Practice Questions

TLS Online TPP Program

#Question id: 5214

What is the most probable explanation for the continued presence of pseudogenes in a genome such as our own?

#Unit 11. Evolution and Behavior

They are genes that had a function at one time, but that have lost their function because they have been translocated to a new location.
They are genes that have accumulated mutations to such a degree that they would code for different functional products if activated.
They are duplicates or near duplicates of functional genes but cannot function because they would provide inappropriate dosage of protein products.
They are genes that are not expressed, even though they have nearly identical sequences to expressed genes.

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TLS Online TPP Program

#Question id: 23521

#General Aptitude

Ozone layer depletion or hole in ozone layer is being chiefly found in

TLS Online TPP Program

#Question id: 15602

#Unit 12. Applied Biology

The antibiotic erythromycin, the immunosuppressive drug FK506, and the cholesterol-lowering drug lovastatin all belong to which class.

TLS Online TPP Program

#Question id: 19475

#Unit 12. Applied Biology

The cry gene of B. Thuringiensis produces a protein, which forms crystalline inclusions in the bacterial spores. These crystal proteins are responsible for the

TLS Online TPP Program

#Question id: 17215

#Unit 7. System Physiology – Animal

What do you mean by local adaption system (LAS)?

TLS Online TPP Program

#Question id: 4944

#Unit 11. Evolution and Behavior

What is true of the amino acids that might have been delivered to Earth within carbonaceous chondrites?