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CHAPTER 12 BIOTECHNOLOGY AND ITS APPLICATIONS MULTIPLE-CHOICE QUESTIONS
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CHAPTER 12 BIOTECHNOLOGY AND ITS APPLICATIONS MULTIPLE-CHOICE QUESTIONS
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82 BIOLOGY, EXEMPLAR PROBLEMSCHAPTER 12
BIOTECHNOLOGY AND ITS
APPLICATIONS
MULTIPLE-CHOICE QUESTIONS
1. Bt cotton is not:
a. A GM plant
b. Insect resistant
c. A bacterial gene expressing system
d. Resistant to all pesticides
2. C-peptide of human insulin is:
a. A part of mature insulin molecule
b. Responsible for formation of disulphide bridges
c. Removed during maturation of pro-insulin to insulin
d. Responsible for its biological activity.
3. GEAC stands for:
a. Genome Engineering Action Committee
b. Ground Environment Action Committee
c. Genetic Engineering Approval Committee
d. Genetic and Environment Approval committee
4. α -1 antitrypsin is:
a. An antacid
b. An enzyme
c. Used to treat arthritis
d. Used to treat emphysema
, U
B NIT II:
UNIT II: SSTRUCTURAL
IOTECHNOLOGY O
ORGANISATION
AND ITS
TRUCTURAL RGANISATION IN P
APPLICATIONSIN PLANTS AND A
LANTS AND ANIMAL
NIMALS 83
5. A probe which is a molecule used to locate specific sequences in a mixture
of DNA or RNA molecules could be:
a. A single stranded RNA
b. A single stranded DNA
c. Either RNA or DNA
d. Can be ss DNA but not ss RNA
6. Choose the correct option regarding Retrovirus:
a. An RNA virus that can synthesise DNA during infection
b. A DNA virus that can synthesise RNA during infection
c. A ssDNA virus
d. A dsRNA virus
7. The site of production of ADA in the body is:
a. Bone marrow
b. Lymphocytes
c. Blood plasma
d. Monocytes
8. A protoxin is:
a. A primitive toxin
b. A denatured toxin
c. Toxin produced by protozoa
d. Inactive toxin
9. Pathophysiology is the:
a. Study of physiology of pathogen
b. Study of normal physiology of host
c. Study of altered physiology of host
d. None of the above
10. The trigger for activation of toxin of Bacillus thuringiensis is:
a. Acidic pH of stomach
b. High temperature
c. Alkaline pH of gut
d. Mechanical action in the insect gut
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