Download App

STD 12 - 9. biotechnology principlas and process — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 9. biotechnology principlas and process1 Mark
MCQ
Which one is a true statement regarding $DNA$ polymerase used in polymerase chain reaction?
  • ✓
    $DNA$ polymerase is responsible for $DNA$ synthesis
  • B
    It is isolated from Protozoa
  • C
    It is serves as a selectable marker
  • D
    It is used to ligate introduced $DNA$ in recipient plant cell
✓

Answer

Correct option: A.
$DNA$ polymerase is responsible for $DNA$ synthesis
a
$DNA$ polymerase which is stable at high temperature $\left(>90^{\circ} \mathrm{C}\right)$ is required to carry out the synthesis of new $DNA$. The $DNA$ polymerase like Taq polymerase is generally used in $PCR$ reactions which is isolated from a bacterium Thermus aquaticus

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from STD 12 - 9. biotechnology principlas and process→STD 12 - 9. biotechnology principlas and process — all question types→Biology STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

The bottled juices are clarified by the use ofPectinases
→
Maize hybrids developed by biofortification technique was mainly done to improve which of the following micronutrients?
→
In plants meiosis occurs in
→
Which of the following statements are correct?

$i. r-RNA$ provides the template for synthesis of proteins.

$ii.$$ t-RNA$ brings amino acids and reads the genetic code.

$iii. $$RNA$ polymerase binds to promoter and initiates transcription.

$iv. $A segment of $DNA$ coding for polypeptide is called intron.

→
The scientific name of Javaman is:
→
In ecological pyramid the base always represent the $...A...$ and the apex represents $...B...$ Here $A$ and $B$ represents
→
Which have been extincted in the last 500 years by over exploitation among followings:
→
- Physical, psychomotor and mental development is retarded.

- Palm is broad with characteristic palm crease, this symptoms shows....

→
Take the odd one out.
→
Which sequence of biomes did the ecologist most likely pass through while driving from the lowest elevation to the highest elevation of this mountain ?
→