Plasmids

Q.

⁠⁠⁠⁠How are plasmids shared between bacteria?

Q.

The DNA molecule to which the gene of interest is integrated for cloning is called

1. Transformer

2. Template

3. Vector

4. Carrier

Q. Which of the following statement about plasmids is true?

1. Plasmid DNA is like phage DNA and needs the bacterial genome for replication
2. Each bacterial cell can have only one plasmid
3. Conjugation is the only natural process through which plasmids can be transferred from one bacteria to another
4. All plasmids confer antibiotic resistance to the host bacteria

Q. Which of the following is the by-product of fermentation process?

1. Sugar
2. Yeast
3. Oxygen
4. Alcohol

Q.

Do plasmids have DNA?

Q. In recombinant DNA technique the term vector refers to

1. plasmids that can transfer foreign DNA into a living cell
2. cosmids that can cut DNA at specific base sequence
3. plasmids that can join difference DNA fragments
4. cosmids that can degrade harmful proteins

Q. Which of the following is a plasmid?

1. pBR322
2. Bam HI
3. Sal I
4. Eco RI

Q.

What is true about recombinant DNA technology?

1. There is no use of DNA ligase

2. All of the above

3. Foreign gene will always multiply when inserted in host DNA
   

4. Antibiotic-resistant genes can be inserted into a bacteria using r-DNA technology.

Q. Which of the following organelles is related to genetic engineering?

1. Plastids
2. Plasmids
3. ribosomes
4. lysosomes

Q. Which of the following is not a feature of the plasmids?

1. Independent replication
2. Circular structure
3. Transferable
4. Single-stranded

Q. Bacterial exposure is one of the steps in processing of tea leaves.

1. True
2. False