TLS Online TPP Program

#Question id: 9176


Wetlands are standing bodies of freshwater, just like lakes and ponds. However, wetlands are different from lakes and ponds because wetlands have ________.

#SCPH28 | Zoology
  1. emergent vegetation
  2. oxygen-poor water
  3. shallow water and emergent vegetation
  4. emergent vegetation and oxygen-poor water
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TLS Online TPP Program

#Question id: 15871

#SCPH05 I Biotechnology

Various sterilization techniques used in plant tissue culture work;

           Sterilization technique

 

          Materials sterilized

     A) Dry heat

i) Media, culture vessels, other glass plasticwarc, contaminated cultures

 

      B) Autoclaving

ii) Heat labile compounds like GA3, ABA, zeatin, urea,·enzymes, etc.

 

      C) Surface sterilization

iii) Empty glassware, instruments like scalpels, forceps, needles

 

     D) Liquid (membrane filter of 

       0.45 μm or smaller pore size)

iv) All plant materials to be cultured

 

 

TLS Online TPP Program

#Question id: 3658

#SCPH05 I Biotechnology

In E. coli, the UvrABC endonuclease removes _____________and other bulky lesions by recognizing the distortion these produce in the double helix.

TLS Online TPP Program

#Question id: 834

#I Life Science/ Life Sciences Group – I-V

How the proteosome inhibitors  are potentially used in treatment of cancerous cells ?

TLS Online TPP Program

#Question id: 2668

#SCPH06 I Botany

The toxic shock syndrome toxin is produced by some Salmonella species when there is not sufficient iron present. When iron is present, it prevents transcription of the TSS-toxin gene. Iron therefore serves as __________.

TLS Online TPP Program

#Question id: 17220

#SCPH28 | Zoology

Which of the following occurs when certain adaptive hormones are released and cause changes in the structure and chemical composition of the body?