Instructions:

1) This paper consists of Part A and Part-B.

2) Part-A contains questions from Physical Science and

Part-B contains Biological Science.

3) Part-A & Part-B contains 4 sections only.

4) There are 33 questions in the paper.

5) There is internal choice in Section-IV of Part-A and

Part-B.

6) Write all the questions visibly and legibly.

7) 15 minutes are given for reading the question paper.

PART - A

SECTION – I

Note: i) Answer all the questions.

ii) Each question carries 1 mark. (6 ´ 1 = 6)

1. Statement P: The specific heat of A is 0.031

cal/g.°C and B is 0.092 cal/g.°C. Substance A

absorbs the heat rapidly.

Statement Q: The Substance with low specific

heat value heats up slowly.

A) P and Q are correct

B) P is correct, Q is incorrect

C) P is incorrect, Q is correct

D) P and Q are incorrect

2. Write the chemical formula of Hydrochloric Acid?

3. Choose the suitable answers group A with group B

Group - A Group - B

I) Bi concave lense ( ) A) Only real image

II) Bi convex lense ( ) B) Only Virtual image

C) Both real and virtual

4. If a convex lens is made up of two dif-

ferent materials as shown in the figure.

How many images does it form?

5. Write any one application of thermite process in

our daily life?

6. An organic compound with molecular formula

C2H4O2 produces the gas an addition of sodium

hydrogen carbonate. Name the gas produced?

SECTION - II

Note: i) Answer all the questions.

ii) Each question carries 2 Marks. (4 ´ 2 = 8)

7. What is common observation made by you

example while conducting the experiment with zinc

and both HCl and NaOH separately? How can you

find it?

8. Draw the diagram of Bi convex lens and plano -

concave lens.

9. Ramu says that magnetic field lines are open.

What questions do you ask Ramu to correct him by

saying magnetic field lines are closed?

10. Sodium, Potassium, Magnesium are present at

the top of the activity series. Which method is

suitable for the extraction of such metals from its

ores. Why?

SECTION - III

Note: i) Answer all the questions.

ii) Each question carries 4 marks. (4 ´ 4 = 16)

1) In which case A and B are in thermal equilibrium.

2) In which case does heat travel from B to A.

12. Most of the times the sky appears blue. How do

you appreciate the role of molecules in the

atmosphere for the blue colour of the sky?

13. Observe the following table and answer the

following questions.

Element Electronic Configuration

P 1s2 2s2

Q 1s2 2s2 2p6 3s2 3p5

R 1s2 2s2 2p6

S 1s2 2s2 2p4

1) Which elements belongs to halogen family?

2) Which is Noble gas element?

3) Which of these elements belongs to same period?

4) Predict the formula of a compound, when P

element reacts with `Q’ element.

14. Write the IUPAC names for the following

compounds.

i) CH3 − CH − CH − CH3 ii) CH3 − CH = CH − CH3

OH CH3

SECTION - IV

Note: i) Answer all the questions.

ii) Each question has internal choice.

iii) Each question carries 8 marks. (2 ´ 8 = 16)

15. To describe the electronic configuration of atoms

we require principles. Explain the two principles

with examples.

(OR)

Explain the formation of Sodium Chloride and

Magnesium oxide on the basis of the concept of

electron transfer method from one atom to

another atom?

16. How can you verify experimentally that sini/sinr is

constant?

(OR)

State ohm’s law? Verify the VI

is constant for a

conductor with experiment.

PART - B

SECTION – I

Note: i) Answer all Questions.

ii) Each Question carries one (1) Mark. (6 ´ 1 = 6)

17. Read the sentence below, find the error and

rewrite the correct sentence.

Tricuspid valve is also known as Mitral valve.

18. Observe the flow chart and identify ‘A’

19. I’m the structural and functional unit of lungs. Who

am I?

20. Identify the mismatch one.

Amoeba - Flame cells

Annelids - Nephridia

Arthropods - Malphighian Tubules

21. Krishna said ‘small burner helps in saving 6.5%

fuel than big burner’.

But Rama said ‘both the burners consume same

quantity of gas’.

Who is correct?

SECTION – II

Note: i) Answer all Questions.

ii) Each Question carries two 2 Marks. (4 ´ 2 = 8)

23. What happens if liver does not secrete bile?

25. What measures shall we follow to prevent Global

warming?

26. Suggest any two practices suitable to farmer with

less water resources.

SECTION – III

Note: i) Answer all Questions.

ii) Each Question carries four (4) Marks.

(4 ´ 4 = 16)

27. Why is it necessary to destarch a plant before

performing any experiment of photosynthesis?

28. ‘A’ is the largest artery, which starts from heart. It

supplies blood to all parts of the body. ‘B’ is the

smallest artery, which carries blood from heart to

lungs.

Now answer the following

a) Write the names of ‘A’ & ‘B’.

b) Which type of blood flows in ‘A’ & ‘B’?

29. What are the reasons for the producing of more

number of sperms and ova at every time in fish

and frog?

30. Should we use pesticides as they prevent our

crop and food from pests or should we think of

alternatives?

Write your view in this issue with sound reason for

your answer.

PUBLIC EXAMINATIONS - 2020

Time: 3 Hrs. 15 Min. GENERAL SCIENCE PAPER - I & II Max. Marks: 100

TENTH CLASS MODEL PAPER

SECTION – IV

Note: i) Answer all Questions.

ii) Answer nay one from internal choice of each question.

iii) Each Question carries eight 8 Marks. (3 ´ 8 = 24)

31. How can you prove that oxygen is liberated during photosynthesis?

(OR)

Radha said that Male is responsible for sex determination of a baby. Do you

agree with her statement?

If so support your answer with a flow chart.

32. Explain the experiment conducted by your teacher in your class to show the

action of saliva on starch.

(OR)

Read the following table and answer the questions given below.

1) Which hormone is responsible for growth of bone?

2) What happens if testosterone is not secreted?

3) Where is the gland that secretes Thyroxine located?

4) Write the importance of glands and hormones.

33. Draw the diagram of the structural and functional unit of kidney and explain its

structure.

(OR)

Observe the given picture carefully. And answer the questions given below.

1) Which side of the heart

de-oxygenated blood located?

2) Through which artery de-oxy-

genated blood reaches lungs?

3) From which chamber of heart

aorta starts?

4) Which structures of heart

controls blood flow in heart?

- D.V. Subbanaidu, M.S.N. Murthy

øŒEî¦ô¢Ù 30  2020 n email: help@eenadupratibha.net

15

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Mitosis Prophase A

Anaphase Telophase

→ →

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22. What is ‘X’ in the given

picture indicate

Case 1 2 3 4

A 30°C 50°C 273 K 10°C

B 30°K 50°K 0°C 300 K

11.

24. What is this in the given

picture? Who discovered

it? What is its shape?

S.No

1.

2.

3.

4.

Name of

the gland

Pituitary

Thyroid

Ovary

Testis

Location

Fore Brain

Neck

Lower

abdomen

Scrotal

Sac

Hormone

secreted

Somatotropin

Gonadotropin

Thyroxine

Oestrogen

Testosterone

Response of the

body to hormone

Growth of bone

Activity of ovary

and testis

General growth

rate and meta-

bolic activity

Growth of uterus

and skeleton of

the pelvis

Growth of male

secondary sexu-

al characters.

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7. ÍÙêŸô¢ û¶vêŸ ÖAh-è…E ú‡–ô¢ÙÞ¥ ÑÙ# û¶vêŸ ÞÁüŒÙÎÚ¥ô¦Eo Ú¥ð§-è˶C?1) û¶vêÁë]Ù 2) êŸô¢pÚÛÙ 3) û¶vêŸ û¦è† 4) ê¦ô¢ÚÛ

8. ÚÛô¢g-òÅ˶J êŸyà¦Eo Î÷-JÙ# ÑÙè˶ ÚÛé-â°õÙ?1) Ñí£-ÚÛü° ÚÛé-â°õÙ 2) ú£ô¢üŒ Ñí£-ÚÛü° ÚÛé-â°õÙ 3) ú£Ùóµ«-áÚÛ ÚÛé-â°öÙ 4) ÔD-Ú¥ë]ª

9. þ§\ö° î�µú‡d-ñªuL, þ§\ö° Oªè…-óŸ«ìª î�¶ô¢ª-ඛúêŸyàŸÙ1) ò˶ú‡-ö°xô êŸyàŸÙ 2) ·ôú‡-ìôÂq êŸyàŸÙ 3) Íô¢ÌÄ ð§ô¢-ë]-ô¢)ÚÛ NòÅ°-áÚÛÙ 4) øË™xù£t-ú£hô¢Ù

10.- þ§\ö° Oªè…óŸ« Ô vë]÷ÙêÁ EÙè… ÑÙåªÙC?

1) í£J-õ-ú‡Ú¥ vë]÷Ù 2) ÍÙêŸô¢õú‡Ú¥ vë]÷Ù 3) 1, 2 4) ÔD-Ú¥ë]ª

11. vøŒ÷é vޥ-Ú¥-õªÞ¥ í£E-ඛú ôÁ÷ª ÚÛé°õª Ôvð§ÙêŸÙö˺ ÑÙæ°ô³?

1) ÚÁJd ÍÙޜ٠2) î�µú‡d-ñªu-ö°ô í£J-ÚÛô¢Ù 3) Îæ˺-Lê ÍÙޜ٠4) ÷«ÚÛªuö°

12. Ú¨ÙC-î¦-æ¨ö˺ ÷ªA-÷ª-ô¢ªí£± î¦uCÅ ÔC? 1) EÙ-â˵j-æ¨úà 2) ð§J\-ûÂ-ú£ûÂq î¦uCÅ 3) šúJvò˺ î¦ú£ª\-¬u-ö°ô óŸ«Ú¨q-è˵ÙæÀ 4) ÎMb-÷ªôÂq î¦uCÅ

13. -ô¢ª# vޥ-Ú¥-õÚÛª ÷ªô•ÚÛ ›íô¢ª?1) vð»í‡óµ«Jšú-ð§dôÂq 2) Þœ›úd-åK Jšú-ð§dôÂq

3) CÇÞÁt Jšú-ð§dôÂq 4) ÔD-Ú¥ë]ª14. ù‡oè˶-J-óŸªû êŸyàŸÙ-ö˺E ÚÛé-â°õÙ?

1) Nªëǯu ú£hJêŸ Ñí£-ÚÛüŒ 2) øŒõ\õ Ñí£-ÚÛüŒ 3) íÆ£ªû¦-Ú¥ô¢ Ñí£-ÚÛüŒ 4) ú£Ùóµ«-áÚÛ ÚÛé-â°õÙ

15. àŸô¢tÙö˺ ú£pô¢)ìª ÞœªJhÙචòŰޜ٠ÔC? 1) ÔJ-óµ«-ö°ô ÚÛé-â°õÙ 2) ðƧú‡-E-óŸªúà vޥ-Ú¥õª 3) Oªšú-û¦ôÂq ÚÛõ-P-ÚÛõª 4) Ú•÷±y ÚÛé°õª

16. ÷«ì-÷±è… ÷³ÚÛª\-ö˺E û¦è[ªõª?1) ÔÚÛ-vëÅ]ª÷ 2) CyvëÅ]ª÷ 3) Nªëǯu-vëÅ]ª÷ 4) ÔD-Ú¥ë]ª

û¦è† EóŸªÙ-vêŸé n- ú£÷ª-ìyóŸªÙ

ú£-÷«-ëů-û¦õª1-2, 2-3, 3-4, 4-1, 5-2, 6-1, 7-2, 8-3, 9-2,

10-2, 11-1, 12-4, 13-2, 14-1, 15-3, 16-2.

ú£-÷«-ëů-û¦õª

1-3 2-4 3-3 4-1 5-1 6-1 7-2 8-2 9-1 10-4.

ú£-÷«-ëů-û¦õª1-1, 2-3, 3-4, 4-2, 5-3, 6-1, 7-4, 8-3, 9-1.

X

Instructions:

1. Read the following question paper and

understanding every question thoroughly

without writing anything 15 minutes time is

allowed for this.

2. Answer all the questions from the given four

sections.

3. Write answer to the objective type questions

(Section - IV) on Part - B and attached with

Part - A.

4. In Section - III, every question has internal

choice. Answer to any one alternative.

PART - A

Time: 2 Hrs. Marks: 35

SECTION - I

I. i) Answer all the questions.

ii) Each question carries 1 mark. (7 ´ 1 = 7)

2. In a circle of radius 7 cm, an arc subtends an

angle of 30°. Then find the area of the sector

by the arc.

3. Volume of a cube is 216 cm3, then find the

side.

4. Find the value of (1 + tan2θ) (1 − sin2θ).

5. If sin x = √3 cos x, then x = ?

6. Find the first 10 prime numbers median.

7. A letter is chosen at random from the word.

6Probability of vowel is , then find the

13

probability that the letter chosen is a

consonant.

SECTION - II

II. i) Answer all the question.

ii) Each question carries 2 marks.

(6 ´ 2 = 12)

8. Write the formula of median and explain

terms.

9. Two dice are thrown simultaneously, then find

how many total possibilities and find the

probability of getting a total 12.

10. Shailaja said that ratio of sphere and cube is

6 : π. If the radius of sphere is 7 cm and

side of the cube is 14 cm. Justify your

answer.

5 1 + sinθ12. If cotθ = then find = ?

12 1 − sinθ

13. The hypotenuse of a right angle is 1 m more

than the twice of the shortest side. If the third

side is 2 m less than the hypotenuse. Find

the sides of the triangle.

SECTION - III

III. i) Answer all the questions.

ii) Each question carries 4 marks.

iii) Each question has internal choice.

(4 ´ 4 = 16)

14. a) Construct a equilateral triangle whose

side is 4.5 cm. Then construct another 3

triangle whose sides are th the4

corresponding sides of first triangle.

(OR)

b) Draw a circle of radius 5.5 cm. From the

point of 12 cm away from its centre,

construct the pair of tangents to the

circle.

15. a) Measures of cuboid is 77 cm, 20 cm,

10 cm. Melt it and how many cylinders

made whose radius is 7 cm and height is

10 cm.

(OR)

b) Two persons standing on either sides

of a tower observes th top of the tower

at an angle of elevations of 45°, 60°respectively. If the distance between the

person is 110 m, then find the height of

the tower.

16. a) 10 cards numbered as 2, 5, 6, 6, 6, 6, 7,

7, 7, 8 are placed in a box and mixed

thoroughly. If one card is drawn at

random from the box, what is the

probability that the number on the card is

the mode of the numbers.

(OR)

b) Find the

Arithmetic

mean of the

following

frequency distribution table.

1 − 2 sin2θ17. a) Show that cotθ − tanθ = and

sinθ cosθalso verify with θ = 30°

(OR)

PART - B

Time: 30 minutes Marks: 5

Instructions: i) Answer all the questions.

ii) Write capital letter (A, B, C, D) showing

the correct answer for the following ques-

tions in brackets provided against them.

iii) Each question carries 12

mark. 10 × 12

= 5

18. Hypotenuse of a iscoceles right angle is how

many times of its side

A) √2 B) 2 C) √

3 D) 3

19. Number of tangents can be drawn to a circle

at a point on the circle

A) 2 B) 1 C) Infinity D) None

20. Lateral surface area of prism is

1A) × Area × height B) Area of base × height

3

C) Perimeter of base × height

1D) × Area of base × height

2

21. tanθ × tan (90 − θ) =

A) tanθ B) cotθ C) tan2θ D) 1

22. Which of the following is not shown

probability

3 5A) 0.005 B) 0.47 C) D)

5 3

23. Mean of the first 10 odd numbers is

A) 10 B) 9 C) 11 D) 12

24. Three coines are tossed at a time, then

number of possibilities

A) 6 B) 8 C) 4 D) 10

25. Area of a ∆ABC and ∆DEF is 36 cm2, 100

cm2, EF = 10 cm, then BC =

A) 10 cm B) 8 cm C) 6 cm D) 7 cm

26. Ratio of a complete surface area of a sphere

and hemisphere whose radius is equal

A) 3 : 4 B) 2 : 3 C) 1 : 2 D) 4 : 3

127. If secθ + tanθ = , then secθ − tanθ =

x1A) x B) x2 C) D) 1 − x

x2

Answers

18-A; 19-B; 20-C; 21-D; 22-D; 23-A; 24-B;

25-C; 26-D; 27-A.

ú£«-àŸ-ìõª:- 1z ví£øŒo-í£-vê¦Eo í£²JhÞ¥ àŸCN Íô¢–Ùà¶ú£ªÚÁ÷-è¯-EÚ¨ 15 ENª-ÿ§õª ¸Úæ°-ô³Ù-à¦L.-2z ÍEo ví£øŒo-õÚÛª ú£÷«-ëů-û¦õª ô¦óŸªÙè….-3z šú¤Ûû n- IIIö˺E ví£A ví£øŒoÚÛª ÍÙêŸ-ô¢_êŸ ÓÙí‡ÚÛ

ÑÙåªÙC.-4z šú¤Ûû n- IVö˺E õ¤¥u-êŸtÚÛ ví£øŒo-õÚÛª ú£÷«-ëů-û¦õª

vò°·Ú-æÀö˺ ô¦óŸªÙè….- ð§ôÂd - A

ú£-÷ªóŸªÙ:- 2 ÞœÙåõª ÷«ô¢ª\õª:- 35 šú¤Ûû - I

ú£«àŸ-ìõª:- i) ÍEo ví£øŒo-õÚÛª ú£÷«-ëů-û¦õª ô¦óŸªÙè….-ii) ví£A ví£øŒoÚÛª 1 ÷«ô¢ª\.- (7 ´ 1 = 7)

2. šúÚÛdô¢ª ÚÁéÙ 30°, ë¯E î¦uþ§ô¢ÌÄÙ 7 šúÙ.-Oª.- Íô³ê¶šúÚÛdô¢ª î�µjø‹-ö°uEo ÚÛìª-ÚÁ\Ùè….-

3. íÆ£ªìÙ óµ³ÚÛ\ íÆ£ªì-í£-J-÷«éÙ 216 šúÙ.-Oª.3 Í-ô³ê¶ë¯E òÅ¡ªáÙ ÓÙêŸ?

4. (1 + tan2θ) (1 − sin2θ) N-õª÷ ÓÙêŸ?5. sin x = √

3 cos x Í-ô³ê¶ x = ?

6. îµ³ë]æ¨ 10 ví£ëůì ú£ÙÜuõ ÷ªëÅ]u-ÞœêŸÙ ÚÛìª-ÚÁ\Ùè….-

7. ÖÚÛ í£ë]Ùö˺ ìªÙ# ÖÚÛ Í¤Û-ô¦Eo Óìªo-ÚÛªÙç˶ ÍC 6ÍàŸªa-Ú¥-÷-è¯-EÚ¨ ú£ÙòÅ°-÷uêŸ .- Íô³ê¶ üŒ‰x

13

Ú¥÷-è¯-EÚ¨ ú£ÙòÅ°-÷uêŸ ÓÙêŸ?šú¤Ûû - II

ú£«àŸ-ìõª:- i) ÍEo ví£øŒo-õÚÛª ú£÷«-ëů-û¦õª ô¦óŸªÙè….- ii) ví£A ví£øŒoÚÛª 2 ÷«ô¢ª\õª.- (6 ´ 2 = 12)

8. ÷ªëÅ]u-ÞœêŸÙ ú£«vêŸÙ ô¦ú‡ ÍÙë]ª-ö˺E í£ë¯-õìªN÷JÙàŸÙè….-

9. ·ôÙè[ª ð§#-ÚÛ-õìª Ö¸Ú-þ§J ë•JxÙ-#-ì-í£±pè[ª Ôô¢pè˶êŸhÙ Í÷-Ú¥-ø‹õ ú£ÙÜu ÓÙêŸ? Î ·ôÙè…Ù-樚íj ÞœõàŸªÚÛ\õ îµ³êŸhÙ 12 Íó¶ªu ú£ÙòÅ°-÷uêŸ ÓÙêŸ?

10. ÞÁüŒÙ î¦uþ§ô¢ÌÄÙ 7 šúÙ.-Oª.-, íÆ£ªìÙ óµ³ÚÛ\ òÅ¡ªáÙ14 šúÙ.-Oª.- Íô³ê¶ î¦æ¨ íÆ£ªì-í£-J-÷«-é°õ Eù£pAh6 : π ÍE ø˘jõá ÍìoC.- Oª ú£÷«-ëů-û¦Eoú£÷ªJ–ÙàŸÙè….-

5 1 + sinθ12. cotθ = Í-ô³ê¶ N-õª÷

12 1 − sinθ

ÚÛìª-ÚÁ\Ùè….-

13. ÖÚÛ õÙñ-ÚÁé vAòÅ¡ª-áÙö˺ ÚÛô¢gÙ ë¯E #ìo òÅ¡ªáÙ·ôæ¨dÙí£± ÚÛÙç˶ 1 Oª.- ÓÚÛª\÷, ÷´èÁ òÅ¡ªáÙ ÚÛô¢gÙÚÛÙç˶ 2 Oª.- êŸÚÛª\÷.- Íô³ê¶ vAòÅ¡ªá òÅ¡ªâ°-õìªÚÛìª-ÚÁ\Ùè….-

šú¤ÛûÂ - III

ú£«-àŸ-ìõª:- i) ÍEo ví£øŒoõª ú£÷«-ëů-û¦õª ô¦óŸªÙè….- ii) ví£A ví£øŒoÚÛª ÍÙêŸ-ô¢_êŸ ÓÙí‡ÚÛ ÑÙåªÙC.-iii) ví£A ví£øŒoÚÛª 4 ÷«ô¢ª\õª.- (4 ´ 4 = 16)

14.- a) 4.5 šúÙ.-Oª.- òÅ¡ªáÙ Þœõ ÖÚÛ ú£÷ª-ò°ï£‚vAòÅ¡ªáÙ óµ³ÚÛ\ òÅ¡ªâ°õ Ú•õ-êŸö˺x 3

4 ÷ ÷Ù꟪

Ú•õ-êŸõª Þœõ ú£ô¢«í£ vAòÅ¡ª-â°Eo EJtÙ-àŸÙè….- sö˶ë¯z

b) 5.5 šúÙ.-Oª.- î¦uþ§ô¢ÌÄÙ Þœõ ÷”êŸh ¸ÚÙvë]Ù ìªÙ#12 šúÙ.-Oª.- ë]«-ô¢Ùö˺ Ñìo ò°ï£°u GÙë]ª÷±ìªÙ# ú£pô¢)-¸ô-Üìª EJtÙ-àŸÙè….-

15. a) D-ô¢+-íÆ£ªìÙ Ú•õ-êŸõª ÷ô¢ª-ú£Þ¥ 77 šúÙ.-Oª.-, 20

šúÙ.-Oª.-, 10 šúÙ.-Oª.- DEo ÚÛJ-TÙ# 7 šúÙ.-Oª.-î¦uþ§ô¢ÌÄÙ, 10 šúÙ.-Oª.- Ó꟪h Þœõ ú£«hð§õª ÓEoêŸóŸ«ô¢ª à¶óŸª-÷àŸªa?

sö˶ë¯zb) ÖÚÛ å÷-ôÂÚÛª Ïô¢ª-î�µj-í£±õ Ñìo ÷uÚÛªhõª Î å÷-ôšíj

òÅ°Þ¥Eo 45°, 60° Ò-ô¢ÌĬy-ÚÁ-éÙö˺ àŸ«ø‹ô¢ª.- ÎÏë]Ìô¢ª ÷uÚÛªhõ ÷ªëÅ]u ë]«ô¢Ù 110 Oª.- Íô³ê¶å÷ô Ó꟪h ÚÛìª-ÚÁ\Ùè….-

16. a) 10 Ú¥ô¢ª“-õšíj 2, 5, 6, 6, 6, 6, 7, 7, 7, 8

ú£ÙÜuõª ô¦ú‡, î¦æ¨E ÖÚÛ è[ò°(ö˺ ÑÙà¦ô¢ª.-óŸ«ë]”-PaÄ-ÚÛÙÞ¥ ÖÚÛ Ú¥ô¢ª“ìª Bú‡-ì-í£±pè[ª ë¯EšíjÞœõ ú£ÙÜu Î Ú¥ô¢ª“-õ-EoÙ-樚íj ÑÙè˶ ú£ÙÜuõò°ï£‚-üŒÚÛÙ Ú¥÷-è¯-EÚ¨ ú£ÙòÅ°-÷uêŸ ÚÛìª-ÚÁ\Ùè….-

sö˶ë¯z

b) Ú¨ÙC ë]ê¦hÙ-ø‹-EÚ¨ ÍÙÚÛ-Þœ-é¨êŸ ú£Þœåª ÚÛìª-ÚÁ\Ùè….-

1 − 2 sin2θ17. a) cotθ − tanθ = ÍE àŸ«í‡

sinθ cosθ

θ = 30° Í-ô³-ì-í£±pè[ª ÚÛ«è¯ ú£J-àŸ«-è[Ùè….- sö˶ë¯z

ð§ôÂd - B

šú¤ÛûÂ - IV

ú£-÷ªóŸªÙ:- 30 ENª-ÿ§õª ÷«ô¢ª\õª:- 5ú£«àŸ-ìõª:- i) ÍEo ví£øŒo-õÚÛª ú£÷«-ëů-û¦õª ô¦óŸªÙè….- ii) ví£A ví£øŒoÚÛª Ï#aì ÎÙÞœx ͤÛ-ô¦ö˺x (A, B, C, D)

ú£·ôjì ú£÷«-ëů-û¦Eo Óìªo-Ú•E Óë]ª-ô¢ªÞ¥ Ñìovò°·ÚæÀö˺ ô¦óŸªÙè….-

iii) ví£A ví£øŒoÚÛª 1/-2 ÷«ô¢ª\.- 10 × 12

= 5

18.- ÖÚÛ õÙñ-ÚÁé ú£÷ª-Cy-ò°ï£‚ vAòÅ¡ªáÙ óµ³ÚÛ\ ÚÛô¢gÙë¯E òÅ¡ªâ°-EÚ¨ Þœõ ·ôåªx s z

A) √2 B) 2 C) √

3 D) 3

19.- ÷”êŸhÙšíj Ñìo Ôëµjû¦ GÙë]ª÷± ÷ë]Ì Î ÷”ê¦h-EÚ¨UóŸª-Þœõ ú£pô¢)-¸ô-Üõ ú£ÙÜu s z

A) 2 B) 1 C) Í-ìÙêŸÙ D) U-óŸªö˶٠20.- í£ådÚÛÙ óµ³ÚÛ\ í£ÚÛ\-êŸõ î�µjø‹õuÙ s z

1A) × òÅ¡«-î�µj-ø‹õuÙ × Ó꟪h B) òÅ¡«-î�µj-ø‹õuÙ × Ó꟪h

3

C) òÅ¡«Nª àŸªåªd-Ú•-õêŸ × Ó꟪h 1

D) × òÅ¡«-î�µj-ø‹õuÙ × Ó꟪h2

21.- tanθ × tan (90 − θ) = s zA) tanθ B) cotθ C) tan2θ D) 1

22.- Ú¨ÙC-î¦-æ¨ö˺ ÖÚÛ íÆ£ªåì óµ³ÚÛ\ ú£ÙòÅ°-÷uêŸ Ú¥EC?s z

3 5A) 0.005 B) 0.47 C) D)

5 3

23.- îµ³ë]æ¨ 10 ò˶ú‡-ú£Ù-Üuõ ú£Þœåª =- s zA) 10 B) 9 C) 11 D) 12

24.- ÷´è[ª û¦é˶-õìª ÓÞœª-ô¢-î�¶ -ú‡-ì-í£±pè[ª Ôô¢pè˶í£ô¢u÷þ§û¦õ ú£ÙÜu? s z

A) 6 B) 8 C) 4 D) 10

25.- ∆ABC ∼ ∆DEF, î¦æ¨ î�µjø‹-ö°uõª ÷ô¢ª-ú£Þ¥ 36

šúÙ.-Oª.2, 100 šúÙ.-Oª.2.- EF = 10 šúÙ.-Oª.-Í-ô³ê¶ BC = s z

A) 10 šúÙ.-Oª.- B) 8 šúÙ.-Oª.- C) 6 šúÙ.-Oª.- D) 7 šúÙ.-Oª.-

26.- Ö¸Ú î¦uþ§ô¢ÌÄÙ Þœõ ÞÁüŒÙ, Íô¢ÌÄ-ÞÁ-ü°õ ú£Ùí£²ô¢g êŸö°õî�µjø‹-ö°uõ Eù£pAh s z

A) 3 : 4 B) 2 : 3 C) 1 : 2 D) 4 : 3

127.- secθ + tanθ = Í-ô³ê¶ secθ − tanθ = ( )x

1A) x B) x2 C) D) 1 − x

x2

ú£-÷«-ëů-û¦õª18-A; 19-B; 20-C; 21-D; 22-D; 23-A; 24-B;

25-C; 26-D; 27-A.

n í‡. î�¶éªÞÁð§öËÀ

PUBLIC EXAMINATIONS - 2020

Time: 2 Hrs. 45 Min. MATHEMATICS PAPER - II (English Version) Max. Marks: 40

TENTH CLASS MODEL PAPER

øŒEî¦ô¢Ù 30  2020 n email: help@eenadupratibha.net

15

B 7 cm2.5 cm

5 cm

P

A

Q R

1.From figure AB || QR, then

find the value PB.

11.Find the area of

the shaded part

in the figure.7 cm7 cm

15 cmA B

CD

b)

From the figure find

the volume

C.I 0-10 10-20 20-30 30-40 40-50 50-60 60-70

f 2 3 6 12 7 6 4

B

A

O7 cm

12cm

PUBLIC EXAMINATIONS - 2020

Time: 2 Hrs. 45 Min. MATHEMATICS PAPER - II (Telugu Version) Max. Marks: 40

TENTH CLASS MODEL PAPER

B 7 šúÙ.Oª.2.5 šúÙ.Oª.

5 šúÙ.Oª.

P

A

Q R

1.

í£åÙö˺ AB//QR Í-ô³ê¶ PB

N-õª÷ ÚÛìª-ÚÁ\Ùè….

11.í£åÙö˺ ›ùè à¶ú‡ìvð§ÙêŸ î�µjø‹-ö°uEoÚÛìª-ÚÁ\Ùè….

7 šúÙ.Oª.7 šúÙ.Oª.

15 šúÙ.Oª.A B

CD

êŸô¢ÞœA0-10 10-20 20-30 30-40 40-50 50-60 60-70ÍÙêŸô¢Ù

ð¿ìlí£±ìuÙ 2 3 6 12 7 6 4

b)

í£åÙ íÆ£ªì-í£-J-÷«éÙÚÛìª-ÚÁ\Ùè….

B

A

O7 šúÙ.Oª.

12 šúÙ.Oª.

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RBC õ ú£ÙÜu šíô¢ª-Þœª-꟪ÙC.- 2) ÍCÅÚÛ Ó꟪hö˺ O

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šíô¢ª-Þœª-꟪ÙC.-

2. Ú¨ÙC-î¦-æ¨ö˺ ú£·ôjì ví£÷-àŸ-û¦Eo ÞœªJhÙ-àŸÙè….- 1) ø‹yú£-õóŸª ¸ÚÙvë]Ùšíj CO

2ví£-òÅ°÷Ù ÑÙè[ë]ª.-

2) ÷«ì-÷±-è…ö˺ î�µjåöËÀ þ§÷ª-ô¢–¬uÙ Eø‹yú£ Eõy íÆ£ªì-í£-J-÷«éÙ ÚÛÙç˶ ·ôÙè[ª ·ôåªx ÓÚÛª\÷.-

3) ÷«ì-÷±è… Òí‡-J-A-꟪hõª 10-3 î¦óŸ³-ÚÁ-ø‹-õìªÚÛLT ÑÙæ°ô³.-

4) Eø‹yú£ ú£÷ª-óŸªÙö˺ Òí‡-J-A-꟪hõª ú£¤Ûû í£ÙíÃö°í£E-à¶-þ§hô³.-

3. 100 ml Î-Ú¨q-áû ú£ï‡°êŸ ô¢ÚÛhÙ ÓÙêŸ O2

EBú£ª·ÚüŒ‰hÙC?1) 50 ml 2) 15 ml 3) 5 ml 4) 40 ml

4. ò˺ô ví£òÅ°-î¦-EÚ¨ ú£ÙñÙ-CÅÙ# Ú¨ÙC-î¦-æ¨ö˺ ú£·ôjì ví£÷-àŸ-û¦Eo ÞœªJhÙ-àŸÙè….- 1) P

50Í-CÅÚÛÙ, êŸT_ì CO

2Þ¥-èÅ[êŸ

2) P50

Í-CÅÚÛÙ, êŸT_ì pH N-õª÷3) P

60Í-CÅÚÛÙ, êŸT_ì pH N-õª÷

4) P50

Í-CÅÚÛÙ, šíJ-Tì pH N-õª÷5. Ú¨ÙC-î¦-æ¨E áêŸ-í£-ô¢-àŸÙè….-

ø‹yú£ íÆ£ªì-í£-J-÷«éÙ þ§÷ª-ô¢–¬uÙ

A) 1200 ml i) ç˵j-è[öËÀ î¦õªuîªB) 1100 ml ii) Ñ-à¦aÄyú£ þ§÷ª-ô¢–¬uÙ

C) 500 ml iii) Í-÷-øË™ù£ íÆ£ªì-í£-J-÷«éÙD) 350 ml iv) E-ø‹yú£ Eõy

íÆ£ªì-í£-J-÷«éÙA B C D A B C D

1) iii iv i ii 2) iii i ii iv

3) iii iv ii i 4) iii ii iv i

6. R.Q. ÍÙç˶? CO

2 O

21) 2) 3) 1, 2 4) ÔD-Ú¥ë]ª

O2

CO2

7.- þ§ôÂq sú‡N-óŸªô ÓÚÛ«uæÀ ·ôú‡p-¸ô-åK ú‡ÙvèÁîª) î¦uCÅë¶E ÷õx ÷ú£ªhÙC? 1) ì«u--ÚÁ-ÚÛúà ì«u-Eó¶ª 2) þ§ëů-ô¢é áõªñª n- ÚÛôÁû¦ î�µjô¢úà 3) Îú£h÷« 4) wšúdð¼d-ÚÁ-ÚÛúà ì«u-Eó¶ª

8. î¦óŸ³-ÚÁ-ø‹õª êŸT_, î¦óŸ³-ÚÁøŒ ÞÁè[õª PCÇ-õi, Òí‡-J-A-꟪hõª šíë]ÌÞ¥ ÷«J, î¦óŸ³-÷±õ NE-÷ªóŸªÙ áJ¸Þø‹yú£-êŸõÙ êŸT_, ÍCÅÚÛ êŸÙ꟪-óŸ³êŸ ÚÛé-â°-ö°Eo,êŸÚÛª\÷ ú‡–A-þ§–-í£-ÚÛ-êŸìª ÚÛLT ÑÙæ°ô³.- Òí‡-J-A-꟪hö˺xáJ¸Þ Ð Íí£-ú‡–-AE Ô÷ªÙ-æ°ô¢ª?1) ì«u-EóŸ« 2) ÓÙšíÆj-ú‡÷« 3) vò°Ù·Új-æ¨úà 4) ìõªí£± Òí‡-J-A-꟪hõ î¦uCÅ

9.- Ú¨ÙC-î¦æ¨E áêŸ-í£-ô¢-àŸÙè….- î¦uCÅ Íí£-ú‡–A/-Ú¥ô¢éÙ

A) ò˵j-ú‡-ûÁ-ú‡úà i) Ï-ìªí£ ¸ôéª-÷±õªB) Ññ(ú£ î¦uCÅ ii) Þœ-ìªõª, Ú¥yJúÃC) vò°Ù-·Új-æ¨úà iii) í£Ah í£J-vøŒ÷ª/-ë]«C ¸ôéª-÷±õª

D) ú‡-è…-ôÁ-ú‡úà iv) Ðè[ªp õ¤ÛéÙE) ú‡-L-ÚÁ-ú‡úà v) ø‹y-ú£-û¦-R-ÚÛö˺x î¦í£±, øË™xù£tÙ ÍCÅ-

ÚÛÙÞ¥ ÑêŸpAh Ú¥÷è[Ùvi) i-ÚÁ-ð§xþ§t

A B C D E A B C D E

1) iii iv v i ii 2) iii iv vi v ii

3) iii iv i ii vi 4) iii iv v ii i

1. ¤©ô¢-ë¯õª Ú¥E ú£ÚÛ-øË™-ô¢ª-Ú¥ö˺x vêŸóŸ«-÷u-÷ú£– ÓÙë]ªö˺ÑÙåªÙC?1) Z - UêŸ 2) I -- UêŸ 3) A - UêŸ 4) H - UêŸ

2. ÚÛÙè[ô¢ Þ¥xEÚ¨ Ú¥ô¢éÙ?1) ö°Ú¨dÚ Î÷ªxÙ, pH Nõª÷ šíô¢-Þœè[Ù 2) ö°Ú¨dÚ Î÷ªxÙ, Þœ«xÚÁâËÀ 3) ö°Ú¨dÚ Î÷ªxÙ, pH Nõª÷ êŸÞœ_è[Ù 4) Ô-D-Ú¥ë]ª

3. Ú¨ÙC-î¦-æ¨ö˺ ú£J-Ú¥-EC.-1) ·ôÙè[ª Z - UêŸõ ÷ªëÅ]u vð§ÙêŸÙ - ÚÛÙè[ô¢

ÜÙè…êŸÙ2) ÚÛÙè[ô¢ ú£ÙÚÁàŸ ú£÷ª-óŸªÙö˺H - vð§ÙêŸÙ ÚÛE-í‡Ù-àŸë]ª3) I - í£æ©d Ú¥ÙA í£æ©d, ÔÚ¨dû vð»æ©û ÑÙåªÙC.-4) ÚÛÙè[ô¢ ú£ÙÚÁàŸ ú£÷ª-óŸªÙö˺ A - - í£æ©d

ÚÛE-í‡Ù-àŸë]ª.-4.- Ú¨ÙC-î¦-æ¨E áêŸ-í£-ô¢-àŸÙè….-

â°Gê¦ - I â°Gê¦ - II

A) ÚÛÙè[ô¢ ÑDÌ-í£ìÙ I) Ca+2 ÍóŸ«-ûÂõª

î�µjë•-õ-Þœè[Ù

B) Íè[ª“ ÷Ùêµ-ìõªÔô¢pè[åÙ II) ATP ase

C) í£÷ô vþ¼dÚ III) I - í£æ©d ð»è[÷±êŸT_-ð¼-÷è[Ù

D) JÚÛ-÷K vþ¼dÚÂ IV) Tn

− C − Ca+2

ÍóŸ«-ìxêÁ ñÙCÅÙ-àŸè[ÙE) ÚÛÙè[ô¢ ú£è[-LÚÛ V) Óú‡-ç˵jöËÀ ÚÁLû n-

þ§ôÁ\-ö˵÷«t ÷ë]ÌvÚ¨óŸ«-øŒÚÛtÙÑêŸpAh à¶óŸªè[Ù

1) A-V, B-IV, C-III, D-I, E-II

2) A-V, B-IV, C-III, D-II, E-I

3) A-V, B-III, C-IV, D-I, E-II

4) A-V, B-IV, C-I, D-III, E-II

5.- ÚÛÙè[-ô¢Ùö˺ O2ìª Eõy-ඛú Óvô¢E ÷ô¢gÚÛÙ?

1) -ÞÁx-Gû 2) -Ó-J-vCÇû 3) ÷ªóµ«-ÞÁx-Gû 4) ÞÁxGûÂ

X6.- Þœ«xÚÁâËÀ → 2 šíjô¢«-NÚ Î÷ªxÙ → 2

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6ATP

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8. ÖÚÛ T - û¦RÚÛ ë¯EÚ¨ Ïô¢ª-î�µj-í£±ö° ÑÙè˶ ÍÙêŸuú‡ú£d¸ôoõìª ÚÛLí‡ Ô÷ªE í‡õª-þ§hô¢ª?1) vêŸóŸ« ÷u÷ú£– 2) ë]yóŸ« ÷u÷ú£– 3) vÚ¨óŸ«-øŒÚÛtÙ 4) 2, 3

šïj° ÎLd-å«uè ú‡ÚÂ-ûµúà ÍÙç˶?

è¯ÚÛdô >. î�µÙÚÛæÀ·ôè…“Nù£óŸª Eí£±éªõª

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÷«-ì÷ øŒKô¢ Eô¦té ø‹ú£YÙ, øŒ-Kô¢ ëÅ]ô¢t-ø‹ú£YÙ, @ô¢g ÷u-÷ú£–, ø‹yú‡Ù-àŸè[Ù n

î¦óŸ³-÷±õ NE÷ªóŸªÙ

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3. Ú¨ÙC-î¦-æ¨ö˺ ú£J-Ú¥-EC.- 1) ë]Ùè[ ÚÛé°ö˺x Nå-Nªû n- Ó ÑêŸp-ìo-iì Óvô¢æ¨

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7. ÍÙêŸô¢ û¶vêŸ ÖAh-è…E ú‡–ô¢ÙÞ¥ ÑÙ# û¶vêŸ ÞÁüŒÙÎÚ¥ô¦Eo Ú¥ð§-è˶C?1) û¶vêÁë]Ù 2) êŸô¢pÚÛÙ 3) û¶vêŸ û¦è† 4) ê¦ô¢ÚÛ

8. ÚÛô¢g-òÅ˶J êŸyà¦Eo Î÷-JÙ# ÑÙè˶ ÚÛé-â°õÙ?1) Ñí£-ÚÛü° ÚÛé-â°õÙ 2) ú£ô¢üŒ Ñí£-ÚÛü° ÚÛé-â°õÙ 3) ú£Ùóµ«-áÚÛ ÚÛé-â°öÙ 4) ÔD-Ú¥ë]ª

û¦è† EóŸªÙ-vêŸé n- ú£÷ª-ìyóŸªÙ

ú£-÷«-ëů-û¦õª1-2, 2-3, 3-4, 4-1, 5-2, 6-1, 7-2, 8-3.

ú£-÷«-ëů-û¦õª

1-3 2-4 3-3 4-1 5-1 6-1 7-2 8-2 9-1.

ú£-÷«-ëů-û¦õª1-1, 2-3, 3-4, 4-2, 5-3, 6-1, 7-4 8-1.