NEET Biology is the scoring paper in the medical entrance examination. Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Biology Plasmid Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.
MCQs on Plasmid
1. Which of the following gene helps in identifying transformed cells?
(a) plasmid
(b) selectable marker
(c) structural gene
(d) vector
Answer
Answer: (b)
2. If the plasmid and the foreign DNA are cut by the same restriction endonuclease, recombinant DNA can be formed by joining both by
(a) Polymerase III
(b) EcoRI
(c) Ligase
(d) Taq polymerase
Answer
Answer: (c)
3. Find the incorrect statement about plasmids
(a) they are circular
(b) they replicate independently
(c) they are transferrable
(d) they are single stranded
Answer
Answer: (d)
4. The DNA molecule used for integrating foreign gene for cloning is called
(a) vector
(b) carrier
(c) template
(d) transformer
Answer
Answer: (a)
5. Which one of the following is correct for the plasmid pBR322 of E.coli.?
(a) ampR and tetR – antibiotic resistance genes
(b) Hind III and EcoRI – selectable markers
(c) rop – reduced osmotic pressure
(d) ori – original restriction enzyme
Answer
Answer: (a)
6. The Ti plasmid is found in
(a) Agrobacterium
(b) Yeast as a 2mm plasmid
(c) Rhizobium of the roots of leguminous plants
(d) Azotobacter
Answer
Answer: (a)
7. Replication of plasmid DNA other than initiation is controlled by
(a) bacterial gene
(b) mitochondrial gene
(c) plasmid DNA
(d) none of these
Answer
Answer: (a)
8. Antibiotics are used in genetic engineering. They are useful
(a) to keep culture free of microbial infections
(b) to select healthy vectors
(c) to identify replication start sites
(d) as selectable markers
Answer
Answer: (d)
9. A single-stranded, radiolabelled molecule of nucleic acids is called
(a) plasmid
(b) vector
(c) probe
(d) selectable marker
Answer
Answer: (c)
10. A vector that can clone only a small DNA fragment is
(a) cosmid
(b) plasmid
(c) Yeast artificial chromosome
(d) Bacterial artificial chromosome
Answer
Answer: (b)