TLS Online TPP Program

#Question id: 18997


DDT primarily can be analysed by 

#Unit 13. Methods in Biology
  1. gas – liquid chromatography
  2. Column chromatography
  3. Planar chromatography
  4. Liquid chromatography
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TLS Online TPP Program

#Question id: 29505

#Unit 6. System Physiology – Plant

Cicutoxin is produced by plant as constitutive chemical defenses which is
a. Produced by Hemlock (Cicuta sp.) 
b. Is  a polyacetylene
c. Involved in repolarization of neuronal action potentials
d. Involved in the suspension of all muscular activity

Which of the following is true regarding Cicutoxin

TLS Online TPP Program

#Question id: 29506

#Unit 6. System Physiology – Plant

The active principle in foxglove (Digitalis sp.) is cardinolide digitoxin  is a
a. cardiac glycoside 
b. that activate ATPase activity 
c. that inhibits ATPase activity 
d. can increase myocardial contraction

Which of the following is not true regarding digitoxin

TLS Online TPP Program

#Question id: 29507

#Unit 6. System Physiology – Plant

δ-Cadinene, Longifolene, Abietic Acid, Terpinolene, and -Pinene are the resin terpenoids that often contain cardiac glycosides produced by

TLS Online TPP Program

#Question id: 29508

#Unit 6. System Physiology – Plant

Conifer resin ducts produces different terpenes and resin acids which are released immediately upon damage by herbivores these are


Match them correctly with their example

TLS Online TPP Program

#Question id: 29509

#Unit 6. System Physiology – Plant

Which of the following is responsible to change the pheromonal behaviour of aphids

TLS Online TPP Program

#Question id: 29510

#Unit 6. System Physiology – Plant

Which one of the following secondary metabolites is produced by  Members of the Brassicales and characterised by a sulphur-containing organic compounds derived from glucose and an amino acid?