12th class (Fsc) Biology unit 9 MCQs
26. The genome fragments can be separated from:
a. Cloning
b. Gel electrophoresis
c. Gene therapy
d. PCR
27. DNA finger prints can be separated from:
a. Serum
b. Plasma
c. Blood
d. Lymph
28. To genome fragment can be separated according to their lengths during:
a. Cloning
b. Gel electrophoresis
c. Gene therapy
d. PCR
29. A weed called mouse cared cress is engineered to produce a biodegradable plastic called:
a. Polyhydroxy butyrate
b. Luciferin
c. Phenylalanine
d. Digitoxin
30. Antibody used for the treatment of genital herpes is obtained from:
a. Rice
b. Corn
c. Wheat
d. Soya-bean
31. Organism that had a foreign gene inserted into them are called:
a. Plygenesis
b. Transgenic organism
c. Transmuted organisms
d. Hermaphrodites
32. Anti Thrombin III is a biotechnological product produced in:
a. Mice
b. Sheep
c. Cow
d. Goat
33. Urine is preferable vehicle for a biotechnology product than:
a. Plasma
b. Milk
c. Tissue fluid
d. Blood
34. Polyhydroxy butyrate is called:
a. Biodegradeable plastic
b. Antithrombin III
c. Luciferin
d. Nutra sweet
35. An antibody made by soybeans can be used as treatment for:
a. Genital Herpes
b. AIDS
c. Hepatitis C
d. Herpes simple
36. What is the benefit of using a retrovirus as a vector in gene therapy?
a. It eliminates a lot of unnecessary steps
b. It is not able to enter cells
c. It prevents infection by other viruses
d. It incorporates the foreign gene into the host chromosome
37. Persons with huntigton’s disease have a unique site where a restriction enzyme cuts:
a. Lipids
b. DNA
c. Proteins
d. RNA
38. Cystic fibrosus patients lack a gene that codes for transmembrane carrier of:
a. Calcium ion
b. Chloride ion
c. Magnesium ion
d. Sodium ion
39. Patients of cystic fibrosis often die due to numerous infection of the:
a. Digestive tract
b. Respiratory tract
c. Reproductive tract
d. Excretory tract
40. The cell suspension cultures of Cinchona ladgeriana produces:
a. Quinine
b. Aspartine
c. Quina Quina
d. Cinchorine
41. In 1958 F.C Steard grew a complete carrot plant from tiny piece of:
a. Xylem
b. Pith
c. Phloem
d. Cortex
42. Growth of a tissue in an artificial liquid culture medium is termed as:
a. Tissue culture
b. Cloning
c. Gene therapy
d. Genetic engineering
43. Meristem is:
a. Fungi free
b. Virus free
c. Pathogen free
d. Bacteria free
44. The coconut milk contains the plant hormones called:
a. Gibberellins
b. Auxin
c. Abscisic acid
d. Cytokinins
45. An enzyme a – galactosidase that can be used to treat a human lysosome storage disease is harvested from:
a. Sugarcane
b. Soyabeans
c. Corn plants
d. Tobacco plants
46. The enzyme luciferase is produced by an insect commonly known as the:
a. Caddis fly
b. House fly
c. Fire fly
d. Butterfly
47. Arabidopsis is:
a. Totipotent
b. Heat resistant
c. Salt tolerant
d. Water absorbent
48. Adult transgenic tobacco plants glowed when sprayed with the substrate:
a. Haemoglobin
b. Luciferin
c. Methionine
d. Myoglobin
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