TLS Online TPP Program

#Question id: 6943


The portion of the blastoderm-stage embryo which will give rise to most ectodermal, mesodermal, and endodermal tissues is called the:

#SCPH28 | Zoology
  1. ventral
  2. germ band
  3. imaginal discs
  4. amnioserosa
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TLS Online TPP Program

#Question id: 332

#SCPH06 I Botany

The electronegativity difference between N and F is greater than that between N and H yet the dipole moment of NH3 (1.5 D) is larger than that of NF3 (0.2 D). This is because_________

TLS Online TPP Program

#Question id: 937

#SCPH05 I Biotechnology

Glutamate dehydrogenase has different roles in different organisms. Which of these listed is mismatched?

TLS Online TPP Program

#Question id: 5703

#SCPH06 I Botany

Robertsonian translocation is reciprocal exchange of genetic segment between two acrocentric chromosomes. Which of the following is incorrect statement?

TLS Online TPP Program

#Question id: 10524

#SCPH05 I Biotechnology

Members of the Poaceae family, which includes all of the cereal crops, use benzoxazinoids, these alkaloids shows;

a) Alkaloids are derived from the tryptophan as constitutively produced defensive secondary metabolites

b) These benzoxazinoids such as DIBOA and its derivative DIMBOA are usually stored in the peroxisome

c) Upon damage, the inactive glycosides are hydrolyzed, generating glucosinolate, which are toxic not only to insect herbivores but also against pathogens

d) DIBOA and DIMBOA perform insecticidal and pesticidal activities

e) It can be inactivated by hydroxylation and N-glycosylation reactions

Which of the following combination is correct about benzoxazinoids alkaloids?

TLS Online TPP Program

#Question id: 9191

#SCPH06 I Botany

When an arborist prunes a limb off a valuable tree, he or she usually paints the cut surface. The primary purpose of the paint is to