NEET
Botany

Genetic Code

Low Priority
Consistency: 15%
Weightage: 3 / 20 Yrs

High-Yield Trend

1
2025
1
2021
1
2017

Questions
3 MCQs

01
PYQ 2017
easy
botany ID: neet-201

If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered?

1. 11 2. 33
3. 333 4. 1
1
(1)
2
(2)
3
(3)
4
(4)
02
PYQ 2021
medium
botany ID: neet-202
Statement I: The codon AUG' codes for methionine and phenylalanine.
Statement II: AAA' and 'AAG are both codons that code for the amino acid lysine.


In light of the above statements, choose the correct answer from the options given below:

1. Statement I is correct but Statement II is incorrect.
2. Statement I is incorrect but Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
1
(1)
2
(2)
3
(3)
4
(4)
03
PYQ 2025
easy
botany ID: neet-202
Who proposed that the genetic code for amino acids should be made up of three nucleotides?
1. Jacque Monod
2. Franklin Stahl
3. George Gamow
4. Francis Crick
1
(1)
2
(2)
3
(3)
4
(4)