Biology/ Biotechnology: Objective type questions with answer

1)Known for their great strength and adhesive properties, components of byssal fibers produced by ________ are being studying for a variety of applications from medical sutures to adhesives. A)Crassotrea virginica B)Pfiesteria piscicida C)Vibrio cholera D)Conus magus E)Mytilus edulis 2)Polyploid organisms: A)Have different numbers of each chromosome B)Are created from ES …

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1)Known for their great strength and adhesive properties, components of byssal fibers produced by ________ are being studying for a variety of applications from medical sutures to adhesives.
A)Crassotrea virginica
B)Pfiesteria piscicida
C)Vibrio cholera
D)Conus magus
E)Mytilus edulis

2)Polyploid organisms:

A)Have different numbers of each chromosome
B)Are created from ES cells
C)Are transgenic
D)Are knockout organisms
E)Have extra complete sets of chromosomes[wp_campaign_1]

3)The gene for green fluorescent protein (GFP), a commonly used reporter gene, was cloned from:
A)Vibrio cholerae
B)Aequorea victoria
C)Sus domesticus
D)Danio rerio
E)Pfiesteria piscicida

4)Growing aquatic plants and finfish species together with shared water resources is an example of: ________.
A)Polyploidy
B)Polyculture
C)Hydroponics
D)Fish farming
E)None of these choices

5)Known as the “cell from hell,” this toxin-producing dinoflagellate is responsible for significant fish kills in the mid-Atlantic region.
A)Mytilus edulis
B)Vibrio cholera
C)Crassotrea virginica
D)Pfiesteria piscicida
E)Conus magus

6)Which of the following is a pigment used to alter the color of salmon?
A)Green fluorescent protein
B)Auxin
C)Hydroxyapatite
D)AFP

E)Astaxanthin[wp_campaign_2]

7)Transgenic salmon engineered to grow faster than nontransgenic strains contain extra copies of the ________ gene.
A)AFP
B)GFP
C)Calcitonin
D)GH
E)HA

8)Marine cone snails, Conus magus, are the source of:
A)Calcitonin used to treat osteoporosis
B)Cells for the LAL test used to detect bacterial contamination of surgical tools
C)Prialt, a peptide used as a pain reliever
D)Growth hormone used to treat dwarfism
E)Hydroxyapatite used to treat arthritis

9)Limulus polyphemus are the source of:
A)Calcitonin used to treat osteoporosis
B)Growth hormone used to treat dwarfism
C)Hydroxyapatite used to treat arthritis
D)Prialt, a peptide used as a pain reliever
E)Cells for the LAL test used to detect bacterial contamination of surgical tools

10)Marine ________ is/are a primary source of agar and agarose used in laboratories for making culture medias and gels.
A)Kelp
B)Mollusks
C)Fish
D)Cone snails
E)Shrimp

11)Which of the following statements is incorrect about triploid species?
A)Have three complete sets of chromosomes
B)Are an example of a polyploidy organism
C)Are usually infertile
D)Have an extra copy of one chromosome
E)All of these choices are correct

12)________ is the farming of a variety of shellfish, crustaceans, finfish, and algae.
A)Aquaculture
B)Tissue culture
C)Protoplast culture
D)Organ culture
E)Mariculture

1 Comments.[ Leave a comment ]

  1. pradipto banerjee

    thank u….its really very helpful

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