The following statements are made regarding volatile compounds of plant;

a) secondary metabolites also fuction in defence mechanism but this is not the volatile compound

b) These volatiles can act as cues for natural enemies of the insect herbivore such as parasitic wasps

c) All plants releases green-leaf volatiles in response to mechanical damage that is a mixture of aldehydes, alcohols, and esters

d) These volatiles attracts natural enemies of the attacking insect herbivores—predators or parasites

Which one of the following options represents a combination of correct statements?

#Question id: 10763

#SCPH05 I Biotechnology

In mevalonic acid pathway, three molecules of acetyl-CoA are joined together stepwise to form mevalonic acid, which intermediate steps it will perform to yield isopentenyl diphosphate (IPP2)?

#Question id: 10774

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

Following are a few statements regarding the structure of terpenes:

a) Isopentenyl diphosphate and Dimethyallyl diphosphate are combinely called monoterpene, respectively

b) Isopentenyl diphosphate and Farnesyl diphosphate are Sesquiterpenes and Tetraterpenes

c) Monoterpenes, Sesquiterpenes and Diterpenes have 10, 20  and 30 carbons, respectively

d) Grenyl grenyl diphosphate usually have 20 carbons compound by multiplying with  2X is known as testraterpenes

Which combination of the above statements is correct?

#Question id: 10774

#SCPH05 I Biotechnology

Following are a few statements regarding the structure of terpenes:

a) Isopentenyl diphosphate and Dimethyallyl diphosphate are combinely called monoterpene, respectively

b) Isopentenyl diphosphate and Farnesyl diphosphate are Sesquiterpenes and Tetraterpenes

c) Monoterpenes, Sesquiterpenes and Diterpenes have 10, 20  and 30 carbons, respectively

d) Grenyl grenyl diphosphate usually have 20 carbons compound by multiplying with  2X is known as testraterpenes

Which combination of the above statements is correct?

#Question id: 10775

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

Geranyl diphosphate is a precursor of which plant hormone biosynthesis?

#Question id: 10775

#SCPH05 I Biotechnology

Geranyl diphosphate is a precursor of which plant hormone biosynthesis?

#Question id: 10776

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

pyrethroids that occur in the leaves and flowers of Chrysanthemum species show very striking insecticidal activity. Pyrethroids are________