Biology questions
20584 published questions with worked solutions.
- The two main techniques that gave birth to modern biotechnology are
- The key tools required for the recombinant DNA technology are
- Which of the following steps are involved in the process of recombinant biotechnology? Arrange in correct order. 1. Extraction of...
- Which enzymes is/are used to convert the cohesive ends of DNA into blunt ends?
- In recombinant DNA technique, the term 'vector' refers to a
- The construction of the first recombinant DNA was done by using the native plasmid of
- Who discovered recombinant DNA (rDNA) technology?
- The cosmid have the capacity to transfer DNA of about
- Cosmid is a
- There is a restriction endonuclease called Eco RI. What does 'co' part in it stand for?
- What is true for plasmid?
- Restriction enzymes are used to cut
- The vector for T-DNA is
- Large amount of DNA can be transferred using which of these vectors?
- The bacterium Bacillus thuringiensis is widely used in contemporary biology as an
- Which one of the following is commonly used in transfer of foreign DNA into crop plants?
- Which one of the following is regarded as a molecular scissor in biotechnology?
- The restriction enzyme responsible for the cleavage of following sequence is 5′ − G − T − C − G − A − C − 3′ 3′ − C − A − G − C −...
- Restriction endonucleases are enzymes which
- Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction...