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Molecular Basis Of Inheritance

394 Questions Start Allen Test
All Exams Allen
Q326 Allen NCERT BASED QUESTIONS MCQ
Which of the following cell cycle event is responsible for polyploidy phenomenon:-
A.
Failure of karyokinesis
B.
Failure of cytokinesis
C.
Failure of segregation
D.
Failure of non-disjunction
Q327 Allen NCERT BASED QUESTIONS MCQ
Regarding to role of RNA in protein synthesis find out the odd one:-
A.
m-RNA - provides the template
B.
t-RNA - brings amino acids
C.
r-RNA - read genetic code
D.
sn-RNA splicing
Q328 Allen NCERT BASED QUESTIONS MCQ
A m-RNA also has some additional sequences that are not translated called UTR. The function of UTR is :-
A.
Charging of t-RNA
B.
Formation of peptide bond
C.
Helps in efficient translation
D.
Helps in translocation
Q329 Allen NCERT BASED QUESTIONS MCQ
The t-RNA move away from ribosomes after translocation of ribosome in relation to m-RNA, is known as :-
A.
Acylated t-RNA
B.
Peptidyl t-RNA
C.
Deacylated t-RNA
D.
Charged t-RNA
Q330 Allen NCERT BASED QUESTIONS MCQ
The repressor of the operon is synthesized
A.
All the time
B.
Certain time
C.
Non constitutively
D.
None of these
Q331 Allen NCERT BASED QUESTIONS MCQ
HGP was closely associated with the rapid development of a new area in biology called as :-
A.
Biofortification
B.
Bioinformatics
C.
Biomining
D.
Biotransformation
Q332 Allen NCERT BASED QUESTIONS MCQ
Which of the following is not a goal of HGP?
A.
Identify all the approximately 20,000- 25,000 genes
B.
Store this information in database
C.
Restrict the related technologies so that other sector do not benefited with it
D.
Address the ethical, legal and social issues BMI332
Q333 Allen NCERT BASED QUESTIONS MCQ
The human genome project was coordinated by :-
A.
U.S. department of energy
B.
National institute of health
C.
Sanger centre
D.
Both (1) and (2)
Q334 Allen NCERT BASED QUESTIONS MCQ
Which of the following organism was not used as model organism is human genome project ?
A.
Arabidopsis
B.
Caenorhabditis elegans
C.
Rice
D.
Hyacinthus orientalis
Q335 Allen NCERT BASED QUESTIONS MCQ
Approach of HGP focused on identifying all the genes that expressed as RNA is known as:-
A.
Expressed sequence tags
B.
Sequence annotation
C.
Polymerase chain reaction
D.
Dermatoglyphics
Q336 Allen NCERT BASED QUESTIONS MCQ
Automated DNA sequencers worked on the principle of a method developed by:-
A.
Watson
B.
Chargaff
C.
Frederick Sanger
D.
Singer and Nicolson
Q337 Allen NCERT BASED QUESTIONS MCQ
Regarding to salient features of human genome select out the incorrect one:-
A.
Human genome contains 3164.7 million nucleotide bases.
B.
Human genome contain 30,000 genes.
C.
Y-chromosome has largest number of genes.
D.
1.4 million locations are associated with SNPs.
Q338 Allen NCERT BASED QUESTIONS MCQ
Match the following :-
Column-IColumn-II
(a)SNPs
(b)Genes of chromosome No. 1
(c)Total No. of Human genes
(d)Total nucleotides of human genome
(i)3164.7 million
(ii)1.4 million
(iii)30000
(iv)2968
A.
a-ii, b-iii,c-iv, d-i
B.
a-ii, b-iv, c-iii,d-i
C.
a-ii, b-iv, c-i, d-iii
D.
a-iv, b-ii, c-iii,d-i
Q339 Allen NCERT BASED QUESTIONS MCQ
If an inheritable mutation is observed in a population at high frequency, it is referred as:-
A.
DNA polyploidy
B.
DNA polymorphism
C.
DNA redundancy
D.
Sequence annotation
Q340 Allen NCERT BASED QUESTIONS MCQ
What is the basis of heredity?
A.
Variations
B.
Inheritance
C.
Genetics
D.
Recombination
Q341 Allen NCERT BASED QUESTIONS MCQ
Which of the following is not the feature of human genome?
A.
Less than 2 percent of the genome code for protein
B.
Chromosome 1 has fewest gene (231)
C.
Repetitive sequences make up very large portion of human genome
D.
The functions are unknown for over 50% of the discovered genes
Q342 Allen ANALYTICAL QUESTIONS MCQ
A point mutation which involves change of Aā†’G, Cā†’T, Cā†’G and Tā†’A in DNA are :-
A.
Transition, Transition, Transversion, Transversion
B.
Transition, Transversion, Transition, Transversion
C.
Transversion, Transition, Transversion, Transition
D.
None of the above
Q343 Allen ANALYTICAL QUESTIONS MCQ
A segment of DNA has a base sequence : AAG, GAG, GAC, CAA, CCAā€“, Which one of the following sequence represents a frame shift mutation :-
A.
AAG, GAG, GAC, CAA, CCAā€“
B.
AAG, AGG, ACC, AAC, CAā€“
C.
ACG, GAG, GAC, CAG, CCā€“
D.
AAG, GCG, GAC, CAG, CCā€“
Q344 Allen ANALYTICAL QUESTIONS MCQ
If the DNA-codons are ATGATGATG and a cytosine base is inserted at the beginning which of the following would be the result:-
A.
A non-sense mutation
B.
CA, TGA, TGA, TG
C.
CAT, GAT, GAT, G
D.
C, ATG, ATG, ATG
Q345 Allen ANALYTICAL QUESTIONS MCQ
A completely radioactive double stranded DNA molecule undergoes two rounds of replication in a non-radioactive medium. What will be the radioactive status of the four daughter molecules?
A.
All four still contain radioactivity
B.
Radioactivity is lost from all four
C.
Out of four, three contain radioactivity
D.
Half of the number contain no radioactivity
Q346 Allen ANALYTICAL QUESTIONS MCQ
Consider the following sequence on m-RNA AUGGCAGUGCCA. Assuming that genetic code is overlap then how many number of codon may be present on this genetic code :-
A.
9
B.
10
C.
8
D.
11
Q347 Allen ANALYTICAL QUESTIONS MCQ
A normal DNA molecule is continuously replicate in ${ \mathsf { N } } ^ { 1 5 }$ medium than what is the % of lighter DNA in $4 ^ { \mathrm { t h } }$ generation?
A.
12Ā·5%
B.
25%
C.
0%
D.
6Ā·25%
Q348 Allen ANALYTICAL QUESTIONS MCQ
Find out the sequence of binding of the following amino acyl - t-RNA complexes during translation to an m-RNA transcribed by a DNA segment having the base sequence.
3' ATACCCATGGGG 5'. Choose the answer showing the correct order of alphabets:ā€”
(a)

(b)

(c)

(d)
A.
a, b, c, d
B.
d, a, b, c
C.
a, b, d, c
D.
b, a, c, d
Q349 Allen ANALYTICAL QUESTIONS MCQ
KHORANA synthesized two RNAs (a) with repeat sequence of AB and (b) with repeat sequence of ABC the polypeptides coded by (a) and (b) are respectively :-
A.
Homopolypeptides in both (a) and (b)
B.
Heteropolypeptides in both
C.
Homopolypeptide in (a) & heteropoly peptide in (b)
D.
Heteropolypeptide in (a) & homopoly peptide in (b)
Q350 Allen ANALYTICAL QUESTIONS MCQ
Which of the following m-RNA will be translated completely?
(A) 5' AUG UGA UUA AAG AAA 3'
(B) 5' AUG AUA UUG CCC UGA 3'
(C) 5' AGU UCC AGA CUC UAA 3'
(D) 5' AUG UAC AGU AAC UAG 3'
A.
(A) and (B)
B.
(B) and (D)
C.
(C) and (D)
D.
(A) and (D)