TLS Online TPP Program

#Question id: 5019


A major evolutionary episode that corresponds in time most closely with the formation of Pangaea was the

#SCPH28 | Zoology
  1. origin of humans.

  2. Cambrian explosion.

  3. Permian extinctions.

  4. Pleistocene ice ages.

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TLS Online TPP Program

#Question id: 23176

#SCPH06 I Botany

When we use a high-intensity light to permanently bleach the fluorochrome in the patch, there will initially be no fluorescence and it will look 

TLS Online TPP Program

#Question id: 9163

#SCPH06 I Botany

Use the following figures to answer the question below


Based on the data in the figures, which of the following statements are correct?

I) Area 1 would be considered a desert because of its high average temperature.

II) Area 1 has more average precipitation than Area 2.

III) Area 2 would be considered a desert because of its low average precipitation.

IV) Area 2 has a larger annual temperature variation.

TLS Online TPP Program

#Question id: 6966

#SCPH01 Biochemistry

During gastrulation in the frog, the very first cells to move into the interior of the embryo through the blastopore come from the surface layer of cells in the marginal zone; they will become:

TLS Online TPP Program

#Question id: 10524

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

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: 10516

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

Which one are consistent with an important defense-activating role in the regulation of antiherbivore defense mechanisms in plants.