝ¨Ü ¿ÞÊÜâ¨Ý¨ÜÃÜã GÃÜvÜá E¯ÜÁãàWÜWÜÙܬÜá® ŸÃæÀáÄ.

18. B«Üá¯PÜ BÊÜñÜìPÜ PæãàÐÜrPܨÜÈÉ BÊÜñÜì WÜÙÜá ÊÜáñÜᤠWÜáí±Üâ WÜÙÜá Gí¨ÜÃæà®Üá

19. PæÙÜX¬Ü PæãàÐÜrPܨÜÈÉ ­àvÜÇÝXÃÜáÊÜ ¬ÝÆáR «ÝñÜáWÜÙÜ CÇæPÝó¬… Ë¬ÝÂÓÜWÜÙܬÜá®
WÜÊÜá¯Ô ÊÜáñÜᤠPæÙÜWæ PæãqrÃÜáÊÜ ±ÜÅÍæ°Wæ EñܤÄÔ

«ÝñÜáWÜÙÜá CÇæPÝó®… Ë®ÝÂÓÜ

e 2, 8, 2

f 2, 7

g 2, 8, 8, 1

h 2, 8, 7

D «ÝñÜáWÜÙÜ®Üá° AÊÜâWÜÙÜ ±ÜÃÜÊÜÞ|á £ÅgÂWÜÙÜ ±ÜÃÜÊÜÞ|á WÝñÜÅ CÚPæ PÜÅÊÜá¨ÜÈÉ
hæãàwÔ.

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VIII. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 3×2=6

20. ÓÝÃÜÄPܤ ÓÜÆã#éÄP… BÊÜáɨæãí©Wæ ÓÜñÜáË¬Ü aÜãÃÜáWÜÙÜ ÊÜñÜì¬æ ÊÜáñÜá¤
EÄÓÜáËPæ¿á ÊÜáãÆPÜ ÖæçvæãÅàg¬… A­Æ¨Ü ¯ÜÄàûæ ÊÜÞvÜáÊÜ E¯ÜPÜÃÜ|WÜÙÜ
hæãàvÜOæ¿á bñÜÅ ŸÃæÀáÄ.

21. HPÜPÝÆ¨ÜÈÉ Pæí¯Üâ ÊÜáñÜᤠ­àÈ Èo¾Ó… PÝWܨÜWÜÙܬÜá® ¸æù¬… ¨ÝÅÊÜ| ÊÜáñÜᤠB
¨ÝÅÊÜ|ÊÜ®Üᰠ˨Üá©̻Üg®æWæ JÙܱÜwÔ ±Üvæ¨Ü gÈà¿á Eñܳ®Ü°¨ÜÈÉ A¨ÜªÇÝX¨æ.
Èo¾Ó… PÝWܨÜWÜÙÜÈÉ ­àÊÜâ WÜÊÜá­ÓÜáÊÜ Ÿ¨ÜÇÝÊÜOæWÜÙæà¬Üá ¯ÊÜá¾ EñܤÃÜÊÜ®Üá°
PÝÃÜ|WÜÙæãí©Wæ ±ÜâÑràPÜÄÔ.

A¥ÜÊÝ

PæãqrÃÜáÊÜ PæãàÐÜrPܨÜÈÉ ¯àvÜÇÝXÃÜáÊÜ ®ÝÆáR ¨ÝÅÊÜ|WÜÙÜ pH ÊÜåèÆÂWÜÙÜ®Üá°
WÜÊÜá¯Ô ÊÜáñÜᤠPæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ

¨ÝÅÊÜ|WÜÙÜá P Q R S

pH ÊÜåèÆÂ 10·0 13·7 7·0 1·2

i) BÊÜáÉ ÍÝÊÜáPÜ¨Ü ñÜ¿ÞÄPæWæ ¿ÞÊÜ ¨ÝÅÊÜ|ÊÜ®Üá° ŸÙÜÓÜŸÖÜá¨Üá HPæ

ii) ¿ÞÊÜ GÃÜvÜá ¨ÝÅÊÜ|WÜÙܬÜá® ŸÙÜÔ ñÜoÓܧ ÆÊÜ|ÊܬÜá® ¯Üvæ¿áŸÖÜá¨Üá
HPæ

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22. ñÝÊÜáÅ¨Ü Ë¨Üá©̻Üg­à¿á ÍÜᩜàPÜÃÜ|ÊܬÜá® ñæãàÄÓÜáÊÜ E¯ÜPÜÃÜ|WÜÙÜ

hæãàvÜOæ¿á bñÜÅÊܬÜá® ŸÃæ¨Üá, BËáÉàPÜÄst ñÝÊÜáÅ¨Ü ÓÜÇæ#àp… ¨ÝÅÊÜ|ÊÜ®Üá°

WÜáÃÜá£Ô.

IX. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 3×3=9

23. a) PæÙÜX®Ü ÃÝÓÝ¿á¯PÜ QÅÁá¿áÈÉ EñÜRÐÜì| ÊÜáñÜᤠA±ÜPÜÐÜì|WæãíwÃÜáÊÜ

ÊÜÓÜá¤WÜÙÜ®Üá° WÜáÃÜá£Ô

ZnO + C → Zn + CO

b) PÜÊÜáoáËPæ Gí¨ÜÃæà®Üá C¨Ü®Üá° ñÜvæWÜoárÊÜ ¿ÞÊÜâ¨Ý¨ÜÃÜã GÃÜvÜá

˫ݮÜWÜÙÜ®Üá° £ÚÔ.

24. A¯Ü¿Þì¯Ü¤ Pݟ쬅 ÓÜí¿ááPܤÊܬÜá® ¯Ü¿Þì¯Ü¤ Pݟ쬅 ÓÜí¿ááPܤÊܬݮX

±ÜÄÊÜ£ìÓÜáÊÜ ÃÝÓÝ¿á¯PÜ QÅÁá¿á®Üá° PæÙÜWæ ¯àwÃÜáÊÜ A±Üä|ì ÓÜËáàPÜÃÜ|ÊÜâ

¯ÜÅ£­˜ÓÜáñܤ¨æ

i) ÓÜËáàPÜÃÜ| ±Üä£ìWæãÚÔ.

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ii) A¯Æ x ÊÜáñÜᤠy ÊÜÓÜá¤ÊÜ®Üá° ÖæÓÜÄÔ.

iii) D QÅÁá¿á Aí£ÊÜá Eñܱ¬Ü®ÊÜâ ÓÜã¿áì¬Ü ¸æÙÜQ¬ÜÈÉ PæãÉàĬ…¬æãí©Wæ
ÊÜ£ìÔ¨ÝWÜ H®ÝWÜáñܤ¨æ

25. a) Pݟ쬅 ¯ÜÃÜÊÜÞ|áÊÜâ C 4  A¥ÜÊÝ C 4  A¿Þ®ÜáWÜÙÜ®Üá° Eíoá
ÊÜÞvÜÆá ÓÝ«ÜÂËÆÉ. HPæ

b) Ëáà¥æà¬…¬Ü CÇæPÝó¬… aÜáQR ÃÜaܬæ¿á¬Üá® ŸÃæÀáÄ.

A¥ÜÊÝ

a) ÓÝŸã¬Üá ÓÜÌaÜfWæãÚÓÜáÊÜ QÅÁá¿áÈÉ ËáÓæÇ…WÜÙÜá ÖæàWæ EípÝWÜáñÜ¤Êæ

b) ¯àÄ®Ü WÜvÜÓÜáñÜ®ÜPæR PÝÃÜ|ÊÝ¨Ü ÆÊÜ|WÜÙÜá ¿ÞÊÜâÊÜâ ÊÜÞgìPÜWÜÙÜá
WÜvÜÓÜá ¯àÄ®ÜÈÉ¿áã ±ÜÄOÝÊÜáPÝÄ HPæ

X. PæÙÜX®Ü ±ÜÅÍæ°Wæ EñܤÄÔ 1×4=4

26. a) ¸æÚÛ ÊÜáñÜᤠñÝÊÜáÅ¨Ü ÊÜÓÜá¤WÜÙÜá AÊÜâWÜÙÜ ÊæáàÇæ¾„ ÖæãÙܯܬÜá® ÖæàWæ
PÜÙæ¨ÜáPæãÙÜáÛñÜ¤Êæ WÝÂÆÌ¯àPÜÃÜ|ÊÜâ Pܹº|¨Ü ÊÜÓÜá¤WÜÙÜ®Üá° ÖæàWæ
ÓÜíÃÜüÓÜáñܤ¨æ

b) AÆáÂËá­¿áí BPæÕ„v… E»Ü¿áÊÜ£ì BPæÕ„v… BX¨æ. HPæ

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»ÝWÜ & C
( iàÊÜ ËþÝ®Ü )
XI. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ A¥ÜÊÝ A±Üä|ì ÖæàÚPæWÜÚWæ ®ÝÆáR ±Ü¿Þì¿á EñܤÃÜWÜÙÜ®Üá°
¯àvÜÇÝX¨æ. AÊÜâWÜÙÜÈÉ ÓÜãPܤÊÝ¨Ü Jí¨Üá EñܤÃÜÊÜ®Üá° BÄÔ, A¨ÜÃÜ PÜÅÊÜÞûÜÃܨæãvÜ®æ
±Üä|ì EñܤÃÜÊÜ®Üá° ŸÃæÀáÄ 2×1=2

27. PæÙÜX®ÜÊÜâWÜÙÜÈÉ ±ÜÃÝÊÜñÜì®æ QÅÁáWæ Jí¨Üá ¯¨ÜÍÜì®Ü,

(A) PÜábì¿á®Üá° gÃÜáXÓÜáÊÜâ¨Üá

(B) ÃÜáb¿á®Üá° A®Üá»ÜËÓÜáÊÜâ¨Üá

(C) PÝ¨Ü ñÜÊÜÊÜ®Üá° £Ú¿á¨æà ÊÜááqr¨ÝWÜ Pæç¿á®Üá° ×í¨ÜPæR GÙæ¨ÜáPæãÙÜáÛÊÜâ¨Üá

(D) PÝ¿áìPÜÅÊÜá¨Ü Pæã®æ¿áÈÉ aÜ±Ý³Ùæ ñÜoárÊÜâ¨Üá

28. ¨ÜáívÜ®æ¿á ¹àgWÜÙÜáÙÜÛ ŸpÝ~ ÓÜÓÜÂWÜÙܬÜá® ( RR ), ÓÜáPÝR¨Ü ¹àgWÜÙÜáÙÜÛ ŸpÝ~
ÓÜÓܨæãí©Wæ ( rr ) ÓÜíPÜÃÜ|WæãÚÓÜÇÝX¨æ. F 2 ñÜÚ²àÚWæ¿áÈÉ RR ñÜÚWÜá|ÊÜ®Üá°

Öæãí©ÃÜáÊÜ ÓÜÓÜÂWÜÙÜ ÍæàPÜvÝ ±ÜÅÊÜÞ|

(A) 25% (B) 50%

(C) 30% (D) 75%

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XII. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 3×1=3

29. KÃækãଅ Jí¨Üá ÊÜÞÃÜOÝí£PÜ ËÐÜÊÝX¨ÜªÃÜã »ÜãËá¿á ÊæáàÈ¬Ü iàËWÜÚWæ
C¨Üá AWÜñÜÂÊÝX¨æ. D ÖæàÚPæ¿á®Üá° ÓÜÊÜá¦ìÔ.

30. Óܤ¯WÜÙÜÈÉ ÃÜPܤ±ÜÄaÜÆ®æ¿á ÃæàTÝñܾPÜ ¯ÃÜã±ÜOæ¿á®Üá° PæÙÜWæ ¯àw¨æ

i) ÃÜPܤ®ÝÙÜ x ÊÜáñÜᤠy WÜÙÜ®Üá° ÖæÓÜÄÔ.

ii) ¿ÞÊÜ ÃÜPܤ®ÝÙÜ PÜÊÝoÊÜ®Üá° Öæãí©ÃÜáñܤ¨æ

31. ±ÜÄÓÜÃÜ ÊÜÂÊÜÓæ§¿áÈÉ BÖÝÃÜ ÓÜÃܱÜÚ¿á E®Ü°ñÜ ÓܤÃÜPæR ñÜÆá²¨Üíñæ iàËWÜÙÜ ÓÜíTæÂ
PÜwÊæá¿ÞWÜáñܤ¨æ. HPæ

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XIII. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 2×2=4

32. ÍÜÇÝPÝWÜÅ¨Ü ÊæáàÇæ ±ÜÃÝWÜ¨Ü ÊæãÙæ¿ááËPæ¿á®Üá° ñæãàÄÓÜáÊÜ bñÜÅÊܬÜá® ŸÃæÀáÄ
ÊÜáñÜᤠ±ÜÃÝWÜ ®ÜÚPæ ¿á®Üá° WÜáÃÜá£Ô.

33. ÊÜÞ¬ÜÊÜ¬Ü ËÓÜgì¬ÝíWÜ ÊÜäÂÖÜÊܬÜá® ñæãàÄÓÜáÊÜ bñÜÅÊܬÜá® ŸÃæÀáÄ ÊÜáñÜá¤
ÊÜáãñÜÅPæãàÍÜ ÊÜ®Üá° WÜáÃÜá£Ô.

XIV. PæÙÜX®Ü ±ÜÅÍæ°WÜÚWæ EñܤÄÔ 3×3=9

34. a) ®æÆÊÜáor©í¨Ü ÊæáàÇæ ¯àÃÜ®Üá° ÓÜíWÜÅ×ÓÜáÊÜâ¨ÜQRíñÜÆã ®æÆ¨æãÙÜX®Ü ¯àÃÜ®Üá°
ÊÜáÃÜá±ÜäÃÜ|WæãÚÓÜáÊÜ PÜÅÊÜáWÜÙÜá EñܤÊÜá. ÖæàWæ ËÊÜÄÔ.

b) ÊÜáÃÜáaÜQÅàPÜÃÜ|QRíñÜ ÊÜáÃÜáŸÙÜPæ EñܤÊÜá. HPæ

35. a) ÊÜÞ®ÜÊÜ®Ü ÓÜíñÝ®æãàñܳ£¤¿áÈÉ »ÜãÅ|Êæäí¨Üá ÊÜáWÜáÊÝX ¸æÙæ¿áÆá
gÃÝ¿ááÊÜâ ÊÜáÖÜñÜÌ¨Ü ±ÝñÜÅÊÜ®Üá° ¯ÊÜì×ÓÜáñܤ¨æ. D ÖæàÚPæ¿á®Üá°
ÓÜÊÜá¦ìÔ.

b) w.G¬….G. ÓÜ̯ÜÅ£àPÜÃÜ|ÊÜâ AñÜÂíñÜ PæÙÜÊÜáor¨Ü iàËWÜÙÜÈÉ Jí¨Üá
ÓÜíñݬæãàñܱ£¤ ÊÜÞWÜì Gí¨Üá ÖæàWæ ­|ìÀáÓÜŸÖÜá¨Üá

36. ±ÝÅ~WÜÙÜ EÔÃÝo QÅÁá¿áÈÉ PæãàÍܨÜÅÊܨÜÈÉ ®Üvæ¿ááÊÜ Êæã¨ÜÆ®æà ÖÜíñÜ ¨ÜÈÉ
EípÝWÜáÊÜ Eñܳ®Ü° ¿ÞÊÜâ¨Üá ÊÝ¿ááËPÜ ÊÜáñÜᤠAÊÝ¿ááËPÜ EÔÃÝoWÜÙÜ
®ÜvÜáÊÜ| ¿ÞÊÜâ¨Ý¨ÜÃÜã GÃÜvÜá ÊÜÂñÝÂÓÜWÜÙÜ®Üá° ŸÃæÀáÄ.

A¥ÜÊÝ

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a) ÓÜÓÜÂWÜÙÜ ÖÜÙæ¿á PæÕ„ÆíWÜÙÜÈÉ ñÝÂg ¯Ü¨Ý¥ÜìWÜÙÜá ¿ÞÊÜ ÃÜã¯Ü¨ÜÈÉ
ÓÜíWÜÅÖÜÊÝWÜáñÜ¤Êæ
b) ¨Üá£ÓÜíÍæÉàÐÜOæ¿á Eñܳ®Ü°WÜÙÜá ÓÜÓÜ嬆 GÇÝÉ »ÝWÜWÜÚWæ ÖæàWæ
ÓÝXÓÜÆ³vÜáñÜ¤Êæ

XV. PæÙÜX®Ü ±ÜÅÍæ°Wæ EñܤÄÔ 1×4=4

37. a) ÊÜÞ®ÜÊÜ®Ü Ëá¨ÜáÚ®Ü ¿ÞÊÜ »ÝWÜWÜÙÜá PæÙÜX®Ü aÜoáÊÜqPæWÜÙÜ®Üá°
¯¿áí£ÅÓÜáñܤ¨æ
i) A®æçbfPÜ aÜoáÊÜqPæWÜÙÜá
ii) BÇæãàaÜ®æ ±ÜÅQÅÁá
iii) ¨æàÖÜ¨Ü »ÜíX ÊÜáñÜᤠÓÜÊÜáñæãàÆ®Ü
b) ÓÜÓÜ ÖÝÊæãàì®ÜáWÜÙÜá Gí¨ÜÃæà®Üá ¸æÙÜÊÜ~Wæ Eñæ¤àiÓÜáÊÜ ÊÜáãÃÜá ÓÜÓÜÂ
ÖÝÊæãàì®ÜáWÜÙÜ®Üá° ÖæÓÜÄÔ.
A¥ÜÊÝ

a) ÊÜÞ®ÜÊÜÃÜÈÉ PæÙÜX®Ü aÜoáÊÜqPæWÜÙÜ®Üá° ¯¿áí£ÅÓÜáÊÜ ÖÝÊæãàì®ÜáWÜÙÜ®Üá°
ÖæÓÜÄÔ.
i) ÃÜPܤ¨ÜÈÉ ÓÜPÜRÃæ¿á ÊÜáorÊÜ®Üá° ¯¿áí£ÅÓÜáÊÜâ¨Üá
ii) MáñÜá aÜPÜÅÊÜ®Üá° ¯¿áí£ÅÓÜáÊÜâ¨Üá
iii) ¯ÜÄÔ§£¿á¬Üá® G¨ÜáÄÓÜÆá ¨æàÖÜÊܬÜᮠԨܜWæãÚÓÜáÊÜâ¨Üá
iv) aܿޱÜaÜ¿á QÅÁá¿á®Üá° ¯¿áí£ÅÓÜáÊÜâ¨Üá
b) ÓÜÓÜÂWÜÙÜÈÉ EípÝWÜáÊÜ ¿ÞÊÜâ¨Ý¨ÜÃÜã GÃÜvÜá A®ÜáÊÜñÜì®æWÜÙÜ®Üá° ÖæÓÜÄÔ.
±ÜÅ£Áãí¨ÜPÜãR Jí¨Üá E¨ÝÖÜÃÜOæ Pæãw.

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CCE RF/PF/RR/PR/NSR/NSPR(A)/666/017 83-K
XVI. PæÙÜX®Ü ±ÜÅÍæ°Wæ EñܤÄÔ 1×5=5

38. a) ÊÜÞ¬ÜÊÜ¬Ü PæçWÜÙÜá ÊÜáñÜᤠ¯Üü¿á ÃæPæRWÜÙÜá iàÊÜËPÝÔà¿á ÓÜíŸí«ÜWÜÙܬÜá®
±Üñæ¤ ÊÜÞvÜÆá ®æÃÜÊÝWÜáñÜ¤Êæ. ÖæàWæ ±ÜÙæ¿ááÚPæWÜÙÜ PÝÆÊÜ®Üá°
¯|ìÀáÓÜáÊÜ Ë«Ý®ÜWÜÙÜ®Üá° ËÊÜÄÔ.

b) AÇæçíXPÜ AíWÝíÍÜWÜÙÜÇÝÉWÜáÊÜ Ÿ¨ÜÇÝÊÜOæWÜÙÜá B®ÜáÊÜíÎà¿áÊÝWÜáÊÜâ©ÆÉ.
HPæ

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30. 03. 2024 16 of 16

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Document Details

Board / OrgKarnataka Board
ExamClass 10
TypeQuestion Paper
Pages34
Updated15 Jul 2026