12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A
Published on: 27/08/2019
Zoology - Molecular Genetics
Download Tamil Nadu 12th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Biology Test1.
One difference between deoxyribose and Ribose is due to________.
One Oxygen atom more in Ribose
Two Oxygen atoms less in Deoxyribose
Two Carbon atoms less in Ribose
Four Carbon atoms more in Ribose
2.
___________ used radioactive labelled molecules to prove that DNA is the genetic material.
Hershey and Chase
Wilkins and Franklin
Griffith
Mcleod and Avery
3.
Human Genome was sequenced in ________.
1979
2015
1989
2001
4.
The experiment conducted by Griffith was based on_________.
Transduction
Replication
Transformation
Conjucation
5.
Griffith's experiments proved that _________.
RNA is involved in protein synthesis
Bacteria undergoes asexual reproduction
DNA is the genetic material
DNA is made of two strands
6.
The term nucleic acid was coined by ________.
Miescher
Hofmeister
Altman
Mcleod
7.
Chromosomes were first observed by ________.
Miescher
Hofmeister
Avery
Griffith
8.
What is the basis for the difference in the synthesis of the leading and lagging strand of DNA molecules?
Origin of replication occurs only at the 5' end of the molecules
DNA ligase works only in the 3' → 5' direction
DNA polymerase can join new nucleotides only to the 3' end of the growing stand.
Helicases and single-strand binding proteins that work at the 5' end
9.
DNA and RNA are similar with respect to _____.
Thymine as a nitrogen base
A single-stranded helix shape
Nucleotide containing sugars, nitrogen bases and phosphates
The same sequence of nucleotides for the amino acid phenyl alanine
10.
Hershey and Chase experiment with bacteriophage showed that ______.
Protein gets into the bacterial cells
DNA is the genetic material
DNA contains radioactive sulphur
Viruses undergo transformation
11.
Initiation complex
12.
VNTR
13.
Lac Operon
14.
SNPs
15.
PCR
16.
_____________ is the monomer of DNA.
17.
Specific sequences of mRNA that are not translated are _____________
18.
Approximate count of base pair in human genome is _________
19.
Goldberg - Hogness box of eukaryotes is equivalent to__________ of prokaryotes.
20.
Retroviruses possess __________ as genetic material.
1.
(a)
One Oxygen atom more in Ribose
2.
(a)
Hershey and Chase
3.
(d)
2001
4.
(c)
Transformation
5.
(c)
DNA is the genetic material
6.
(c)
Altman
7.
(b)
Hofmeister
8.
(c)
DNA polymerase can join new nucleotides only to the 3' end of the growing stand.
9.
(c)
Nucleotide containing sugars, nitrogen bases and phosphates
10.
(b)
DNA is the genetic material
11.
GTP
12.
Genetic markers
13.
Polycistronic gene
14.
Snips
15.
DNA amplification
16.
( )
Nucleotide
17.
( )
UnTranslated Regions (UTR)
18.
( )
3 x 109 bp
19.
( )
Pribnow box
20.
( )
RNA
12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு எடுத்துக்காட்டுகள் மற்றும் நெறிமுறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications PHP-உடன் MySQL-ஐ இணைத்தல் Sample Question Papers Study Material - QB365 Set A
Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
English
French
Tamilnadu Stateboard Standards
