12th Standard CBSE Syllabus & Materials
12th Standard CBSE
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Published on: 25/05/2021
QB365 Provides the updated NCERT Examplar Questions for Class 12 Biology, and also provide the detail solution for each and every ncert examplar questions , QB365 will give all kind of study materials will help to get more marks
Download CBSE Class 12th Standard CBSE Biology question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Biology
Questions + Answers key
Take MCQ Biology Test1.
C-peptide of human insulin is
a part of mature insulin molecule
responsible for formation of disulphide bridges
removed during maturation of pro-insulin to insulin
responsible for its biological activity.
2.
The trigger for activation of toxin of Bacillus thuringiensis is
acidic pH of stomach
high temperature.
alkaline pH of gut.
mechanical action in the insect gut.
3.
\(\alpha\)-I antitrypsin is:
an antacid
an enzyme
used to treat arthritis
used to treat emphysema.
1.
(c)
removed during maturation of pro-insulin to insulin
2.
(c)
alkaline pH of gut.
3.
(d)
used to treat emphysema.
12th Standard CBSE Syllabus & Materials
12th Standard CBSE
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