TLS Online TPP Program

#Question id: 6984


Which of the following genes is unlikely to be involved in preaxial polydactyly in mice?

#5. Developmental Biology
  1. Sonic hedgehog
  2. Gli transcription factors

  3. Delta
  4. Patched 1
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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: 10369

#6. System Physiology – Plant

Which type of the nitrogen-fixing bacteria are thought to maintain a low oxygen concentration (microaerobic conditions) through their high levels of respiration

TLS Online TPP Program

#Question id: 1029

#4. Cell Communication and Cell Signaling

The structures used for motility in both eukaryotes and prokaryotes are

TLS Online TPP Program

#Question id: 12673

#10. Ecological Principles

Burning fossil fuels releases oxides of sulphur and nitrogen. Ultimately, these are probably responsible for

TLS Online TPP Program

#Question id: 19870

#13. Methods in Biology

Frequency of recognition site of the genome is depends on the __