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TLS Online TPP Program
#Question id: 29501
#Unit 6. System Physiology – Plant
Cryptochromes under blue light causes
a. Promotion of cotyledon expansion
b. Membrane depolarization
c. Circadian clock entrainment
d. Inhibition of petiole elongation
Which of the following is correct
TLS Online TPP Program
#Question id: 29502
#Unit 6. System Physiology – Plant
Some of the Following statement is given regarding the cry1 and cry2
a. cry1 is more stable than cry2
b. cry2 is more stable than cry1
c. cry1 involved in the setting of the circadian clock
d. cry2 plays a major role in the induction of flowering
Which of the following is correct
TLS Online TPP Program
#Question id: 29503
#Unit 6. System Physiology – Plant
Trichomes of nettles (Urtica dioica) have “cocktail” of secondary metabolites that can cause severe irritation of the skin of animals which are
a. Tartaric acid
b. Serotonin
c. Oxalic acid
d. Formic acid
Which of the following combination secondary metabolites is true
TLS Online TPP Program
#Question id: 29504
#Unit 6. System Physiology – Plant
Idioblasts cells are involved in the synthesis of
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