KCET Dental PG Question Papers

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[Pathak]

Hello, here I am providing you the KCET PG exam paper as under:

Statement (A): Photorespiration decreases photosynthetic output.
Statement (B): In photorespiratory pathway, neither ATP nor NADPH is produced.
(1) Both the statements A and B are correct
(2) Both the statements A and B are wrong
(3) Statement (A) is correct and statement (B) is wrong
(4) Statement (B) is correct and statement (A) is wrong
Ans: (1)

Photorespiration light dependent reaction in C-3 plants where oxygen is consumed and carbon dioxide is reduced.
Identify the incorrect statement from the following:
(1) The reservoir pool for phosphorus cycle is earth’s crust whereas atmosphere is the reservoir pool for carbon cycle.
(2) During carbon cycle and Phosphorus cycle, there is very little respiratory release of carbon and phosphorus respectively
(3) Atmospheric inputs of phosphorus throughout rainfall are much smaller than carbon inputs.
(4) Gaseous exchanges of phosphorus between organism and environment are negligible.
Ans: (2)

The result of the following reaction/ experiment carried out by Avery et. Al. on Streptococcus pneumoniac has proved conclusively that DNA is the genetic material;
(1) Live ‘R’ strain + DNA from ‘S’ strain + DNAase
(2) Heat killed ‘R’ strain + DNA from ‘S’ strain + DNAase
(3) Live ‘R’ strain + DNA from ‘S’ strain + RNAase
(4) Live ‘R’ strain + Denatured DNA of ‘S’ strain + protease
Ans: (1) Live ‘R’ strain + DNA from ‘S’ strain + DNAase - ‘S’ strain is not formed

Identify the desirable characteristics for a plasmid used in rDNA technology from the following:
A. Ability to multiply and express outside the host in a bioreactor
B. A highly active promoter
C. A site at which replication can be initiated
D. One or more identifiable marker genes
E. One or more unique restriction sites
(1) A, C and E only
(2) B, C and E only
(3) A, C, D and E only
(4) B, C, D and E only

Which compounds were used by Miller in his experiment for obtaining amino acids and other organic substances?
(1) Carbon dioxide, water vapour and methane
(2) Methane, ammonia, water vapour and hydrogen cyanide
(3) Ammonia, methane, hydrogen and water vapour
(4) Ammonia, methane and carbon dioxide
Ans: (3)

Stimulated reducing atmosphere is maintained by Miller and oxygen is not used in the experiment.

Which of the following is true for eutrophicated water body?
(1) High mineral content
(2) High oxygen content
(2) Rich species diversity
(4) Low organic content

Ans: (1)
Nutrient enrichment of water body is called eutrophication.