TLS Online TPP Program

#Question id: 19377


Glyphosate is a broad spectrum herbicide that inhibits the enzyme

#Unit 12. Applied Biology
  1. Chorismic acid
  2. Pyruvic acid
  3. Tryptophan
  4. ESPS
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TLS Online TPP Program

#Question id: 12714

#Unit 6. System Physiology – Plant

Physiological and biochemical perturbations in plants caused by fluctuations in the abiotic environment, given column I with environmental factor and with its effects in the form of primary effects  in column II and secondary effects  in column III

 

            COLUMN I 

      (environmental factor )

 

              COLUMN II

           (primary effects)

 

            COLUMN III

        (secondary effects)

 

A) Water deficit

 

 

i) Hypoxia,  Anoxia

 

a) Membrane dysfunction

 

B) High temperature

 

 

ii) ROS production

 

b) Reduced cellular and metabolic activities,

Leaf abscission,

Ion cytotoxicity and Cavitation

 

 

C) Trace element toxicity

 

 

iii) Photo inhibition

 

c) Reduced respiration,    

Fermentative metabolism,       Inadequate ATP production ,

 ROS production and

 Stomatal closure

 

D) Flooding and soil compaction

 

 

iv) Membrane destabilization

 

d) Inhibition of PSII repair

 

E) Chilling

 

v) Cell dehydration and Hydraulic resistance

 

e) Disruption of metabolism

 

F) High light intensity

 

 

 

f) Photosynthetic and respiratory inhibition, ROS production

 


Find out the correct combination of given above column;

TLS Online TPP Program

#Question id: 19891

#Unit 12. Applied Biology

Which one of the following sensors uses light?

TLS Online TPP Program

#Question id: 819

#Unit 1. Molecules and their Interaction Relevant to Biology

Heat treated protein’s losses its stability and some changes abruptly over a narrow range, which can be measured in terms of-

TLS Online TPP Program

#Question id: 3429

#Unit 11. Evolution and Behavior

Which of the following is a behavioral pattern that results from a proximate cause?

TLS Online TPP Program

#Question id: 9189

#Unit 9. Diversity of Life Forms

A plant will recognize a pathogenic invader