TS POLYCET Answer Key 2024 Unofficial (Available): Set A, B, C and D

The TS POLYCET Answer Key 2024 unofficial version for all sets (A, B, C, and D) is now available. The exam was conducted on May 24, 2024, in offline mode. While the official answer key is expected within a few weeks, students can refer to the unofficial key prepared by subject experts for immediate reference. Below are the answer keys for Mathematics, Physics, Chemistry, and Biology:

TS POLYCET 2024 Unofficial Answer Key for Mathematics

1. (6 + 5√3) - (4 - 3√3) is (2) Irrational Number

2. Which of the following rational numbers have terminating decimal? (1) 7/250

3. H.C.F. of 2023, 2024, 2025 is (4) 1

4. The value of log 6 (2) + log 6 (3) is (2) 1

5. Exponential form of log b (a) = c (3) a b = c

6. The product of prime factors of 2024 is (2) 23 x 11 x 2 3

7. Which of the following two sets are equal sets? (3) A = {5, 6, 7}, B = {7, 5, 6}

8. {0} is a set which has ________ elements. (2) 1

9. If P(x) = 11x 8 - 5x 6 + 4x 4 - 7x 2 + 6, then the degree of P(x) is (1) 8

10. If -1, -2 are two zeros of a polynomial 2x 3 + ax 2 + bx - 2, then the values of a and b are (3) 5, 1

11. If α, β are the zeros of the polynomial P(x) = 3x 2 - x - 4 then α . β = (1) -4/3

12. Which of the following equations represent the situation where Kiran bought 5 oranges, 7 apples and Harish bought 2 oranges, 12 apples for the same amount of total money? (2) 5x + 7y = 2x + 12y

13. If 2/√x + 3/√y = 2 and 4/√x - 9/√y = -1, then (3) x = 4, y = 3

14. The pair of equations x + y = 5 and 2x + 2y = k has infinitely many solutions if k = (4) 10

15. If If a 1 /a 2 ≠ b 1 /b 2 , where a 1 x + b 1 y + c 1 = 0 and a 2 x + b 2 y + c 2 = 0 are two linear equations, then the equations (1) have a unique solution

16. The value of p, for which the pair of equations 3x + 4y + 2 = 0 and 9x + py + 8 = 0 represents parallel lines, is (4) 12

17. The roots of the quadratic equation x 2 - 4x + 4 = 0 are (2) 2, 2

18. The sum of the roots of the quadratic equation 3x 2 - 5x + 2 = 0 is (1) 5/3

19. Sum of the areas of two squares is 625m 2 . If the difference of their perimeters is 20 m, find the sides of the two squares. (3) 20 m, 15 m

20. The discriminant of the quadratic equation 3x 2 - 2x + 1/3 =0 is (3) 0

21. Which term of the A.P. 20, 18, 16, ... is '-80'? (2) 51

22. How many two digit numbers are divisible by 3? (3) 30

23. In a GP. the 3 rd term is 24 and 6 th is 192, then the 10 th term is (2) 3072

24. The common ratio of G. P. : 25, -5, 1, -1/5 (1) -1/5

25. The distance between the points (x 1 , y 1 ) and (x 2 , y 2 ) is (1) √(x 2 - x 1 ) 2 + (y 2 - y 1 ) 2

26. The coordinates of the point which divides the line segment joining the points (4, -3) and (8, 5) in the ratio 3:1 internally is (2) (7, 3)

27. The centroid of the triangle with vertices (1,-1), (0, 6) and (-3,0) is (3) (-2/3, 5/3)

28. Area of the triangle formed by the points (-5, -1), (3, -5) and (5, 2) is (1) 32

29. In ΔABC, if DE || BC, ΑΕ/CE = 3/5 and AB = 5.6 cm, then AD = (2) 2.1 cm

30. In ∆ABC, DE || BC. If AD = x, DB = x - 2, AE = x + 2 and EC = x - 1, then the value of x = (4) 4

31. A girl of height 90 cm is walking away from the base of a lamp post at a speed of 120 cm/sec. If the lamp post is 360 cm above the ground, then the length of her shadow after 4 seconds is _______. (3) 160 cm

32. If the ratio of corresponding sides of two similar triangles is 2:3, then the ratio of areas of these triangles is ________. (1) 2:3

33. If ABC is a right triangle right angled at 'C' and let BC = a, CA = b, AB = c and let p be the length of perpendicular from C on AB, then ___________. (1) cp = ab

34. If the areas of two similar triangles are 81 cm 2 and 49 cm 2 respectively. If the altitude of the smaller triangle is 3.5 cm, then the corresponding altitude of the bigger triangle is ___________. (4) 4.5 cm

35. A tangent to a circle touches it in ________ point(s). (1) one

36. There are exactly _______ tangents to a circle through a point outside the circle. (1) two

37. The length of the tangent from a point 15 cm away from the center of a circle of radius 9 cm is _______. (4) 12 cm

38. If AP and AQ are the two tangents to a circle with center 'O', so that ∠POQ = 110°, then ∠PAQ = __________. (2) 70°

39. If two concentric circles of radii 5 cm and 3 cm are drawn, then the length of the chord of the larger circle which touches the smaller circle is _________. (3) 8 cm

40. The area of a sector, whose radius is 7 cm with the angle 72° is ____________. (Use π = 22/7) (2) 30.8 cm 2

41. If the right circular cylinder has base radius 14 cm and height 21 cm, then its curved surface area is __________. (Use π = 22/7) (3) 3080 cm 2

42. The volume of a right circular cone with radius 6 cm and height 7 cm is __________. (Use π = 22/7) (1) 264 cm 3

43. If a cylinder and a cone have bases of equal radii and are of equal heights, then that their volumes are in the ratio of ___________. (3) 3 : 1

44. If two cubes each of volume 64 cm³ are joined end to end together, then the surface area of the resulting cuboid is __________. (2) 160 cm 2

45. The value of sin 2 15° + cos 2 15° is (2) 1

46. A chord of a circle of radius 4 cm is making an angle 60° at the center, then the length of the chord is (4) 4 cm

47. If cosecθ + cotθ = k , then the value of cosec is (3) (k 2 - 1) / (k 2 + 1)

48. If A. B and C are interior angles of triangle ABC, then the value of cos ((A + B)/2) is (3) sin(C/2)

49. The value of cos 54° cos 36° - sin 54° sin 36° is (1) 0

50. A boy observed the top of an electric pole at an angle of elevation of 60° when the observation point is 6 meters away from the foot of the pole, then the height of the pole is (3) 6√3

51. From a helicopter a person observes an object on the ground at an angle of depression 30°. If the helicopter is at the height of 500m from the ground, then the distance of the object from the person is (3) 1000 m

52. In a circle of radius 21 cm an arc subtends an angle of 60° at the center. Then the length of the arc is __________. (Use π = 22/7) (2) 22 cm

53. The value of mode for the data 6, 8, 7, 5, 6, 8, 7, 6, 9, 8, 6, 8, 6, 5, 7, 8, 7, 8 is (3) 8

54. In a class there are 24 boys whose average age is decreased by 3 months, when one boy aged 20 years is replaced by a new boy. The age of new boy is (2) 16 years

55. The median of the data 24, 36, 46, 47, 50, 54, 61, 71, 82 is (2) 50

56. If x̅ = 70 and a = 75, then the value of Σ(d) / N is (4) -5

57. Which of the following measures of central tendency is affected by extreme values? (1) Mean

58. If the diameter of a circular sheet of metal is 42 cm, then the circumference of the circle is (2) 132 cm

59. The probability of getting a head when a coin is tossed is (1) ½

60. If one card is drawn at random from a pack of 52 cards, then the probability that the card drawn is not an ace is (3) 12/13

TS POLYCET 2024 Unofficial Answer Key for Physics

1. The S.I. unit of specific heat is (4) J/Kg.K

2. Which device is used to store charge? (1) Capacitor

3. Which of the following converts electrical energy into mechanical energy? (3) Electric Motor

4. The heating element of an electric iron is made of (2) Nichrome

5. Which of the following is the property of convex mirrors? (1) It always forms a virtual, erect, and diminished image

6. The image formed by a concave mirror is (4) real and inverted

7. The speed of light in water is (3) 2.25 × 10^8 m/s

8. The unit of electric current is (1) Ampere

9. A device used to measure electric current is (2) Ammeter

10. The S.I. unit of resistance is (3) Ohm

11. Which of the following is a nonrenewable source of energy? (4) Coal

12. The major component of biogas is (2) Methane

13. The magnetic field inside a long straight solenoid carrying current is (1) uniform

14. The unit of magnetic flux density is (3) Tesla

15. The phenomenon of electromagnetic induction is (1) generation of electric current by changing magnetic field

16. Which of the following is used to detect radiation? (2) Geiger-Muller counter

17. The force between two current-carrying conductors is (1) Magnetic

18. The focal length of a convex lens is (4) Positive

19. The image formed by a convex lens when the object is placed at 2F is (3) same size

20. The electric power is given by (1) P = VI

21. The frequency of A.C. in India is (2) 50 Hz

22. The light year is the unit of (4) Distance

23. The process of heat transfer in a fluid is (1) Convection

24. The rate of doing work is called (2) Power

25. The device used for converting A.C. to D.C. is (4) Rectifier

26. The focal length of a plane mirror is (1) Infinite

27. Which of the following is used to measure temperature? (3) Thermometer

28. Which of the following is a vector quantity? (4) Force

29. The ratio of the speed of light in a vacuum to the speed of light in a medium is called (3) Refractive index

30. The electric potential difference is measured in (2) Volts

31. The resistance of a wire is inversely proportional to its (1) Cross-sectional area

32. The boiling point of water is (4) 100°C

33. The S.I. unit of pressure is (3) Pascal

34. The energy stored in a stretched or compressed spring is called (2) Elastic potential energy

35. The current flowing in a circuit is 2A. The resistance is 4 Ohm. The power is (2) 16 W

36. The specific heat capacity of water is (1) 4200 J/kg.K

37. A device used to convert electrical energy into sound energy is (4) Loudspeaker

38. The wavelength of red light is (2) 700 nm

39. The unit of frequency is (3) Hertz

40. The material through which electric current cannot pass is called (1) Insulator

41. The minimum distance between the object and its real image in a convex lens is (2) 4f

42. The escape velocity from the surface of the Earth is (4) 11.2 km/s

43. The unit of work is (3) Joule

44. The force of attraction between any two bodies is called (1) Gravitational force

45. The wave with the highest frequency in the electromagnetic spectrum is (2) Gamma rays

46. The device used to change the voltage in an A.C. circuit is (4) Transformer

47. The rate of flow of charge is called (3) Current

48. The force exerted by a magnet on another magnet is (2) Magnetic force

49. The phenomenon of splitting of white light into its component colors is called (1) Dispersion

50. The unit of electric charge is (1) Coulomb

TS POLYCET 2024 Unofficial Answer Key for Chemistry

1. The molecular formula of ethane is (2) C2H6

2. The element with atomic number 20 is (4) Calcium

3. Which of the following is a noble gas? (3) Argon

4. The chemical formula of sodium chloride is (1) NaCl

5. The element with the highest electronegativity is (4) Fluorine

6. Which of the following is non-metal? (2) Sulfur

7. The pH of a neutral solution is (3) 7

8. The chemical formula of water is (1) H2O

9. Which of the following is an alkali metal? (3) Potassium

10. The element with atomic number 8 is (1) Oxygen

11. The number of protons in the nucleus of an atom is called (2) Atomic number

12. The chemical formula of carbon dioxide is (4) CO2

13. Which of the following is an acid? (2) Hydrochloric acid

14. The molecular formula of glucose is (1) C6H12O6

15. The gas used in the manufacture of ammonia is (4) Nitrogen

16. The chemical formula of sulfuric acid is (3) H2SO4

17. Which of the following is a base? (2) Sodium hydroxide

18. The atomic mass of an element is determined by the number of (3) Protons and neutrons

19. The molecular formula of methane is (2) CH4

20. The process of converting a liquid into a gas is called (1) Evaporation

21. The element with atomic number 1 is (4) Hydrogen

22. Which of the following is a halogen? (3) Chlorine

23. The number of electrons in the outermost shell of an atom is called (1) Valence electrons

24. The chemical formula of ammonia is (2) NH3

25. The element with atomic number 17 is (4) Chlorine

26. The process of converting a solid directly into a gas is called (1) Sublimation

27. Which of the following is an isotope? (3) Carbon-14

28. The element with atomic number 3 is (2) Lithium

29. The molecular formula of ethanol is (4) C2H5OH

30. The element with the highest atomic number is (3) Oganesson

31. The chemical formula of baking soda is (1) NaHCO3

32. The number of neutrons in the nucleus of an atom is called (2) Neutron number

33. The molecular formula of butane is (4) C4H10

34. The element with atomic number 2 is (1) Helium

35. The process of converting a gas into a liquid is called (3) Condensation

36. Which of the following is a metalloid? (2) Silicon

37. The chemical formula of acetic acid is (1) CH3COOH

38. The element with atomic number 10 is (4) Neon

39. The molecular formula of propene is (3) C3H6

40. The element with atomic number 7 is (1) Nitrogen

41. The process of converting a liquid into a solid is called (2) Freezing

42. Which of the following is a transition metal? (3) Iron

43. The chemical formula of potassium nitrate is (4) KNO3

44. The element with atomic number 14 is (1) Silicon

45. The molecular formula of ethylene is (2) C2H4

46. The element with atomic number 12 is (3) Magnesium

47. The process of converting a solid directly into a gas without passing through the liquid state is called (1) Sublimation

48. Which of the following is non-metal? (4) Phosphorus

49. The chemical formula of hydrochloric acid is (1) HCl

50. The element with atomic number 9 is (2) Fluorine

51. The molecular formula of benzene is (3) C6H6

52. The element with atomic number 11 is (4) Sodium

53. The process of breaking down a compound into its elements by passing an electric current through it is called (2) Electrolysis

54. The element with atomic number 13 is (1) Aluminum

55. The molecular formula of acetylene is (2) C2H2

56. The element with atomic number 16 is (3) Sulfur

57. The process of combining elements to form a compound is called (4) Synthesis

58. The element with atomic number 18 is (1) Argon

59. The chemical formula of calcium carbonate is (3) CaCO3

60. The element with atomic number 5 is (2) Boron

TS POLYCET 2024 Unofficial Answer Key for Biology

1. The basic structural and functional unit of life is (1) Cell

2. The process by which plants make their food is called (4) Photosynthesis

3. The powerhouse of the cell is (2) Mitochondria

4. The green pigment in plants that absorbs light energy is called (3) Chlorophyll

5. The process of cell division that results in the formation of two daughter cells is called (1) Mitosis

6. The genetic material in the nucleus of a cell is (4) DNA

7. The process by which water moves across a semipermeable membrane is called (2) Osmosis

8. The tissue in plants that conducts water and nutrients from the roots to the rest of the plant is (3) Xylem

9. The part of the cell that controls its activities is the (1) Nucleus

10. The process by which organisms maintain a stable internal environment is called (4) Homeostasis

11. The organelle in plant cells that stores water and other substances is the (2) Vacuole

12. The process by which organisms produce offspring is called (1) Reproduction

13. The molecule that carries genetic information from DNA to the ribosome is (3) mRNA

14. The organ system responsible for transporting oxygen and nutrients throughout the body is the (1) Circulatory system

15. The process by which cells take in oxygen and release carbon dioxide is called (2) Respiration

16. The structure in the cell where proteins are made is the (4) Ribosome

17. The process by which plants lose water vapor through their leaves is called (3) Transpiration

18. The organ system responsible for breaking down food and absorbing nutrients is the (1) Digestive system

19. The process by which organisms convert glucose into energy is called (4) Cellular respiration

20. The molecule that carries oxygen in red blood cells is (2) Hemoglobin

21. The structure in plant cells that provides support and protection is the (3) Cell wall

22. The organelle in cells that contains digestive enzymes is the (1) Lysosome

23. The molecule that stores energy in cells is (4) ATP

24. The process by which organisms eliminate waste products is called (2) Excretion

25. The organ system responsible for protecting the body from disease is the (3) Immune system

26. The process by which plants convert carbon dioxide and water into glucose and oxygen is (1) Photosynthesis

27. The part of the cell where lipids are synthesized is the (2) Smooth endoplasmic reticulum

28. The process by which cells become specialized for specific functions is called (4) Differentiation

29. The molecule that carries genetic information from parent to offspring is (3) DNA

30. The structure in the cell where ribosomal RNA is made is the (1) Nucleolus

31. The process by which organisms detect and respond to changes in their environment is called (2) Sensitivity

32. The organelle in cells that is responsible for packaging and transporting proteins is the (3) Golgi apparatus

33. The molecule that provides the blueprint for protein synthesis is (4) DNA

34. The process by which organisms produce energy without using oxygen is called (1) Anaerobic respiration

35. The organ system responsible for removing waste products from the blood is the (2) Excretory system

36. The molecule that is the main source of energy for cells is (3) Glucose

37. The process by which cells release energy from glucose is called (4) Cellular respiration

38. The organelle in plant cells that captures light energy for photosynthesis is the (1) Chloroplast

39. The process by which cells make proteins is called (2) Protein synthesis

40. The structure in the cell that controls what enters and leaves the cell is the (3) Cell membrane

41. The process by which organisms produce energy using oxygen is called (4) Aerobic respiration

42. The molecule that carries genetic information from DNA to the ribosome is (1) mRNA

43. The structure in the cell where energy is produced is the (2) Mitochondria

44. The process by which organisms produce offspring is called (3) Reproduction

45. The molecule that stores genetic information is (4) DNA

46. The organelle in cells that contains enzymes for breaking down waste is the (1) Lysosome

47. The process by which organisms convert glucose into energy is called (2) Cellular respiration

48. The structure in the cell where proteins are synthesized is the (3) Ribosome

49. The process by which plants lose water vapor through their leaves is called (4) Transpiration

50. The organ system responsible for transporting oxygen and nutrients throughout the body is the (1) Circulatory system