TLS Online TPP Program

#Question id: 4619


Within six months of effectively using methicillin to treat S. aureus infections in a community, all new S.aureus infections were caused by MRSA. How can this best be explained?

#XL - S Microbiology
  1. A patient must have become infected with MRSA from another community.

  2.  In response to the drug, S. aureus began making drug-resistant versions of the protein targeted by the drug.

  3. Some drug-resistant bacteria were present at the start of treatment, and natural selection increased their frequency.

  4. S. aureus evolved to resist vaccines.

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TLS Online TPP Program

#Question id: 11603

#XL - R Botany

Several important role promotes GA in the plant except____

TLS Online TPP Program

#Question id: 11604

#XL - R Botany

What will be the effect of exogenous gibberellin in plant?

a) extreme stem elongation in dwarf plants

b) Increases  in stem thickness

c) decrease in leaf size

d) decreases in stem thickness

e) Increases in leaf size

f) pale green color of the leaves

TLS Online TPP Program

#Question id: 11605

#XL - R Botany

Major uses of gibberellins applied as a spray or dip, are to manage several processes except,

TLS Online TPP Program

#Question id: 11607

#XL - R Botany

How the active gibberellin GA1 is inactived by?

a)  By hydroxylation remove GA20 from the biosynthetic pathway by converting it to GA1

b) conversion to GA8 by a hydroxylation on carbon 2

c) By hydroxylation remove GA20 from the biosynthetic pathway by converting it to GA29

TLS Online TPP Program

#Question id: 11609

#XL - R Botany

All of gibberellins are tetracyclic diterpenoid acids, but only a few of which, have intrinsic biologically active gibberellins these are__

TLS Online TPP Program

#Question id: 11611

#XL - R Botany

Given below are names of phytohormones in column I and their associated features/effects/ functions in column II.

                     

                    Column I

             ( Phytohormones)

                

                        Column II

                       ( Features)

 

A) Auxin

 

i)  Causes seed germinations

 

B) Cytokinin

 

ii)  Plant Stress Hormone that activates many defense responses

 

C) ABA

 

iii) Polar transport

 

D) Gibberellin

 

iv)  Delayed leaf senescence

 

E) Jasmonic acid

 

v) Causes seed dormancy

 

 







Which of the following combination from the above statements is  correct?