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Molecular Basis of Inheritance · Question 13

NEET (UG) 2025MCQEasy📈 Topic in 75% papers+4−1
1

Histones are enriched with -

  1. Phenylalanine & Leucine
  2. Phenylalanine & Arginine
  3. Lysine & Arginine
  4. Leucine & Lysine

Answer

(3) Lysine & Arginine

Solution

Histones are positively charged, basic proteins because they are rich in the basic amino acid residues lysine and arginine, whose side chains carry positive charges.

Answer: (3)

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2

Which factor is important for termination of transcription?

  1. (rho)
  2. (gamma)
  3. (alpha)
  4. (sigma)
NEET (UG) 2025
3

The lactose present in the growth medium of bacteria is transported to the cell by the action of

  1. Beta-galactosidase
  2. Acetylase
  3. Permease
  4. Polymerase
NEET (UG) 2024
4

A transcription unit in DNA is defined primarily by the three regions in DNA and these are with respect to upstream and down stream end;

  1. Repressor, Operator gene, Structural gene
  2. Structural gene, Transposons, Operator gene
  3. Inducer, Repressor, Structural gene
  4. Promoter, Structural gene, Terminator
NEET (UG) 2024
5

Which of the following statement is correct regarding the process of replication in E. coli?

  1. The DNA dependent DNA polymerase catalyses polymerization in one direction that is 3' 5'
  2. The DNA dependent RNA polymerase catalyses polymerization in one direction, that is 5' 3'
  3. The DNA dependent DNA polymerase catalyses polymerization in 5' 3' as well as 3' 5' direction
  4. The DNA dependent DNA polymerase catalyses polymerization in 5' 3' direction
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6

Match List I with List II Choose the correct answer from the options given below:

  1. A-III, B-II, C-I, D-IV
  2. A-III, B-IV, C-I, D-II
  3. A-II, B-III, C-IV, D-I
  4. A-IV, B-II, C-II, D-III
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7

Which one is the correct product of DNA dependent RNA polymerase to the given template? 3'TACATGGCAAATATCCATTCA5'

  1. 5'AUGUACCGUUUAUAGGUAAGU3'
  2. 5'AUGUAAAGUUUAUAGGUAAGU3'
  3. 5'AUGUACCGUUUAUAGGGAAGU3'
  4. 5'ATGTACCGTTTATAGGTAAGT3'
NEET (UG) 2024
8

Match List I with List II: Choose the correct answer from the options given below :

  1. A-II, B-IV, C-I, D-III
  2. A-III, B-II, C-IV, D-I
  3. A-III, B-IV, C-I, D-II
  4. A-IV, B-III, C-I, D-II
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9

Given below are two statements regarding RNA polymerase in prokaryotes. In the light of the above statements, choose the correct answer from the options given below :

  1. Statement I is true but Statement II is false
  2. Statement I is false but Statement II is true
  3. Both Statement I and Statement II are true
  4. Both Statement I and Statement II are false
RE-NEET (UG) 2024
10

Given below are two statements: In the 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
RE-NEET (UG) 2024
11

Match List-I with List-II:

  1. A-IV, B-III, C-II, D-I
  2. A-III, B-I, C-IV, D-II
  3. A-II, B-III, C-IV, D-I
  4. A-III, B-IV, C-I, D-II
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