1. Western Blotting is the technique for detection of
- 1) Specific glycolipid in the sample
- 2) Specific protein in the sample
- 3) Specific RNA in the sample
- 4) Specific DNA in the sample
Answer: 2)
Explanation: Specific protein in the sample
2. The process of recombination in prokaryotes takes place in this way
- 1) All of the above
- 2) Transformation
- 3) Transduction
- 4) Conjuction
Answer: 1)
Explanation: Transformation, Transduction, Conjuction All.
3. The unpacked stretches of DNA are the extra chromosomal load found in the eukaryotic genome
Answer: 2)
Explanation: Linker DNA is the stretches of DNA that are not packed into a nucleosome. Typically these are the regions engaged in gene expression, replication and recombination and are generally associated with non – histone proteins.
4. Which are the solid state bioreactors?
- 1) Both Stirred tank bioreactor and Rotating drum fermenter
- 2) Tray fermenter
- 3) Rotating drum fermenter
- 4) Stirred tank bioreactor
Answer: 1)
5. What crucial feature of a penicillin involves in its mechanism of action
- 1) Thiazolidine ring
- 2) Acyl side chain
- 3) B-Lactam ring
- 4) Carboxylic acid
Answer: 3)
6. Which one of the following is the most abundant Plasma Protein
- 1) Fibrinogen
- 2) Immunoglobulin
- 3) Albumin
- 4) Alpha acid glycoprotein
Answer: 3)
7. Point mutation involves
- 1) Change in single base pair
- 2) deletion
- 3) insertion
- 4) duplicaiton
Answer: 1)
8. X rays causes mutation by
- 1) base substitution
- 2) transversion
- 3) deletion
- 4) transtion
Answer: 3)
9. Natural killer cells are found in all of the following except
- 1) lymph nodes
- 2) thymus
- 3) spleen
- 4) blood
Answer: 2)
10. Auto immunity develops due to
- 1) loss of plasma cells
- 2) loss of T cells
- 3) loss of B cells
- 4) loss of immunological tolerance
Answer: 4)
