KCET Exam 2026 LIVE: Last Minute Practice Questions & Important Formulas; Topic-wise Quick Short Notes

11 00 PM IST - 22 Apr'26

KCET 2026 Exam List of Mathematics Practice Questions

Ques. Let the three sides of a triangle be on the lines 4x−7y+10=0,x+y=5, and 7x+4y=15. Then the distance of its orthocentre from the orthocentre of the triangle formed by the lines x=0, y=0, and x+y=1 is

Answer. √5

10 00 PM IST - 22 Apr'26

List of Most Repeated Chemistry Questions (1/4)

Ques. In a first-order reaction, the concentration of reactant decreases from 0.8M to 0.1 M in 30 minutes. The half-life of the reaction is:

Answer: 10 minutes

09 00 PM IST - 22 Apr'26

List of Most Repeated Chemistry Questions (1/3)

Ques. If the distance between the plates of a parallel plate capacitor is halved, its capacitance:

Answer. Is doubled

Ques. The work done in moving a charge of $2\text{ C}$ across two points having a potential difference of 12V is:

Answer. 24J

08 30 PM IST - 22 Apr'26

KCET 2026 Exam List of Mathematics Practice Questions

Ques. 

Answer. 2/3

08 00 PM IST - 22 Apr'26

List of Most Repeated Chemistry Questions (1/2)

Ques. Phenol reacts with CHCl₃ and aqueous NaOH to give Salicylaldehyde. This reaction is known as:

Answer. Reimer-Tiemann Reaction

Ques. The magnetic moment of an ion with 3 unpaired electrons is approximately:

Answer. 3.87 BM

07 30 PM IST - 22 Apr'26

List of Most Repeated Chemistry Questions (1/1)

Ques. Which of the following aqueous solutions will have the highest boiling point?

A. 1.0 M Urea

B. 1.0 M Glucose

C. 1.0 M NaCl

D. 1.0 M Na₂SO₄

Answer. Option D. 1.0 M Na₂SO₄

07 00 PM IST - 22 Apr'26

List of Most Repeated Physics Questions (1/6)

Ques. A concave-convex lens of refractive index 1.5 and the radii of curvature of its surfaces are 30 cm and 20 cm, respectively. The concave surface is upwards and is filled with a liquid of refractive index 1.3. The focal length of the liquid-glass combination will be:

06 30 PM IST - 22 Apr'26

List of Most Repeated Physics Questions (1/5)

Ques. For a hydrogen atom, the ratio of the largest wavelength of the Lyman series to that of the Balmer series is.

Answer. 5:27

06 00 PM IST - 22 Apr'26

List of Most Repeated Physics Questions (1/4)

Ques. In the resonance experiment, two air columns (closed at one end) of 100 cm and 120 cm long give 15 beats per second when each one is sounding in the respective fundamental modes. The velocity of sound in the air column is :

Answer. 360m/s

06 00 PM IST - 22 Apr'26

List of KCET Biology Practice Questions (1/4)

Ques. The modes of reproduction found in algae are:

Answer. Asexual, Vegetative, Sexual.

Ques. Tobacco plants resistant to nematodes have been developed using DNA that produced:

Answer. Both sense and anti-scene RNA.

Ques. In gel electrophoresis, the differential mobility of DNA depends on:

Answer. Charge and size of DNA

05 30 PM IST - 22 Apr'26

List of Most Repeated Physics Questions (1/3)

Ques. A river is flowing from west to east with a speed of 9 kmh^-1. If a boat capable of moving at a maximum speed of 27 kmh^-1 in still water, crosses the river in half a minute, while moving with maximum speed at an angle of 150° to the direction of river flow, then the width of the river is :

Answer. 112.5 m

05 30 PM IST - 22 Apr'26

List of KCET Biology Practice Questions (1/3)

Ques. The techniques of using live organisms or enzymes to produce products useful to humans are called:

Answer. Biotechnology

Ques. The reasons for infertility could include:

Answer. Congenital or Immunological Factors, Drugs or Diseases, Physical or Psychological Factors. 

05 00 PM IST - 22 Apr'26

List of Most Repeated Physics Questions (1/2)

Ques. Consider a moving coil galvanometer (MCG):

A: The torsional constant in a moving coil galvanometer has dimensions [ML²T^-2].

B: Increasing the current sensitivity may not necessarily increase the voltage sensitivity.

C: If we increase the number of turns (N) to its double (2N), then the voltage sensitivity doubles.

D: MCG can be converted into an ammeter by introducing a shunt resistance of large value in parallel with the galvanometer.

E: The current sensitivity of MCG depends inversely on the number of turns of the coil.

Answer. A and B only

05 00 PM IST - 22 Apr'26

List of KCET Biology Practice Questions (1/2)

Ques. The application of genetic engineering is in the field of:

Answer: Forensic Science, Genetic Biodiversity, Evolutionary Biology

Ques. New varieties of plants are produced primarily by:

Answer. Selection and Hybridization

04 30 PM IST - 22 Apr'26

List of Most Repeated Physics Questions (1/1)

Ques. An electric dipole is placed at a distance of 2 cm from an infinite plane sheet, as shown in the figure. The charge density of the sheet is σ₀. Choose the correct option from the following:

Answer. Potential energy of dipole is minimum and torque is zero.

04 30 PM IST - 22 Apr'26

List of KCET Biology Practice Questions (1/1)

Ques. In which of the following industrial areas is biotechnology applicable?

A. Health Care

B. Agriculture

C. Environment

D. All of the above

Answer. Option D. All of the above

04 00 PM IST - 22 Apr'26

Biology Strategy for Exam Day

• Do not read too fast if KEA frame questions like "Which of the following is NOT a characteristic of...", otherwise the candidates might miss the "Not" word.
• The candidates should mandatorily revise the scientific names of the organisms mentioned in the "Biology in Human Welfare" and "Microbes" chapters.
• Candidates are advised to complete the 60 Biology questions only in 40 to 45 minutes. 

03 30 PM IST - 22 Apr'26

Which are the high yield KCET Biology topics?

• Genetics and Evolution (10–12 Questions)
• Reproduction (8–10 Questions)
• Biotechnology (6–8 Questions)
• Ecology and Environment (8–10 Questions)
• Human Physiology (10–12 Questions)

03 00 PM IST - 22 Apr'26

KCET Chemistry: Direct Formula Challenge (1/2)

Ques. For a first-order reaction, if the time taken for 50% completion is $20$ minutes, what is the time required for 75% completion of the same reaction?

Answer. 40 minutes

Ques. The amount of electricity in Faradays required to produce 40 of Calcium from molten CaCi₂ is: (Atomic mass of Ca= 40)

Answer: 

02 30 PM IST - 22 Apr'26

KCET Chemistry: Direct Formula Challenge (1/1)

Ques. A solution contains 0.1 M of a non-volatile solute. If the elevation in boiling point is 0.52 K and the ebullioscopic constant of water is 0.52 K kg mol−1, the van't Hoff factor (i) of the solute is approximately (assume molality ≈ molarity):

Answer. 10

02 00 PM IST - 22 Apr'26

Last-Minute Strategy for KCET Chemistry Numericals (1/2)

Topic	Formula/Relation to Memorize
Magnetic Moment	, unpaired electrons n=3).
Surface Chemistry	Freundliche Adsorption Isotherm: x/m= k. P 1/n

01 30 PM IST - 22 Apr'26

Last-Minute Strategy for KCET Chemistry Numericals (1/1)

Topic	Formula/Relation to Memorize
Henry’s Law	Solubility ∞ 1/ KH. Higher KH means lower solubility.
Atomic Structure	Energy of nth orbit of He+:En= -

01 00 PM IST - 22 Apr'26

Type of the Questions Askedin KCET Physics 2026 Exam

• Direct Formula-Based (40-50%)
• Conceptual & Graphical (20-30%)
• Multi-Step Applications (20%)

12 30 PM IST - 22 Apr'26

Toppers Tips: The 3-Round Strategy for 80 Minutes Mathematics

• Round 1 (0–30 mins): Start to solve the "eyeball" questions, such as Logic, Sets, Matrices, and simple Algebra. Target to solve 25+ questions here.
• Round 2 (30–70 mins): Solve the questions asked on Calculus, Vectors, and 3D Geometry.
• Round 3 (Last 10 mins): The questions the candidates have not solved earlier, and leave blank for later, the candidates should solve those questions now. For instance, the candidates should rely on the "Elimination method". 

12 00 PM IST - 22 Apr'26

Faraday’s Laws of Electrolysis: Explain the Laws

First Law: W = ZIt

• W is mass deposited, I is current, t is time (in seconds).
• Z (Electrochemical equivalent) =

Second Law: When the same current passes across the different electrolytes:

• W₁/W₂= E₁/E₂

11 30 AM IST - 22 Apr'26

List of Practice Questions on KCET Chemistry Exam 2026 (1/5)

Ques. According to Kohlrausch's law, the limiting molar conductivity of an electrolyte A_zB_y is:

Answer. 

11 00 AM IST - 22 Apr'26

List of Practice Questions on KCET Chemistry Exam 2026 (1/4)

Ques 8. The reagent used in the Rosenmund reduction is:

Answer. Pd- BaSO₄/ H₂

Ques. Which linkage is found in Proteins?

Answer. Peptide Linkage

10 30 AM IST - 22 Apr'26

List of Practice Questions on KCET Chemistry Exam 2026 (1/3)

Ques. Which of the following is a primary battery?

A. Nickel- Cadmium Cell

B. Lithium-ion Battery

C. Lead Storage Battery

D. Dry Cell
Answer. Option D. Dry Cell

10 00 AM IST - 22 Apr'26

List of Practice Questions on KCET Chemistry Exam 2026 (1/2)

Ques. The osmotic pressure of a solution can be increased by:

Answer. Increasing the temperature

Ques. What is the oxidation state of Chromium in K₂Cr₂O₇? 

Answer. +6

09 30 AM IST - 22 Apr'26

List of Practice Questions on KCET Chemistry Exam 2026 (1/1)

Ques. The de-Broglie wavelength of an electron accelerated through a potential of 100V is approximately:

Answer. 0.1227 nm

Ques. In a face-centered cubic (FCC) unit cell, the total number of atoms per unit cell is:

Answer. 4

09 00 AM IST - 22 Apr'26

Phenols & Ethers: List of Most Repeated Reactions

• Reimer-Tiemann Reaction: Phenol+CHCl₃ (Chloroform)+ Aqueous NaOH ----> Salicylaldehyde.
• Williamson Ether Synthesis: R-X (Primary halide) + R' - Ona (Alkoxide) ----> Ether.
• Kolbe’s Reaction: Phenol+ NaOH+CO₂ (at high pressure) -----> Salicylic Acid (precursor to Aspirin).

08 30 AM IST - 22 Apr'26

Halogen Derivatives: List of Most Repeated Reactions

• Finkelstein Reaction:  (Synthesis of Alkyl Iodide).
• Wurtz-Fittig Reaction: Aryl halide + Alkyl halide + Na/ Dry Ether -----> Alkyl Benzene.
• Swarts Reaction:  (Synthesis of Alkyl Fluoride).

08 00 AM IST - 22 Apr'26

KCET Chemistry Exam-Day "Cheat" Strategy

• Experts suggest that the candidates should at first directly answer the Inorganic and Biomolecules questions in the first 15 minutes. It needs no time for calculation.
• KEA usually loves to test if the candidates can memorize the van't Hoff factor. Hence, if the solute is K₂SO₄, then remember i = 3. 
• Do not leave any of the 60 questions blank. If in doubt, use the elimination method (this means two options are obviously incorrect). 

07 00 AM IST - 22 Apr'26

Last Minute "Cheat Sheet" for Chemistry

• Gas Constant (R): Use 0.0821 for L · atm and 8.314 for J/ mol · K.
• Atomic Structure: Energy of electron E_n= 
• Mole Concept: 1 mole of gas at STP = 22.4 L. 

06 00 AM IST - 22 Apr'26

KCET Exam 2026: Day 1 Exam

Today is the first day of the KCET 2026 exam. The KCET Kannada Language Test will be held for 50 marks, from 10.30 AM to 11.30 AM. The 1-hour Kannada Language Test is not mandatory for all. Only the Horanadu Kannadiga and Gadinadu Kannadiga candidates should appear for the exam today.

05 00 AM IST - 22 Apr'26

Important KCET Chemistry Formulas on Electrochemistry

• Nernst Equation (at 298K): 
• Faraday’s First Law: 
• Gibbs Free Energy: 
• Molar Conductivity: 

04 00 AM IST - 22 Apr'26

List of Organic Chemistry (Named Reactions)

• Reimer-Tiemann: Phenol + CHCl₃/ KOH -----> Salicylaldehyde
• Rosenmund Reduction: Acid Chloride + H2/Pd- BaSO₄----> Aldehyde
• Kolbe’s Reaction: Phenol + CO₂/NAOH-----> Salicylic acid
• Aldol Condensation: Needs α-hydrogen, Dilute NaOH----> β-hydroxy aldehyde

03 00 AM IST - 22 Apr'26

Important KCET Chemistry Formulas of Solutions

• Molarity (M): 
• Raoult's Law (Relative Lowering of Vapor Pressure): 
• Elevation in Boiling Point: ΔT_b= i.K_b.m
• Depression in Freezing Point: ΔT_f= i.K_f.m
• Osmotic Pressure: π= iCRT
• Molality (m): 

02 00 AM IST - 22 Apr'26

KCET Chemistry Exam 2026: Strategic Breakdown by Section

• Organic Chemistry (30–35% of the paper)
• Physical Chemistry (30% of the paper)
• Inorganic Chemistry (25-30% of the paper)

01 00 AM IST - 22 Apr'26

KCET Exam 2026: Chapter Wise Chemistry Weightage (1/2)

12 00 AM IST - 22 Apr'26

KCET Exam 2026: Chapter Wise Chemistry Weightage (1/1)

11 00 PM IST - 21 Apr'26

List of Practice Questions on KCET Physics Exam 2026 (1/6)

Ques. The de-Broglie wavelength associated with an electron accelerated through a potential difference of 100V is approximately:

Answer. 122.7 Å

Ques. The angle of minimum deviation for a prism of refractive index √2 and refracting angle 60° is:

Answer. 30°

10 30 PM IST - 21 Apr'26

List of Practice Questions on KCET Physics Exam 2026 (1/5)

Ques. The resistance of an ideal ammeter and an ideal voltmeter are respectively:

Answer. Zero, Infinite

Ques. A transformer works on the principle of:

Answer. Mutual Induction

10 00 PM IST - 21 Apr'26

List of Practice Questions on KCET Physics Exam 2026 (1/4)

Ques. In a Young's double slit experiment, if the distance between the slits is halved and the distance between the slits and the screen is doubled, the fringe width becomes:

Answer. Four Times

09 30 PM IST - 21 Apr'26

List of Practice Questions on KCET Physics Exam 2026 (1/3)

Ques. The work function of a metal is 2.0 eV. If light of wavelength 310 nm falls on it, the maximum kinetic energy of the emitted photoelectrons is approx: (use hc = 1240 eV.nm)

Answer. 2.0 ev

09 00 PM IST - 21 Apr'26

List of Practice Questions on KCET Physics Exam 2026 (1/2)

Ques. A wire of resistance R is stretched to twice its original length. Its new resistance will be:

Answer. 4R

Ques. A convex lens of focal length 20 cm is placed in contact with a concave lens of focal length 25 cm. The power of the combination is:

Answer. +1D

08 30 PM IST - 21 Apr'26

List of Practice Questions on KCET Physics Exam 2026 (1/1)

Ques. Two point charges +3µC and +8µC repel each other with a force of 40N. If a charge of -5µC is added to each of them, then the force between them will become:

Answer. -10N

08 00 PM IST - 21 Apr'26

Quick KCET Physics Shortcuts

• At resonance,  so  Impedance Z = R (minimum)
• To compare EMF: E₁/E₂= l₁/l₂
• Candidates will get a confirmed question on Truth Tables for NAND and NOR (Universal gates). So memorize it properly. 

07 30 PM IST - 21 Apr'26

List of Important Formulas on Modern Physics

• Photoelectric Equation: K.E_max= 
• Bohr’s Energy Levels: 
• de Broglie Wavelength: 
• Radioactive Decay:  and Half-life 

07 00 PM IST - 21 Apr'26

Mechanics & Thermodynamics: List of Important Formulas

• Gravitation: 
• Variation of 'g' with Altitude: 
• Work-Energy Theorem: W_total= ΔK.E
• Carnot Engine Efficiency:  (Temperatures must be in Kelvin)

06 40 PM IST - 21 Apr'26

Optics: List of Important Formulas

• Mirror Formula: 
• Lens Maker’s Formula: 
• Total Internal Reflection (Critical Angle): sin C = 1/n
• Young’s Double Slit (Fringe Width): 

06 20 PM IST - 21 Apr'26

Electricity & Magnetism: List of Important Formulas

Topic Name	Formula
Coulomb's Law
Ohm’s Law & Resistivity	V = IR and
Kirchhoff’s Loop Rule
Magnetic Field (Long Wire)	B=
Force on a Moving Charge	F = qvBsin θ

06 00 PM IST - 21 Apr'26

KCET 2026 Exam: Physics Pro-Tips

• Candidates should thoroughly revise the NCERT for the theoretical portion, since the candidates will get direct questions asked from those topics.
• Make sure the candidates add the units and dimensions correctly.
• Do not derive a formula on your own in the exam hall. If you forget any formula, then move to the next question.

05 40 PM IST - 21 Apr'26

KCET Physics Exam 2026: The "Quick-Score" Chapters

Candidates can easily score 10 to 15 marks from the following quick-scored chapters:

• Modern Physics (Dual Nature, Atoms, Nuclei)
• Thermodynamics & KTG
• Semiconductor Electronics

05 20 PM IST - 21 Apr'26

KCET Physics Exam 2026: High-Priority "Super" Chapters

These are the high-prioritised chapters, and the candidates can expect to get 30 to 35 marks on these topics. 

05 00 PM IST - 21 Apr'26

Mathematics: List of Practice Questions (1/3)

Ques. The distance of the point (1, 2, 3) from the x-axis is:

Answer. √13

Ques. The value of  is:

Answer. π/3

04 40 PM IST - 21 Apr'26

Mathematics: List of Practice Questions (1/2)

Ques. If vectors  are perpendicular, then the value of λ is:

Answer. -3

Ques. The derivative of log (sin x) with respect to x is:

Answer. cot x

04 20 PM IST - 21 Apr'26

Mathematics: List of Practice Questions (1/1)

Ques. If A is a square matrix of order 3 and lAl = 5, then find the value of ladj Al.

Answer. 25

Ques. The value of  is:

Answer. 1

04 00 PM IST - 21 Apr'26

Mathematics: Substituion Method

The questions involve n or x, put small values (like n= 1, 2, or x= 0, 1) and then verify which option is matched. This will help the candidates to save their time, instead of solving a question from the scratch. 

03 40 PM IST - 21 Apr'26

Trigonometry (Important Tool)

• Double Angles: sin2θ= 2sin θ cos θ
• Inverse Trig: 

03 20 PM IST - 21 Apr'26

List of Important Formulas on Matrices & Determinants

• Property of Adjoint:  (where n is the order).
• Inverse: A^-1= adj A/ l A l 
• Singular Matrix: A matrix where the determinant is l A l = 0

03 00 PM IST - 21 Apr'26

Vectors & 3D Geometry: List of Important Formulas

• Dot Product (Perpendicularity): If a.b=0, then the angle is 90°.
• Cross Product (Area): Area of triangle = 1/2 l a X b l
• Shortest Distance (Lines): 

02 40 PM IST - 21 Apr'26

Calculus: Most Important Formulas

• L'Hospital's Rule: If the candidates get, 
• Differentiation: d/dx(a^z)= a^zlog a
• Definite Integrals (King's Property): 
• Even/Odd Functions: If 

02 20 PM IST - 21 Apr'26

Mathematics: Chapter Wise Weightage

02 00 PM IST - 21 Apr'26

Final Math Tip: The "Reverse Engineering" Method

• Go through the four options. 
• Verify the option in the questions.
• If Option A satisfies the condition, then you solve the question in just 30 seconds. 

01 40 PM IST - 21 Apr'26

What to expect for KCET Exam 2026?

• If you find the first five questions of Mathematics tough, then do not panic. First, solve the easy questions. Find out the easy ones, which are usually scattered in the middle of the paper.
• If you thoroughly read the NCERT, then it is assumed that they can answer the majority of the Physics and Chemistry concept-based questions, which are directly asked from there.

01 15 PM IST - 21 Apr'26

KCET Exam Difficulty Level of Past Three Years: Biology Section

01 00 PM IST - 21 Apr'26

KCET Exam Difficulty Level of Past Three Years: Chemistry Section

12 45 PM IST - 21 Apr'26

KCET Exam Difficulty Level of Past Three Years: Physics Section

12 30 PM IST - 21 Apr'26

KCET Exam Difficulty Level of Past Three Years: Mathematics Section

12 15 PM IST - 21 Apr'26

OMR Instructions: The Carbon Copy (1/5)

• The carbon sheet is a replica of the KCET OMR sheet. Hence, do not remove it. Rather, keep it as it is attached to the OMR sheet during the exam. 
• At the end of the exam, the candidates are allowed to detach the bottom carbon sheet and take it home. 

12 00 PM IST - 21 Apr'26

OMR Instructions: Signature & Thumb Impression (1/4)

• Candidates should sign in the designated box at the bottom of the OMR sheet.
• Affix your thumb impression in front of the invigilator. Do not overly ink your thumb, otherwise the other part of the OMR sheet might get smudged. 

11 45 AM IST - 21 Apr'26

OMR Instructions: The Shading Technique (1/3)

• For each question, the candidates should shade one circle. If the candidates shade two circles for the same question, no marks will be awarded (even if one answer is correct).
• The correct answer should be filled in. Do use tcke, cross, or hall-filled dots.
• Do not use a whitener, eraser, or blade to change the answer. 

11 30 AM IST - 21 Apr'26

OMR Instructions: Filling the Header Details (First 10 Minutes) [1/2]

• Write down your name in BLOCK LETTERS, exactly as same as mentioned in the KCET hall ticket.
• Enter the KCET hall ticket number correctly and shade the corresponding circles below each digit. Double-check the numbers.
• Enter the version code. This is the critical entry in the OMR sheet. Make sure the version code of the OMR sheet matches the question booklet. 
• Copy the question booklet serial number accurately mentioned on the OMR sheet.

11 15 AM IST - 21 Apr'26

OMR Instructions: Golden Rule (1/1)

• Use only black or blue inked ballpoint pens.
• Gel pens, pencils, and ink pens are strictly not allowed for filling out the OMR sheets. A gel pen might smudge and damage the scanning process. On the other hand, pencils are not detected by the OMR scanner. 

11 00 AM IST - 21 Apr'26

Which are the high-scoring easy wins of Mathematics?

• 3D Geometry
• Vectors
• Matrices

10 45 AM IST - 21 Apr'26

Which are the high-yield Chemistry topics?

• s/p/d/f block trends
• Coordination Compounds
• Basic Organic

10 30 AM IST - 21 Apr'26

Which are the high-yield Physics topics?

• Ray Optics
• Current Electricity
• Modern Physics

10 15 AM IST - 21 Apr'26

Logistics Checklist (Do this NOW)

• Make sure that the candidates have a clear printed copy of the KCET 2026 hall ticket. 
• Carry an original Aadhaar card, Voter ID, and PAN Card.
• Bring your two black or blue ballpoint pens. Do not carry a gel pen for shading the OMR sheet. 
• Plan to route and for the same, re-check your exam centre address, so that the candidates can reach the exam centre at least 45 to 60 minutes before the security checks. 

10 00 AM IST - 21 Apr'26

The "Last 24 Hours" Study Strategy

• Do not panic and watch 8-hour marathon videos unnecessarily. Instead, stick to your own short notes.
• Invest 2 to 3 hours today to go through the formula sheets for Physics, Mathematics, and Chemistry.
• Focus on the high-yield topics for the last time.

09 31 AM IST - 21 Apr'26

KCET Exam 2026: Exam Timing