BIOTECHNOLOGY biology MCQ’s questions answers

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BIOTECHNOLOGY

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Maturation of proinsulin into insulin takes place after .....[AMU 2011]
A
Joining of c-peptide
B
Removal of c-peptide
C
Removal of disulphide bridge
D
Addition of disulphide bridge
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Stirred-tank bioreactors have been designed for .....[CBSE 2010]
A
Purification of the product
B
Ensuring anaerobic conditions in culture vessel
C
Addition of preservatives to the product
D
Availability of oxygen throughout the process
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A mixture of DNA fragments, A, B, C and D with molecular weights A+B=C, A$>$B and nD$>$C, was subjected to agarose gel electrophoresis. The position of these fragments from cathode to anode sides of gel should be:
A
B, A, C, D
B
A, B, C, D
C
C, B, A, D
D
B, A, D, C.
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Flavr Savr Tomato has increased .....[MHT CET 2011]
A
Productivity
B
Vigour
C
Shelf life
D
Flowering period
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Complementary, synthetic and random DNAs are used as .....[CET Chd 2011]
A
Cloning vectors
B
Passenger DNA
C
Recombinant DNA
D
Transposons
There are 5 questions to complete.

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