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TLS Online TPP Program

#Question id: 11380

Which of the following is/are NOT valid explanation(s) for the observed pattern of species richness?

#XL - R Botany
  1. Older communities are more species rich.

  2. Large areas support more species.

  3. Absence of Natural enemies, area with more species richness
  4. Greater productivity permits existence of more species
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TLS Online TPP Program

#Question id: 17080

#XL - R Botany

Hypoxanthine and thymidine are required for running which pathway
TLS Online TPP Program

#Question id: 17081

#XL - R Botany

What type of drug is Aminopterin and what it is used for
TLS Online TPP Program

#Question id: 17082

#XL - R Botany

What is an Aminopterin
TLS Online TPP Program

#Question id: 17083

#XL - R Botany

Fusion of two cells produces a single cell with two nuclei one from each of the cells entering fusion; such a cell is called as 
TLS Online TPP Program

#Question id: 17084

#XL - R Botany

What color does phenol red turn in acid?
TLS Online TPP Program

#Question id: 17085

#XL - R Botany

Spontaneous cell fusion occurs at a very low rate. Enhanced fusion can be done by 
1. Sendai virus 
2. Polyethylene glycol
3. Ficol
4. Phenol red
Which of the above mentioned can be used for fusion experiments?