Tag: asexual modes of reproduction

Questions Related to asexual modes of reproduction

Amplification of gene of interest by using PCR may go upto

  1. 0.1 million

  2. 1.0 million

  3. 1.0 billion

  4. 1.0 trillion


Correct Option: C

At which temperature a DNA molecule is denatured by heat in PCR

  1. 70$^o$ -  80$^o$C

  2. 90$^o$ - 95$^o$C

  3. 42$^o$C

  4. 50$^o$ - 65$^o$C


Correct Option: B

Taq polymerase is isolated from which bacteria?

  1. E. coli

  2. Bacillus thuringiensis

  3. Thermus aquaticus

  4. Agrobacterium


Correct Option: C

Polymerase chain reaction (PCR) is used for

  1. In vivo replication of specific DNA sequence using thermostable DNA polymerase

  2. In vitro synthesis of mRNAIn vivo synthesis of mRNA

  3. In vitro replication of specific DNA sequence using thermostable DNA polymerase

  4. Separation of DNA fragments according to their size


Correct Option: C

DNA is amplified by __________________.

  1. PCR technique

  2. Southern Blotting technique

  3. Northern Blotting technique

  4. Nucleic acid hybridization technique


Correct Option: A

Which one of the following enzymes is used in PCR reaction?

  1. Taq polymerase

  2. RNA polymerase

  3. Rib nuclease

  4. End nuclease


Correct Option: A

Polymerase chain reaction technique is used for.

  1. DNA amplification

  2. Screening gene libraries

  3. Synthesis of polymerase

  4. DNA sequencing


Correct Option: A