What Is a Vector

Q. The DNA molecules to which the gene of interest is integrated for cloning is called:

1. Carrier
2. Transformer
3. Vector
4. Template

Q.

The vector of T-DNA is

1. Thermus aquaticus

2. Salmonella typhimurium

3. Agrobacterium tumefaciens

4. Escherichia coli

Q. In genetic engineering, gene of interest is transfered to the targetted organism by .

1. carrier
2. vector
3. transporter
4. conjugater

Q. Identify the correct sequence of tools used in genetic engineering.

1. Restriction enzymes $\to$ Ligase $\to$ Vectors $\to$ Markers
2. Restriction enzymes $\to$ Vectors $\to$ Ligase $\to$ Markers
3. Markers $\to$ Restriction enzyme $\to$ Vectors $\to$ Ligase
4. Vectors $\to$ Restriction enzymes $\to$ Ligase $\to$ Markers

Q. Microbes found to be very useful in genetic engineering are

1. Escherichia coli and Agrobacterium tumefaciens
2. Vibrio cholerae and a tailed bacteriophage
3. Diplococcus sp. and Pseudomonas sp.
4. Crown gall bacterium and Caenorhabditis elegans

Q. In the process of recombinant DNA technology, the isolated foreign DNA is inserted in to another DNA molecule known as

1. vector
2. GMO
3. Protein vector
4. DNA finger print

Q. Plasmid containing penicillinase gene is present in all strains of E. coli.

1. True
2. False

Q. Which of the following is commonly used as vector for introducing a DNA fragment in human lymphocytes?

1. $\lambda$phage
2. Ti plasmid
3. Retrovirus
4. pBR 322