TLS Online TPP Program

#Question id: 5258


Which of the following processes are not correct for conjugation?

#8. Inheritance Biology
  1. entry of double-stranded Hfr DNA

  2. rolling circle replication of single-stranded Hfr DNA

  3. ʺtoilet paperʺ replication of recipient cellʹs plasmids

  4. Direct contact require

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TLS Online TPP Program

#Question id: 2067

#2. Cellular Organization

Which of the following would likely diffuse through the lipid bilayer of a plasma membrane most rapidly?

TLS Online TPP Program

#Question id: 12714

#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: 11643

#7. System Physiology – Animal

Rapid changes to skin color in many vertebrates is under the control of ________.

TLS Online TPP Program

#Question id: 666

#1. Molecules and their Interaction Relevant to Biology

Nearly all peptide bonds are in the trans configuration because

TLS Online TPP Program

#Question id: 10881

#10. Ecological Principles

In deep water, which of the following abiotic factors would most limit primary productivity?