Practice Questions

TLS Online TPP Program

#Question id: 11131

Which statement concerning the generation of an action potential is correct?

#Unit 7. System Physiology – Animal

When the membrane potential in the soma/axon hillock dips below “threshold,” an action potential is initiated
The action potential is initiated in synaptic boutons
The least number of voltage-gated sodium channels in an axon is found near the node of Ranvier
Once an action potential is initiated, it will always run its course to completion

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TLS Online TPP Program

#Question id: 23437

#General Aptitude

Veena who is the sister-in-law of Ashok, is the daughter-in-law of Kalyani. Dheeraj is the father of Sudeep who is the only brother of Ashok. How Kalyani is related to Ashok?

TLS Online TPP Program

#Question id: 9224

#Unit 9. Diversity of Life Forms

Which of the following strategies would most rapidly increase the genetic diversity of a population in an extinction vortex?

TLS Online TPP Program

#Question id: 12750

#Unit 13. Methods in Biology

Bacterial culture was treated with SDS and NAOH then centrifuged, supernatant was decanted and treated with potassium acetate and centrifuged to get a pellet. What is the composition of the pellet?

TLS Online TPP Program

#Question id: 843

#Unit 1. Molecules and their Interaction Relevant to Biology

_______ enzymes that catalyze isomerization reactions in folding pathways of some proteins.

TLS Online TPP Program

#Question id: 110

#Unit 1. Molecules and their Interaction Relevant to Biology

Tay-Sachs disease results from