TLS Online TPP Program

#Question id: 10367


Cyanobcteria also fixes nitrogen under anaerobic conditions without  heterocyst where?

#Unit 6. System Physiology – Plant
  1. In dry fields   
  2. In dark phase fields
  3. In wet fields     
  4. In flooded fields
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TLS Online TPP Program

#Question id: 18008

#Unit 7. System Physiology – Animal

The perception of a stressor triggers this area of the brain to initiate the stress response.

TLS Online TPP Program

#Question id: 4200

#Unit 3. Fundamental Processes

 At the beginning of translocation, the growing peptide chain is attached to tRNA located at the __ on the ribosome.

TLS Online TPP Program

#Question id: 7553

#General Aptitude

A man travelled a distance of 61 km is 9 hours. He travelled partly on foot at 4 km/hr and partly on bicycle at 9 km/hr. What is the distance travelled on foot?

TLS Online TPP Program

#Question id: 13076

#Unit 13. Methods in Biology

Restriction fragment length polymorphism denotes that a single restriction enzyme produces fragments of different lengths from the same stretch of genomic DNA of different strains of a species or from different related species. RFLPs are detected as follows:

i.  Large molecular weight genomic DNA is isolated from several strains or related species;

ii.  The fragments in these digests are separated through electrophoresis

iii.  These 'DNAs are then digested with a selected restriction enzyme

iv.  Exposed to a suitably radio-labelled appropriate DNA probe under conditions favouring DNA: DNA hybridization

v.  The resulting gel lanes are transferred and fixed to a suitable solid support and

vi.   The free probes are removed

vii.  The fragments to which the probe has hybridized are detected by filming them as distinct bands on a suitable photofilm through autoradiography.

TLS Online TPP Program

#Question id: 11178

#Unit 10. Ecological Principles

At low population densities