Practice Questions

TLS Online TPP Program

#Question id: 1392

In the nematode C. elegans, ced-9 prevents apoptosis in a normal cell in which of the following ways?

#Unit 4. Cell Communication and Cell Signaling

It prevents the caspase activity of ced-3 and ced-4.
Ced-9 remains inactive until it is signaled by ced-3 and other caspases.
Ced-9 cleaves to produce ced-3 and ced-4.
Ced-9 prevents blebbing by its action on the cell membrane.

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TLS Online TPP Program

#Question id: 15010

#Unit 8. Inheritance Biology

The phenomenon where half the "normal" level of functional protein is not enough to generate a normal phenotype is called haploinsufficiency. Which of the following situations demonstrates haploinsufficiency?

TLS Online TPP Program

#Question id: 23522

#General Aptitude

Biosphere Reserves are also notified as

TLS Online TPP Program

#Question id: 24145

#General Aptitude

UMBRAGE : OFFENSE

TLS Online TPP Program

#Question id: 16789

#Unit 13. Methods in Biology

The median of number 50, 48, 47, 48.5, 50.5, 52, 48.8, 46 will be:

TLS Online TPP Program

#Question id: 20540

#Unit 12. Applied Biology

Toluene, ethylbenzene and xylene must be kept to ________levels in drinking and recreational waters due to their toxicity