TLS Online TPP Program

#Question id: 12165


If the environmental variance increases and all other variance components remain same , then what will be the effect on heritability?

#Unit 8. Inheritance Biology
  1. Narrow-sense heritability will increase 
  2. Broad-sense heritability will increase
  3. Broad-sense heritability  will increase and Narrow-sense heritability will decrease
  4. Both Broad-sense heritability and Narrow-sense heritability will be decrease
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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

 Column A Column B
 a. bicyclic monoterpenes 1. limonene and terpinolene
 b. monocyclic terpenes 2. α-pinene and β-pinene
 c. tricyclic sesquiterpenes 3. longifolene, caryophyllene, and δ-cadinene 

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?

TLS Online TPP Program

#Question id: 29511

#Unit 6. System Physiology – Plant

When The hydrolyzing enzyme, myrosinase (a thioglucosidase), react with Glucosinolates it produces