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TLS Online TPP Program

#Question id: 26906

Match the Indian Biosphere reserves (Column P) with the key fauna (Column Q) they are intended to protection

 Column P (Biosphere Reserve) Column Q (Key fauna)
 A. Gulf of Mannar (i) Musk deer
 B. Dihang-Dibang (ii) Saltwater crocodile
 C. Great Nicobar (iii) Dugong
 D. Seshachalam Hills (iv) Lion-tailed macaque 
 E. Nilgiri Biosphere Reserve (v) Slender loris
 Which one of the following options has all correct matches between column P and Q?

#Unit 10. Ecological Principles
  1. A-(iii); B- (i); C- (ii); D- (v); E- (iv)
  2. A- (ii); B- (iv); C- (v); D- (i); E- (iii)
  3. A- (iii); B- (iv); C- (i); D- (ii); E- (v)
  4. A- (v); B- (iii); C- (ii); D- (iv); E- (i)
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TLS Online TPP Program

#Question id: 30105

#Unit 1. Molecules and their Interaction Relevant to Biology

Methotrexate is an inhibitor of dihydrofolate reductase. Administration of methotrexate would inhibit:
1. de novo synthesis of UMP.
2. conversion of dUMP to dTMP.
3. conversion of IMP to GMP.
4. de novo synthesis of IMP
TLS Online TPP Program

#Question id: 30106

#Unit 1. Molecules and their Interaction Relevant to Biology

If a cell has an adequate supply of adenine nucleotides but requires more guanine nucleotides for protein synthesis:

1. Glutamine-PRPP amidotransferase will not be fully inhibited.
2. AMP will be a feedback inhibitor of the condensation of IMP with aspartate.
3. ATP will stimulate the production of GMP from IMP.
4. ATP will inhibit nucleoside diphosphate reductase.
TLS Online TPP Program

#Question id: 30107

#Unit 1. Molecules and their Interaction Relevant to Biology

Major controls of de novo AMP synthesis include:

1. allosteric inhibition by GMP.
2. allosteric inhibition by AMP.
3. availability of PRPP.
4. stimulation by GTP.
TLS Online TPP Program

#Question id: 30108

#Unit 1. Molecules and their Interaction Relevant to Biology

Aspartate plays a role in all of the following EXCEPT:
TLS Online TPP Program

#Question id: 30109

#Unit 1. Molecules and their Interaction Relevant to Biology

Allopurinol is an inhibitor of xanthine oxidase. Administration of allopurinol to a patient with gout and normal HG-PRT levels would be expected to lead to all of the following EXCEPT:
TLS Online TPP Program

#Question id: 30110

#Unit 1. Molecules and their Interaction Relevant to Biology

The ribose phosphate group of purine nucleotide is taken from which compound?