CBSE Class 12 Biotechnology Principles and Processes Multiple Choice Questions with Answers. MCQ Questions Class 12 Biotechnology Principles and Processes with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT MCQ questions Class 12 Biotechnology Principles and Processes with Answers to know their preparation level.
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MCQ Questions Class 12 Biotechnology Principles and Processes with Answers - Set - 3
Question 1:
The DNA molecule to which the gene of interest is integrated for cloning is called
(a) template
(b) carrier
(c) transformer
(d) vector.
Correct Answer – (D)
Question 2:
DNA element with ability to change its position is called:
(a) Cistron
(b) Transposon
(c) Intron
(d) Ricon
Correct Answer – (C)
Question 3:
Triticale, first man made cereal crop, has been obtained by crossing wheat with:
(a) Rye
(b) Pearl millet
(c) Sugarcane
(d) Barley
Correct Answer – (D)
Question 4:
Restrictipn endonucleases are most widely used in recombinant DNA technology. They are obtained from :
(a) Plasmids
(b) AH prokaryotic cells
(c) Bacteriophages
(d) Bacterial cells
Correct Answer – (D)
Question 5:
Plasmid is a:
(a) Fungus
(b) Plasmid
(c) Part of Plasma membrane
(d) Extra chromosomal DNA in bacterial cell
Correct Answer – (D)
MCQ Questions Class 12 Biotechnology Principles and Processes With Answers
Question 6:
c-DNA probes are copied from the messenger RNA molecules with the help of
(a) restriction enzymes
(b) reverse transcriptase
(c) DNA polyermase
(d) adenosine deaminase
Correct Answer – (B)
Question 7:
Viral genome incorporated into host DNA is called:
(a) Prophase
(b) Protophage
(c) Bacteriophage
(d) None of these
Correct Answer – (C)
Question 8:
Golden rice is a promising transgenic crop. When released for cultivation, it will help in :
(a) High lysin content
(b) Pest resistance
(c) High protien content
(d) High vitamin A content
Correct Answer – (D)
Question 9:
Restriction endonuclease cuts:
(a) One stand of DNA at specific site
(b) Both strands of DNA
(c) Both strands of DNA at any site
(d) Single strand of RNA
Correct Answer – (B)
Question 10:
Two microbes found tb be very useful in Genetic Engineering are:
(a) Excherichia coli and Agrobacterium tumefaciens
(b) Vibrio cholarae and a tailed bacteriophage
(c) Diplococcus sp. and Pseudomonas sp.
(d) Crown gall bacterium and Caenorhabdities elegans
Correct Answer – (A)
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