1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following combination of bacterial strains used by Griffith, when injected to mice will NOT kill them?

A

Heat killed ' R '+ Live ' S '

B

Live ' R ' + Live ' S '

C

Live 'S' + Heat killed 'S'

D

Live ' R ' + Heat killed ' S '

2
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Select the INCORRECT statement.

A
UTRs are untranslated additional sequences on mRNA.
B
UTRs are present only at $5^{\prime}$ end on mRNA.
C
UTRs are present at both $5^{\prime}$ and $3^{\prime}$ :end on mRNA.
D
UTRs are required for efficient translation.
3
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Match the process in Column I with the action in Column II.

Column I
Column II
i. Tailing a. Removal of introns
ii. Capping b. Polyadenylation
iii. Translocation c. Addition of $\mathrm{mG}_{\mathrm{ppp}}$ at $5^{\prime}$ end of hnRNA
iv. Splicing d. Movement of ribosome on mRNA.
Choose the correct match from the options given below.
A
i-b ii - c iii - a iv - d
B
i-b ii -a iii - c iv - d
C
i-b ii -c iii - d iv -a
D
i - a ii - b iii - c iv - d
4
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is the role of SSBP's during DNA replication?

A
Formation of phosphodiester bond near point ' T '.
B
Formation of phosphodiester bond near point ' O '.
C
Prevention of recoiling of separated DNA strands.
D
Joining the separated strand and restoring the double stranded nature of DNA.

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