KCET Question Papers

KCET Solved Sample Papers are now available online for the candidates who are going to appear in the upcoming examination of Karnataka Common Entrance Test. Participating candidates can check their Karnataka KCET Model Question Papers 2022 through this page and they may also download it in the form of PDF through links provided here.

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KCET Question Paper 2020

Physics

Chemistry

Biology

Mathematics

Karnataka CET 

Question and Answer

Question 1: Find the nucleotide sequence of the mRNA which codes for the sequence of amino acids ‘Met — Leu — Val — Arg — Ala’ and

1. AUG – GAU – GAA – UAU UGU
2. AUG – GAU – GAA – CGU – GCC
3. AUG – CUA – GUG – UAU UGU
4. AUG – CUA – GUG – CGU – GCC

Ans: Option 4

Question 2: Sickle-cell anaemia is due to the following mutant gene:

1. CTC – CAC
2. CTC – GAG
3. CAC – GUG
4. GAG – GUG

Ans: Option 1

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Question 3: Which of the following sequences of mRNA are required for translation process but are not translated?

1. Stop codons
2. Anticodons
3. Sense codons
4. UTR

Ans: Option 4

Question 4: DNA, present in the nucleus, was named as ‘Nuclein’ by

1. James Watson and Crick
2. Friedrich Miescher
3. Maurice Wilkins
4. Rosalind Franklin

Ans: Option 2

Question 5: When does the lac-operon in E. coli become “switched on”?

1. Repressor binds to operator
2. RNA polymerase binds to operator
3. Lactose is present and it binds to the repressor
4. Lactose is present and it binds to RNA polymerase

Ans: Option 3

Question 6: The primary gases that were used by Miller in his experiment are

1. CH4, NH3, H2O, H2
2. CH4, CO2, N2, SO2
3. CH4, CO2, N2, NH3
4. CH4, N2, NH3, H2

Ans: Option 1

Question 7: The allele frequency of ‘A’ and ‘a’ in a population are 0.6 and 0.4 respectively. The expected frequency of heterozygous individuals is

1. 48%
2. 36%
3. 16%
4. 24%

Ans: Option 1

Question 8: In the series LCR circuit, the power dissipation is through

1. R
2. L
3. C
4. Both L and C

Ans: Option 1

Question 9: An object is placed at the principal focus of a convex mirror. The image will be at

1. Centre of curvature
2. Principal focus
3. Infinity
4. No image will be formed

Ans: Option 4

Question 10: An object is placed at a distance of 20 cm from the pole of a concave mirror of focal length 10 cm. The distance of the image formed is

1. + 20 cm
2. + 10 cm
3. –20 cm
4. –10 cm

Ans: Option 3

Question 11: The maximum kinetic energy of emitted photoelectrons depends on

1. Intensity of incident radiation
2. Frequency of incident radiation
3. Speed of incident radiation
4. Number of photons in the incident radiation

Ans: Option 2

Question 12: The total energy of an electron revolving in the second orbit of hydrogen atom is

1. -13.6 eV
2. 51 eV
3. 4 eV
4. Zero

Ans: Option 3

Question 13: The period of revolution of an electron in the ground state of hydrogen atom is T. The period of revolution of the electron in the first excited state is

1. 2 T
2. 4 T
3. 6 T
4. 8 T

Ans: Option 4

Question 14: The orbital nearest to the nucleus is

1. 4f
2. 5d
3. 4s
4. 7p

Ans: Option 3

Question 15: The intramolecular hydrogen bond is present in

1. Phenol
2. o-Nitrophenol
3. p-Nitrophenol
4. p-Cresol

Ans: Option 2

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Question 16: Identify the following compound which exhibits geometrical isomerism:

1. But-2-ene
2. But-1-ene
3. Butane
4. Isobutane

Ans: Option 1

Question 17: Electrolytic refining is used to purify which of the following metals?

1. Cu and Zn
2. Ge and Si
3. Zr and Ti
4. Zn and Hg

Ans: Option 1

Question 18: Which of the following bases is not present in DNA?

1. Adenine
2. Guanine
3. Cytosine
4. Uracil

Ans: Option 4

Question 19: Gold sol is not a

1. Lyophobic sol
2. Negatively charged sol
3. Macromolecular sol
4. Multimolecular colloid

Ans: Option 3

Question 20: Ziegler-Natta catalyst is used to prepare

1. Low-density polythene
2. Teflon
3. High density polythene
4. Nylon-6

Ans: Option 3

Get Some Important Links Here:

• Karnataka CET Syllabus
• Karnataka CET Result
• KCET Counselling
• KCET Cut Off
• KCET Admit Card

About Karnataka Common Entrance Test

Karnataka Common Entrance Test is conducted by Karnataka Examination Authority to provide admission in UG programs. Participants, who are going to appear in Karnataka CET Exam, may download KCET Solved Sample Paper through this page using online mode only.

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