Match the following Column I with Column II 

Column I	Column II
A. PR segment	i. Plateau portion of the ventricular action potential
B. PR interval	ii. Conduction through atrioventricular node
C. ST segment	iii. The time from initial depolarization of the atria to initial depolarization of the ventricles
D. ST interval	iv. An isoelectric portion of the QT interval

TLS Online TPP Program

#Question id: 26860

#Unit 10. Ecological Principles

Trophic-level transfer efficiency is low for which reason?

TLS Online TPP Program

#Question id: 12020

#Unit 10. Ecological Principles

Bird species X stores seeds in a large number of separate caches in the summer and then locates the caches in the winter. Compared with a bird species that does not store seeds, species X can be expected to have a proportionately larger

TLS Online TPP Program

#Question id: 4778

#Unit 8. Inheritance Biology

The following is the biochemical pathway for purple pigment production in flowers of sweet pea: A cross is made between two parents with the genotype: Aabb x AaBb. What is proportional of plant with purple pigment?

TLS Online TPP Program

#Question id: 7541

#General Aptitude

A train travelling at 54km/hr completely crosses another train having half its length and travelling in opposite direction in 18km/hr in 30 second. It also passes a railway platform in 40 seconds. The length of the platform (in meters) is

TLS Online TPP Program

#Question id: 4841

#Unit 8. Inheritance Biology

The tendency of two or more than two genes to stay together during inheritance is called ___________