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

TS POLYCET Answer Key, NEWS | 03-07-2024

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

(6 + 5√3) - (4 - 3√3) is (2) Irrational Number
Which of the following rational numbers have terminating decimal? (1) 7/250
H.C.F. of 2023, 2024, 2025 is (4) 1
The value of log 6 (2) + log 6 (3) is (2) 1
Exponential form of log b (a) = c (3) a b = c
The product of prime factors of 2024 is (2) 23 x 11 x 2 3
Which of the following two sets are equal sets? (3) A = {5, 6, 7}, B = {7, 5, 6}
{0} is a set which has ________ elements. (2) 1
If P(x) = 11x 8 - 5x 6 + 4x 4 - 7x 2 + 6, then the degree of P(x) is (1) 8
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
If α, β are the zeros of the polynomial P(x) = 3x 2 - x - 4 then α . β = (1) -4/3
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
If 2/√x + 3/√y = 2 and 4/√x - 9/√y = -1, then (3) x = 4, y = 3
The pair of equations x + y = 5 and 2x + 2y = k has infinitely many solutions if k = (4) 10
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
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
The roots of the quadratic equation x 2 - 4x + 4 = 0 are (2) 2, 2
The sum of the roots of the quadratic equation 3x 2 - 5x + 2 = 0 is (1) 5/3
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
The discriminant of the quadratic equation 3x 2 - 2x + 1/3 =0 is (3) 0
Which term of the A.P. 20, 18, 16, ... is '-80'? (2) 51
How many two digit numbers are divisible by 3? (3) 30
In a GP. the 3 rd term is 24 and 6 th is 192, then the 10 th term is (2) 3072
The common ratio of G. P. : 25, -5, 1, -1/5 (1) -1/5
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
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)
The centroid of the triangle with vertices (1,-1), (0, 6) and (-3,0) is (3) (-2/3, 5/3)
Area of the triangle formed by the points (-5, -1), (3, -5) and (5, 2) is (1) 32
In ΔABC, if DE || BC, ΑΕ/CE = 3/5 and AB = 5.6 cm, then AD = (2) 2.1 cm
In ∆ABC, DE || BC. If AD = x, DB = x - 2, AE = x + 2 and EC = x - 1, then the value of x = (4) 4
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
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
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
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
A tangent to a circle touches it in ________ point(s). (1) one
There are exactly _______ tangents to a circle through a point outside the circle. (1) two
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
If AP and AQ are the two tangents to a circle with center 'O', so that ∠POQ = 110°, then ∠PAQ = __________. (2) 70°
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
The area of a sector, whose radius is 7 cm with the angle 72° is ____________. (Use π = 22/7) (2) 30.8 cm 2
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
The volume of a right circular cone with radius 6 cm and height 7 cm is __________. (Use π = 22/7) (1) 264 cm 3
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
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
The value of sin 2 15° + cos 2 15° is (2) 1
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
If cosecθ + cotθ = k , then the value of cosec is (3) (k 2 - 1) / (k 2 + 1)
If A. B and C are interior angles of triangle ABC, then the value of cos ((A + B)/2) is (3) sin(C/2)
The value of cos 54° cos 36° - sin 54° sin 36° is (1) 0
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
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
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
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
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
The median of the data 24, 36, 46, 47, 50, 54, 61, 71, 82 is (2) 50
If x̅ = 70 and a = 75, then the value of Σ(d) / N is (4) -5
Which of the following measures of central tendency is affected by extreme values? (1) Mean
If the diameter of a circular sheet of metal is 42 cm, then the circumference of the circle is (2) 132 cm
The probability of getting a head when a coin is tossed is (1) ½
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

The S.I. unit of specific heat is (4) J/Kg.K
Which device is used to store charge? (1) Capacitor
Which of the following converts electrical energy into mechanical energy? (3) Electric Motor
The heating element of an electric iron is made of (2) Nichrome
Which of the following is the property of convex mirrors? (1) It always forms a virtual, erect, and diminished image
The image formed by a concave mirror is (4) real and inverted
The speed of light in water is (3) 2.25 × 10^8 m/s
The unit of electric current is (1) Ampere
A device used to measure electric current is (2) Ammeter
The S.I. unit of resistance is (3) Ohm
Which of the following is a nonrenewable source of energy? (4) Coal
The major component of biogas is (2) Methane
The magnetic field inside a long straight solenoid carrying current is (1) uniform
The unit of magnetic flux density is (3) Tesla
The phenomenon of electromagnetic induction is (1) generation of electric current by changing magnetic field
Which of the following is used to detect radiation? (2) Geiger-Muller counter
The force between two current-carrying conductors is (1) Magnetic
The focal length of a convex lens is (4) Positive
The image formed by a convex lens when the object is placed at 2F is (3) same size
The electric power is given by (1) P = VI
The frequency of A.C. in India is (2) 50 Hz
The light year is the unit of (4) Distance
The process of heat transfer in a fluid is (1) Convection
The rate of doing work is called (2) Power
The device used for converting A.C. to D.C. is (4) Rectifier
The focal length of a plane mirror is (1) Infinite
Which of the following is used to measure temperature? (3) Thermometer
Which of the following is a vector quantity? (4) Force
The ratio of the speed of light in a vacuum to the speed of light in a medium is called (3) Refractive index
The electric potential difference is measured in (2) Volts
The resistance of a wire is inversely proportional to its (1) Cross-sectional area
The boiling point of water is (4) 100°C
The S.I. unit of pressure is (3) Pascal
The energy stored in a stretched or compressed spring is called (2) Elastic potential energy
The current flowing in a circuit is 2A. The resistance is 4 Ohm. The power is (2) 16 W
The specific heat capacity of water is (1) 4200 J/kg.K
A device used to convert electrical energy into sound energy is (4) Loudspeaker
The wavelength of red light is (2) 700 nm
The unit of frequency is (3) Hertz
The material through which electric current cannot pass is called (1) Insulator
The minimum distance between the object and its real image in a convex lens is (2) 4f
The escape velocity from the surface of the Earth is (4) 11.2 km/s
The unit of work is (3) Joule
The force of attraction between any two bodies is called (1) Gravitational force
The wave with the highest frequency in the electromagnetic spectrum is (2) Gamma rays
The device used to change the voltage in an A.C. circuit is (4) Transformer
The rate of flow of charge is called (3) Current
The force exerted by a magnet on another magnet is (2) Magnetic force
The phenomenon of splitting of white light into its component colors is called (1) Dispersion
The unit of electric charge is (1) Coulomb

TS POLYCET 2024 Unofficial Answer Key for Chemistry

The molecular formula of ethane is (2) C2H6
The element with atomic number 20 is (4) Calcium
Which of the following is a noble gas? (3) Argon
The chemical formula of sodium chloride is (1) NaCl
The element with the highest electronegativity is (4) Fluorine
Which of the following is non-metal? (2) Sulfur
The pH of a neutral solution is (3) 7
The chemical formula of water is (1) H2O
Which of the following is an alkali metal? (3) Potassium
The element with atomic number 8 is (1) Oxygen
The number of protons in the nucleus of an atom is called (2) Atomic number
The chemical formula of carbon dioxide is (4) CO2
Which of the following is an acid? (2) Hydrochloric acid
The molecular formula of glucose is (1) C6H12O6
The gas used in the manufacture of ammonia is (4) Nitrogen
The chemical formula of sulfuric acid is (3) H2SO4
Which of the following is a base? (2) Sodium hydroxide
The atomic mass of an element is determined by the number of (3) Protons and neutrons
The molecular formula of methane is (2) CH4
The process of converting a liquid into a gas is called (1) Evaporation
The element with atomic number 1 is (4) Hydrogen
Which of the following is a halogen? (3) Chlorine
The number of electrons in the outermost shell of an atom is called (1) Valence electrons
The chemical formula of ammonia is (2) NH3
The element with atomic number 17 is (4) Chlorine
The process of converting a solid directly into a gas is called (1) Sublimation
Which of the following is an isotope? (3) Carbon-14
The element with atomic number 3 is (2) Lithium
The molecular formula of ethanol is (4) C2H5OH
The element with the highest atomic number is (3) Oganesson
The chemical formula of baking soda is (1) NaHCO3
The number of neutrons in the nucleus of an atom is called (2) Neutron number
The molecular formula of butane is (4) C4H10
The element with atomic number 2 is (1) Helium
The process of converting a gas into a liquid is called (3) Condensation
Which of the following is a metalloid? (2) Silicon
The chemical formula of acetic acid is (1) CH3COOH
The element with atomic number 10 is (4) Neon
The molecular formula of propene is (3) C3H6
The element with atomic number 7 is (1) Nitrogen
The process of converting a liquid into a solid is called (2) Freezing
Which of the following is a transition metal? (3) Iron
The chemical formula of potassium nitrate is (4) KNO3
The element with atomic number 14 is (1) Silicon
The molecular formula of ethylene is (2) C2H4
The element with atomic number 12 is (3) Magnesium
The process of converting a solid directly into a gas without passing through the liquid state is called (1) Sublimation
Which of the following is non-metal? (4) Phosphorus
The chemical formula of hydrochloric acid is (1) HCl
The element with atomic number 9 is (2) Fluorine
The molecular formula of benzene is (3) C6H6
The element with atomic number 11 is (4) Sodium
The process of breaking down a compound into its elements by passing an electric current through it is called (2) Electrolysis
The element with atomic number 13 is (1) Aluminum
The molecular formula of acetylene is (2) C2H2
The element with atomic number 16 is (3) Sulfur
The process of combining elements to form a compound is called (4) Synthesis
The element with atomic number 18 is (1) Argon
The chemical formula of calcium carbonate is (3) CaCO3
The element with atomic number 5 is (2) Boron

TS POLYCET 2024 Unofficial Answer Key for Biology

The basic structural and functional unit of life is (1) Cell
The process by which plants make their food is called (4) Photosynthesis
The powerhouse of the cell is (2) Mitochondria
The green pigment in plants that absorbs light energy is called (3) Chlorophyll
The process of cell division that results in the formation of two daughter cells is called (1) Mitosis
The genetic material in the nucleus of a cell is (4) DNA
The process by which water moves across a semipermeable membrane is called (2) Osmosis
The tissue in plants that conducts water and nutrients from the roots to the rest of the plant is (3) Xylem
The part of the cell that controls its activities is the (1) Nucleus
The process by which organisms maintain a stable internal environment is called (4) Homeostasis
The organelle in plant cells that stores water and other substances is the (2) Vacuole
The process by which organisms produce offspring is called (1) Reproduction
The molecule that carries genetic information from DNA to the ribosome is (3) mRNA
The organ system responsible for transporting oxygen and nutrients throughout the body is the (1) Circulatory system
The process by which cells take in oxygen and release carbon dioxide is called (2) Respiration
The structure in the cell where proteins are made is the (4) Ribosome
The process by which plants lose water vapor through their leaves is called (3) Transpiration
The organ system responsible for breaking down food and absorbing nutrients is the (1) Digestive system
The process by which organisms convert glucose into energy is called (4) Cellular respiration
The molecule that carries oxygen in red blood cells is (2) Hemoglobin
The structure in plant cells that provides support and protection is the (3) Cell wall
The organelle in cells that contains digestive enzymes is the (1) Lysosome
The molecule that stores energy in cells is (4) ATP
The process by which organisms eliminate waste products is called (2) Excretion
The organ system responsible for protecting the body from disease is the (3) Immune system
The process by which plants convert carbon dioxide and water into glucose and oxygen is (1) Photosynthesis
The part of the cell where lipids are synthesized is the (2) Smooth endoplasmic reticulum
The process by which cells become specialized for specific functions is called (4) Differentiation
The molecule that carries genetic information from parent to offspring is (3) DNA
The structure in the cell where ribosomal RNA is made is the (1) Nucleolus
The process by which organisms detect and respond to changes in their environment is called (2) Sensitivity
The organelle in cells that is responsible for packaging and transporting proteins is the (3) Golgi apparatus
The molecule that provides the blueprint for protein synthesis is (4) DNA
The process by which organisms produce energy without using oxygen is called (1) Anaerobic respiration
The organ system responsible for removing waste products from the blood is the (2) Excretory system
The molecule that is the main source of energy for cells is (3) Glucose
The process by which cells release energy from glucose is called (4) Cellular respiration
The organelle in plant cells that captures light energy for photosynthesis is the (1) Chloroplast
The process by which cells make proteins is called (2) Protein synthesis
The structure in the cell that controls what enters and leaves the cell is the (3) Cell membrane
The process by which organisms produce energy using oxygen is called (4) Aerobic respiration
The molecule that carries genetic information from DNA to the ribosome is (1) mRNA
The structure in the cell where energy is produced is the (2) Mitochondria
The process by which organisms produce offspring is called (3) Reproduction
The molecule that stores genetic information is (4) DNA
The organelle in cells that contains enzymes for breaking down waste is the (1) Lysosome
The process by which organisms convert glucose into energy is called (2) Cellular respiration
The structure in the cell where proteins are synthesized is the (3) Ribosome
The process by which plants lose water vapor through their leaves is called (4) Transpiration
The organ system responsible for transporting oxygen and nutrients throughout the body is the (1) Circulatory system