Practice Questions

TLS Online TPP Program

#Question id: 1427

In females, all the cells in a tumor have the same inactive X chromosome. The reason for this is that:

#4. Cell Communication and Cell Signaling

all of the cells in a tumor are derived from a single progenitor cell.
all late-stage tumors have chromosome abnormalities.
multiple mutations are required for tumor induction.
many tumor-suppressor genes are on the X chromosome.

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TLS Online TPP Program

#Question id: 10981

#7. System Physiology – Animal

Which of the following structures will have the slowest rate of conduction of the cardiac action potential?

TLS Online TPP Program

#Question id: 23462

#Aptitude

Statement— Should all the annual examinations up to Std. V be abolished?

I)Yes the young student should not be burdened with such examinations which hampers their natural growth.

II) No. The students will not study seriously as they will get automatic promotion to the next class and this will affect them in future.

TLS Online TPP Program

#Question id: 662

#1. Molecules and their Interaction Relevant to Biology

________ received a Nobel Prize in 1964 for determining the structure of vitamin B12. He/she also solved the structure of penicillin in 1947 and developed many techniques used in the study of large proteins.

TLS Online TPP Program

#Question id: 18390

#12. Applied Biology

Which bacterium is mainly found at quite high ionizing radiation zones or areas?

TLS Online TPP Program

#Question id: 23507

#Aptitude

Which one of the following is the oldest Archival source of data in India?