UNIT VIII: Biotechnology - Online Test
Q1. Genetic engineering is possible because
Answer : Option D
Explaination / Solution:
No Explaination.
Q2. Genetic Engineering is
Answer : Option B
Explaination / Solution:
No Explaination.
Q3. Ligase is used for
Answer : Option A
Explaination / Solution:
No Explaination.
Q4.
In genetic engineering, gene of interest
is transferred to the host cell through a vector. Consider the following four
agents (1-4) in this regard and select the correct option about which one or
more of these can be used as vectors
1. A bacterium 2. Plasmid 3. Plasmodium
4. Bacteriophage
Answer : Option B
Explaination / Solution:
No Explaination.
Q5.
Given below is a sample of a portion of
DNA strand giving the base sequence on the opposite strands. What is so special
shown in it?
Answer : Option A
Explaination / Solution:
No Explaination.
Q6. There is a restriction endonuclease called EcoRI. What does “co” part in it stand for ?
Answer : Option C
Explaination / Solution:
No Explaination.
Q7.
The figure below is the diagrammatic representation of the vector pBR322. Which one of the given options correctly identifies its certain components?
Answer : Option D
Explaination / Solution:
No Explaination.
Q8. A mixture containing DNA fragments a,b,c,d with molecular weights of a+b=c, a>b and d>c, was subjected to agarose gel electrophoresis. The position of these fragmets from cathode to anode sides of the gel would be
Answer : Option A
Explaination / Solution:
No Explaination.
Q9. An analysis of chromosomal DNA using the southern hybridisation technique does not use
Answer : Option D
Explaination / Solution:
No Explaination.
Q10. The colonies of recombinant bacteria appear white in contrast to blue colonies of non- recombinant bacteria because of
Answer : Option C
Explaination / Solution:
No Explaination.
