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TLS Online TPP Program

#Question id: 31162

Which of the following statement correctly represents phenomena of positive feedback loop during neuron action potential?

#Unit 7. System Physiology – Animal
  1. Na+ influx causes the opening of more voltage-gated Na+ channels
  2. K+ efflux causes the closure of more voltage-gated K+ channels
  3. Na+ influx causes the closure of more voltage-gated Na+ channels
  4. K+ efflux causes the opening of more voltage-gated K+ channels
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TLS Online TPP Program

#Question id: 18003

#Unit 9. Diversity of Life Forms

In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg? 
1. micropyle 2. style 
3. ovary 4. stigma 
TLS Online TPP Program

#Question id: 12404

#Unit 6. System Physiology – Plant

Covalent conjugation of amino acids to IAA can result in___
TLS Online TPP Program

#Question id: 15978

#Unit 12. Applied Biology

Embryo culture is applied for___
TLS Online TPP Program

#Question id: 23779

#Unit 7. System Physiology – Animal

The photosensitive pigment present in the rod cells of retina is _______
TLS Online TPP Program

#Question id: 3544

#Unit 8. Inheritance Biology

Diploid organism possesses two alternative form of gene present on locus of chromosome that specifies particular character undergoes crossing over between gene and centromere. Which of the following observation is correct?