TLS Online TPP Program

#Question id: 8931


A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of the following genes is absolutely conserved, which of the following would be the best choice on which to base the phylogeny?

#SCPH06 I Botany
  1. genes involved in chitin synthesis
  2. collagen genes
  3. beta-catenin genes
  4. genes involved in eye-lens synthesis
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TLS Online TPP Program

#Question id: 11606

#SCPH06 I Botany

What will be the effect light in GA biosynthesis?

a) Light basically activates the GA 3β-hydroxylase which adds a hydroxyl group (OH) to carbon 3 of GA20 and convert GA20 to GA1

b) light-induced increase in the transcription of the gene for GA3ox, which converts GA20 to GA1

c) light-induced increase in the transcription of the gene for GA2ox, which converts GA20 to GA29

d) light-induced decreases the transcription of the gene for GA3ox, which converts GA20 to GA1

TLS Online TPP Program

#Question id: 11607

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

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: 11607

#SCPH06 I 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: 11608

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

Which of the following  growth hormone  promote stem growth and were discovered in relation to the “foolish seedling disease” of rice?

TLS Online TPP Program

#Question id: 11608

#SCPH06 I Botany

Which of the following  growth hormone  promote stem growth and were discovered in relation to the “foolish seedling disease” of rice?

TLS Online TPP Program

#Question id: 11634

#SCPH01 Biochemistry

Given below, is the result of a complementation test for six independent mutants (A to H) '+' represents complementation; '-' represents noncomplementation Based on the above, which one of the following conclusions is correct?