TLS Online TPP Program

#Question id: 11330


Bio geographers have noted that the tropics have more terrestrial species than temperate regions. Which of the following is NOT a plausible explanation for this pattern?

#XL - R Botany
  1. Environmental heterogeneity 
  2. greater positive interaction 
  3. There is greater land area in the tropic
  4. Greater productivity
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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? 

TLS Online TPP Program

#Question id: 11615

#XL - R Botany

Biosynthesis of GA including various enzyme which are belong to______I_________ and are localized in the ______II__________.

TLS Online TPP Program

#Question id: 11631

#XL - T Zoology

A cross between two green corn plants yields 23 progenies that are green and 13 progenies that are yellow. What is the genotype of the green progeny?