Biology Test 309

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Biology Test 309

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Weekly Quiz Competition

Question 1
4 / -1

Which of the following not occur in 5’ to 3’ direction?

A
transcription

B
translation

C
replication

D
non of the above

Solution

DNA replication, transcription and translation occur in 5’ to 3’ direction
Question 2
4 / -1

Which of the following process not have basis complimentary base pairing-

A
PCR

B
transcription

C
DNA replication

D
translation

Solution

translation is sequencing amino acid according to sequence of Nitrogenous bases
Question 3
4 / -1

DNA of nucleoid is present in form of –

A
chromatin

B
small loops held by proteins

C
large loops held by proteins

D
small loops held by histones
Question 4
4 / -1

Directions For Questions

Which of the following is correctly matched-

(A) mRNA – provides template

(B) tRNA – reads genetic code in protein synthesis

(C ) rRNA – strucutural role in protein synthesis

(D ) rRNA- catalytic role

(E) tRNA – brings amino acid

...view full instructions

How many of the following is correctly matched-

A
A,B , D and E

B
A,B,C and E

C
A, B , D and C

D
A,B,C,D and E
Question 5
4 / -1

Mark the incorrect –

A
transcription and translation is coupled in prokaryotes

B
principle of complimentarity governs the process of transcription

C
The template with 3’ to 5’ polarity show discountinuos DNA replication

D
In Transcription and DNA replication DNA is template

Solution

The template with 3’ to 5’ polarity show countinuos DNA replication –
Question 6
4 / -1

Considering DNA replication is semiconsevative if two cell with N15 DNA on both strand is grown on source with N14 DNA for three generation than percentage of N14 N15 DNA is-

A
25 percent

B
50 percent

C
75 percent

D
100 percent

Solution

total 16 cell and 4 cell with N14 N15 DNA
Question 7
4 / -1

The beads on sting structure in ………………. Is packaged to form ……………… that further condensed in metaphase stage

A
chromatin fibre , chromatin

B
chromatin and chromatin fibre

C
nucleosome , chromatin fibre

D
nucleosome, chromatin
Question 8
4 / -1

Which of the following not present in RNA-

A
Damage repair

B
2’-H in sugar

C
catalytically activity

D
both 1 and 2

Solution

RNA evolve into DNA by chemical modification and further evolving repair
Question 9
4 / -1

At stop codon which of the following binds-

A
tRNA without amino acid

B
release factor

C
both 1 and 2

D
non of the above
Question 10
4 / -1

Which of the following is gene-

A
segment of DNA code for mRNA

B
segment of DNA code for hnRNA

C
segment of DNA code for UTR

D
all of the above

Solution

segment of DNA code for any type of RNA

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Biology Test 309

Result

Biology Test 309

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Rank

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SHARING IS CARING

Question 1

transcription

translation

replication

non of the above

Solution

Question 2

PCR

transcription

DNA replication

translation

Solution

Question 3

chromatin

small loops held by proteins

large loops held by proteins

small loops held by histones

Question 4

A,B , D and E

A,B,C and E

A, B , D and C

A,B,C,D and E

Question 5

transcription and translation is coupled in prokaryotes

principle of complimentarity governs the process of transcription

The template with 3’ to 5’ polarity show discountinuos DNA replication

In Transcription and DNA replication DNA is template

Solution

Question 6

25 percent

50 percent

75 percent

100 percent

Solution

Question 7

chromatin fibre , chromatin

chromatin and chromatin fibre

nucleosome , chromatin fibre

nucleosome, chromatin

Question 8

Damage repair

2’-H in sugar

catalytically activity

both 1 and 2

Solution

Question 9

tRNA without amino acid

release factor

both 1 and 2

non of the above

Question 10

segment of DNA code for mRNA

segment of DNA code for hnRNA

segment of DNA code for UTR

all of the above

Solution

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