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Molecular Basis of Inheritance

RE-NEET (UG) 2024MCQEasy📈 Topic in 75% papers+4−1
Ques. 1RE-NEET (UG) 2024

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

Answer

(1) Statement I is true but Statement II is false

Solution

Statement I is true: in prokaryotes, a single DNA-dependent RNA polymerase catalyses all types of transcription and is capable of catalysing the process of elongation.

Statement II is false: RNA polymerase associates transiently with the initiation factor sigma ( ) to initiate transcription and with the termination factor rho ( ) to terminate it.

Answer: (1)

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Ques. 2RE-NEET (UG) 2024

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
Ques. 3RE-NEET (UG) 2024

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
Ques. 4RE-NEET (UG) 2024

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 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
Ques. 5NEET (UG) 2023

Unequivocal proof that DNA is the genetic material was first proposed by

  1. Alfred Hershey and Martha Chase
  2. Avery, MacLeod and McCarty
  3. Wilkins and Franklin
  4. Frederick Griffith
Ques. 6NEET (UG) 2023

What is the role of RNA polymerase III in the process of transcription in Eukaryotes?

  1. Transcription of tRNA, 5S rRNA and snRNA
  2. Transcription of precursor of mRNA
  3. Transcription of only snRNAs
  4. Transcription of rRNAs (28S, 18S and 5.8S)
Ques. 7NEET (UG) 2023

Expressed Sequence Tags (ESTs) refer to

  1. All genes that are expressed as proteins.
  2. All genes whether expressed or unexpressed.
  3. Certain important expressed genes.
  4. All genes that are expressed as RNA.
Ques. 8NEET (UG) 2023

How many different proteins does the ribosome consist of?

  1. 60
  2. 40
  3. 20
  4. 80
Ques. 9NEET (UG) 2023

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

  1. A-II, B-III, C-IV, D-I
  2. A-III, B-IV, C-I, D-II
  3. A-III, B-I, C-IV, D-II
  4. A-II, B-I, C-IV, D-III
Ques. 10NEET (UG) 2023

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

  1. Both Statement I and Statement II are false.
  2. Statement I is true but Statement II is false.
  3. Statement I is false but Statement II is true.
  4. Both Statement I and Statement II are true.
Ques. 11NEET (UG) 2023

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

  1. Both Statement I and Statement II are false.
  2. Statement I is correct but Statement II is false.
  3. Statement I is incorrect but Statement II is true.
  4. Both Statement I and Statement II are true.

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