Practice Questions

TLS Online TPP Program

#Question id: 67

When a region of DNA must be repaired by removing and replacing some of the nucleotides, what ensures that the new nucleotides are in the correct sequence?

#Unit 1. Molecules and their Interaction Relevant to Biology

DNA cannot be repaired and this explains why mutations occur.
The new nucleotides base pair accurately with those on the complementary strand.
The repair enzyme recognizes the removed nucleotide and brings in an identical one to replace it.
The three-dimensional structure determines the order of nucleotides.

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TLS Online TPP Program

#Question id: 10406

#Unit 6. System Physiology – Plant

Which one of the following photoreceptors is under circadian control and regulates the expression of clock-regulated genes?

TLS Online TPP Program

#Question id: 4591

#Unit 11. Evolution and Behavior

Which of the following factors could cause a surge in population size?

TLS Online TPP Program

#Question id: 4321

#Unit 3. Fundamental Processes

A genetic test to detect predisposition to cancer would likely examine the APC gene for involvement in which type(s) of cancer?

TLS Online TPP Program

#Question id: 827

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following factor are not responsible for the protein denaturation?

TLS Online TPP Program

#Question id: 23944

#General Aptitude

The agency which have founded SCOVE is