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TLS Online TPP Program

#Question id: 10713

Following is sampling data of five species in five quadrate is represent. Which of the following is a correct order of decreasing abundance?

#SCPH06 I Botany
  1.  E> C> B> D> A   
  2. E> C> A> B> D       
  3. E> C> A> D> B             
  4. C> E> A> D> B    
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TLS Online TPP Program

#Question id: 12917

#SCPH28 | Zoology

Arrange the steps of stages in PCR in correct order.
1. The region to be specifically amplified is made accessible within the complex DNA.
2. The double stranded DNA is denatured by heating the reaction mixture to above 90 degree Celsius.
3. A thermal cycler is used to incrementally decrease the annealing temperature.
4. Reaction mixture is then cooled to a temperature between 40 and 60 degree celsius.
TLS Online TPP Program

#Question id: 10689

#SCPH06 I Botany

Which of the following is correct statement?

A) Body size of parasitoid is always greater than host but parasite usually smaller than host

B) Predator immediately kill their prey however parasitoid never kill their host

C) Intrinsic rate of parasite is faster than host but intrinsic rate of predator is slower than prey

D) Body association time between parasite and host is more than time association between predator and prey
TLS Online TPP Program

#Question id: 8922

#SCPH28 | Zoology

Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?
TLS Online TPP Program

#Question id: 8925

#SCPH28 | Zoology

What is the probable sequence in which the following clades of animals originated, from earliest to most recent?
1. tetrapods
2. vertebrates
3. deuterostomes
4. amniotes
5. bilaterians
TLS Online TPP Program

#Question id: 2677

#SCPH06 I Botany

Why is the transcription of structural genes of the trp operon turned off in the presence of tryptophan?