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Molecular Basis of Inheritance PYQ — Page 3

NEET UG Zoology — Molecular Basis of Inheritance previous year questions with solutions.

All Molecular Basis of Inheritance Questions (182)

DNA fingerprinting involves identifying differences in some specific regions in DNA sequence, called as:

2021
easy
mcq

Statement I: The codon 'AUG' codes for methionine and phenylalanine. Statement II: 'AAA' and 'AAG' both codons code for the amino acid lysine. In the light of the above statements, choose the correct answer from the options given below.

2021
medium
mcq

Which one of the following statements about histones is wrong?

2021
medium
mcq

Which of the following RNAs is not required for the synthesis of protein?

2021
easy
mcq

Identify the correct statement.

2021
medium
mcq

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

2021
easy
mcq

If Adenine makes $30%$ of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it?

2021
easy
mcq

Which is the "Only enzyme" that has "Capability" to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes?

2021
easy
mcq

The first phase of translation is

2020
easy
mcq

Which of the following statements is correct?

2020
easy
mcq

If the distance between two consecutive base pairs is $0.34\mathrm{nm}$ and the total number of base pairs of a DNA double helix in a typical mammalian cell is $6.6\times {10}^{9}\mathrm{bp}$ bp, then the length of the DNA is approximately

2020
easy
mcq

Which is the basis of genetic mapping of human genome as well as $\mathrm{DNA}$ fingerprinting?

2020
easy
mcq

E. coli has only $4.6\times {10}^{6}$ base pairs and completes the process of replication within $18$ minutes; then the average rate of polymerisation is approximately:

2020
easy
mcq

The term 'Nuclein' for the genetic material was used by:

2020
easy
mcq

In the polynucleotide chain of $\mathrm{DNA}$, a nitrogenous base is linked to the $-\mathrm{OH}$ of:

2020
easy
mcq

Name the enzyme that facilitates opening of DNA helix during transcription.

2020
easy
mcq

From the following, identify the correct combination of salient features of Genetic code.

2019
easy
mcq

In the process of transcription in eukaryotes, the RNA polymerase I transcribes

2019
easy
mcq

What initiation and termination factors are involved in transcription in eukaryotes?

2019
easy
mcq

Match the following RNA polymerases with their transcribed products ![NEET 2019 Zoology, Molecular Basis of Inheritance — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Zoology/images/Molecular_Basis_of_Inheritance/66bcbfe5ae81d148616b24fd/question_1__q_66bcbfe5ae81d148616b24fd__cdn-question-pool.getmarks.app__cPbzOYlG4DDeRTNL2xWQeRcvgBTVP4Dz5Y-0oXUed3g.original.fullsiz__c3affcc00e_final_ppt_sync.png) Select the correct option from the following

2019
easy
mcq

Under which of the following conditions will there be no change in the reading frame of the following mRNA? 5'AACAGCGGUGCUAUU 3'

2019
easy
mcq

"Ramachandran plot" is used to confirm the structure of

2019
easy
mcq

Purines found both in DNA and RNA are

2019
easy
mcq

Match the following genes of the Lac operon with their respective products:<table class="pyq-table"><tbody><tr><th></th><th>Column-I</th><th></th><th>Column-II</th></tr><tr><td>$(a)$</td><td>i gene</td><td>$(i)$</td><td>ß-galactosidase</td></tr><tr><td>$(b)$</td><td>z gene</td><td>$(ii)$</td><td>Permease</td></tr><tr><td>$(c)$</td><td>a gene</td><td>$(iii)$</td><td>Repressor</td></tr><tr><td>$(d)$</td><td>y gene</td><td>$(iv)$</td><td>Transacetylase</td></tr></tbody></table> Select the correct option.

2019
medium
mcq