Excessive use of fertilizers causes death of plants due to
A. Imbibition
B. Endosmosis
C. Exosmosis
D. Turgidity
Select an option to see the answer and solution.
Which enzymes are used for converting com starch into high fructose syrup?
A. Glucoisomerase
B. Amylases
C. Glucoamylases
D. All of these
Select an option to see the answer and solution.
Light compensation point is
A. The light intensity at which CO2 uptake by photosynthesis equals CO2 release by respiration
B. The light intensity at which CO2 uptake by photosynthesis is more than CO2 release by respiration
C. The light intensity at which CO2 uptake by photosynthesis is less than CO2 release by respiration
D. None of the above
Select an option to see the answer and solution.
In 2D electrophoresis, the
A. Isolation based on charge
B. Isolation based on mass
C. Isolation based on isoelectric focussing and mass
D. None of the above
Select an option to see the answer and solution.
Central dogma is
A. DNA-RNA-Protein
B. DNA-Protein-RNA
C. Protein-RNA-DNA
D. Protein-DNA-RNA
Select an option to see the answer and solution.
Lock and key hypothesis was proposed by
A. Koshland
B. Fischer
C. Mitcheli
D. None of the above
Select an option to see the answer and solution.
Tetracyclin inhibits translation by
A. Binding to 50S subunit and interfers with aminoacyl-t RNA binding
B. Binding to 30S subunit and interfers with aminoacyl-t RNA binding
C. Causing misreading of codons
D. Blocking peptide bond formation
Select an option to see the answer and solution.
Which of the following is non reducing sugar?
A. Sucrose
B. Trehalose
C. Maltose
D. Both A and B
Select an option to see the answer and solution.
The transposase enzyme is present in
A. Ac element
B. Ds element
C. Both Ac-Ds element
D. Ac-Ds don't contain transposase
Select an option to see the answer and solution.
According to the asssigned reading, in terms to total area of transgenic crops cultivated in 2001, the four major producers of transgenic crops (ranked highest to lowest) are
A. USA, Argentina, Canada, China
B. USA, China, Canada, India
C. USA, Canada, China, Argentina
D. None of these
Select an option to see the answer and solution.
Which of the following statements is true regarding the production of transgenic cassava
A. A non-toxic cyanide derivative was production by metabolic engineering
B. The release of cyanide was inhibited by antisense gene regulation
C. The release of cyanide was inhibited by immunolocalization
D. The production of cyanide was enhanced by overexpression of an enzyme
Select an option to see the answer and solution.
Salting out means
A. Increase in precipitation of proteins when large amount of salts are added
B. Increase in solubility of proteins when large amount of salts are added
C. Decrease in precipitation of proteins when large amount of proteins are added
D. Increase in solubility of proteins when small amount of salts are added
Select an option to see the answer and solution.
Which organism is used to accumulate copper from factory waste?
A. Baccillus subtillis
B. Pseudomonas putida
C. Zaogloea ramigera
D. Baccillus thuriengenesis
Select an option to see the answer and solution.
Nitogenase enzyme consists of
A. Fe-protein complex
B. Fe-Mo-protein complex
C. Both A and B
D. Either A and B
Select an option to see the answer and solution.
Prosthetic group means
A. The proteinaceous part of conjugated protein
B. The nonproteinaceous part of conjugated protein
C. Both of the above
D. Protein conjugated with lipid molecule
Select an option to see the answer and solution.
Peptidyl transferase is
A. Abzyme
B. Protein
C. Ribozyme
D. All of the above
Select an option to see the answer and solution.
Which of the following vector can be used for cloning bigger DNA fragments?
A. YACs
B. Cosmids
C. Plasmids
D. E.coli
Select an option to see the answer and solution.
The glycosidic bond present in starch is
A. α 1, 4
B. β 1, 4
C. α 1, 6
D. Both A and C
Select an option to see the answer and solution.
The pigment prevents from photoinhibition is
A. Chlorophyll
B. Xanthophyll
C. Carotenoids
D. Phycobilins
Select an option to see the answer and solution.
Which of the following methods would give you the most precise and accurate information about where and when a given gene is expressed?
A. In situ hybridization
B. Ex situ hybridization
C. Protein microarray
D. Reporter gene fusion including introns
Select an option to see the answer and solution.