Question Pool Molecular Basis of Inheritance

Molecular Basis of Inheritance - SAMAGRA Question Pool & Answers | Class 12

Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 12 Biology Molecular Basis of Inheritance

BrainsPrep Logo


Qn 1.

Differentiate between euchromatin and heterochromatin



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 2.

Chromatins are lengthy molecules but then compactly arranged in Nucleus. Give a comment on this and explain the role of Histone proteins for this package

 



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 3.

The double stranded structure of DNA proposed by Watson and Crick. Make a short note on the Structure of DNA.



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 4.

Expand the following

a. BAC b. YAC



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 5.

In prokaryotes and eukaryotes structural genes are two types. Name the two types and briefly explains them.


 



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 6.

The RNA polymerase catalysis transcription is in one direction. Give reason for it and briefly explain it

 



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 7.

In DNA replication is bidirectional way of new strand synthesis. Fill the followings

a. 5' ........3'    is     .............. strand

b. 3' ........5'    is     .............. strand



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 8.

Number of base pairs that can be held by the Nucleosome is

( 300bp, 50bp, 200bp, 100bp)



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 9.

Name the scientist proposed the transforming principle



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 10.

Pick out the odd one

( UAA, UAG, AUG, UGA)



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 11.

In RNA insted off Thymine .......................... Nucleotide seen

( Adenine, Guanine, Thymine, Uracil)



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 12.

The process off protein synthesis in cell is named as

( Transciption, Translation, Transformation, Replication)



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 13.

Llist the salient features of genetic code.



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 14.

Choose the correct answer from the brackets

    (Transcription  , transcription  ,reverse transcription )



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 15.

Give full form of the following abbreviations

1.BAC

2.HGP

3.YAC

4.ESTs.

5.SNPs.

6.VNTR



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 16.

List out any six salient features of HGP



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 17.

List out the application of HGP



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 18.

Complete the table

Enzyme

Function

DNA Ligase

------------------

---------------------------

Transcription

Restriction endonuclease

Digestion of DNA

DNA Polymerase

---------------------------

------------------------------

Unwinding of DNA strand

  • Answer)
    Download App and View Complete Answer for FREE


    Download BrainsPrep

    Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


    BrainsPrep Logo
    Qn 19.

    Write the applications of DNA fingerprinting.



    Download BrainsPrep

    Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


    BrainsPrep Logo
    Qn 20.

    Various steps of DNA fingerprinting is given below arrange them in proper order.

    (i) isolation of DNA,

    (ii) separation of DNA fragments by electrophoresis,

    (iii) detection of hybridised DNA fragments by autoradiography.

    (iv) digestion of DNA by restriction endonucleases,

    (v) hybridisation using labelled VNTR probe,

    (vi) transferring (blotting) of separated DNA fragments to synthetic



    Download BrainsPrep

    Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


    BrainsPrep Logo
    Qn 21.

    Observe the diagram and give the answers

     

    (a) Name the process .

    (b)  a, b and c are the steps of this process, identify them.



    Download BrainsPrep

    Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


    BrainsPrep Logo
    Qn 22.

    Mention the main three linkages  present in a nucleotide of DNA?

     



    Download BrainsPrep

    Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


    BrainsPrep Logo
    Qn 23.

    Describe the termination process of transcription in bacteria.



    Download BrainsPrep

    Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


    BrainsPrep Logo
    Qn 24.

    The percentage of nucleotide A in DNA isolated from human liver is observed to be 30.7%, What is the expected percentage of a)T, b)G, c)C



    Download BrainsPrep

    Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


    BrainsPrep Logo
    Qn 25.

    Note the relation between the first two and find the missed  one.

    i)Operon concept: Jacob and Monad : :Central dogma:_______

    ii)Polymerase I: rRNA :: RNA Polymerase II:_____________

    iii)Termination codon: UAG ::  Intiation codon :______________



    Download BrainsPrep

    Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


    BrainsPrep Logo
    Qn 26.

    Genetic information is copying from one strand of DNA to RNA by an important process

     (a) Name the process mentioned here?

    (b) Which are the steps involved in this process?



    Download BrainsPrep

    Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


    BrainsPrep Logo
    Qn 27.

    Complete the Table

    HERSHEY&CHASE

    -----------------A---------

    ------------B-------

    Transforming Principle

    WATSON&CRICK

    -------------C---------

    ----------------D-----------

    Artificial synthesis of RNA



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 28.

During transcription, one of the DNA strand act as template strand.

a. Name the opposite strand ?

b. What will happen if two of the strands are acting as template ?



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 29.

DNA act as a better genetic material compared to RNA.Justify your answer.



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 30.

  

A strand of DNA has the sequence

 3’ GGTATATCCGGG  AAATTC '5

a)Give the complementary DNA sequence 

b)Give the mRNA sequence that would be produced from this strand and the direction of transcription.

  



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 31.

Define the term Nucleoid.



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 32.

List out any four salient features of DNA.



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 33.

Explain Erwin Chargaff's observation about base pairing in DNA.



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Qn 34.

Choose the number of base pairs present in the Lambda bacteriophage and E- coli

( 5386 , 3.3 x 109 , 48502, 4.6 x10)



Download BrainsPrep

Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 12 Tuition


BrainsPrep Logo
Class 10 English Medium SAMAGRA Question Pool Click here
Class 10 - Malayalam Medium SAMAGRA Question Pool Click here
Class 9 English Medium SAMAGRA Question Pool Click here
Class 11 SAMAGRA Question Pool Click here
Class 12 SAMAGRA Question Pool Click here
BrainsPrep Logo