Class 10 Biology Exam MCQs – Practice Test 4 (Chapter 1)

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Biotechnology MCQs – Practice Test 4 PDF Download

MCQ 16: Ligase belongs to which category of enzymes?

breaking enzyme
joining enzyme
releasing enzyme
removing enzyme

MCQ 17: Recombinant DNA is a combination of the gene of interest and:

growth
vector DNA
vector plasmid
chromosome

MCQ 18: The pyruvic acid in alcoholic fermentation reduced to acetaldehyde which further reduced into:

carbon dioxide
methanol
ethanol
methane

MCQ 19: The last step of genetic engineering is:

isolation of gene interest
insertion of gene into vector
transfer of recombinant DNA
expression of gene

MCQ 20: During glycolysis, the glucose molecule is broken into:

one pyruvic acid
two pyruvic acid
three pyruvic acid
four pyruvic acid

Biotechnology Exam Prep – Class 10 Biology Notes App & e-Book

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