Practice Questions

TLS Online TPP Program

#Question id: 4619

Within six months of effectively using methicillin to treat S. aureus infections in a community, all new S.aureus infections were caused by MRSA. How can this best be explained?

#Unit 11. Evolution and Behavior

A patient must have become infected with MRSA from another community.
In response to the drug, S. aureus began making drug-resistant versions of the protein targeted by the drug.
Some drug-resistant bacteria were present at the start of treatment, and natural selection increased their frequency.
S. aureus evolved to resist vaccines.

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TLS Online TPP Program

#Question id: 31314

#Unit 6. System Physiology – Plant

Pyruvate is precursor of which secondary metabolite biosynthetic pathway

TLS Online TPP Program

#Question id: 31315

#Unit 6. System Physiology – Plant

Match the following

TLS Online TPP Program

#Question id: 12668

#Unit 6. System Physiology – Plant

What will be the effect of water deficit condition in the plant cell?

TLS Online TPP Program

#Question id: 12669

#Unit 6. System Physiology – Plant

Water potential of plants under various growing conditions, and sensitivity of various physiological processes to water potential, during water potential 0→ -1 MPa, which of the following physiological condition will not be seen ;

TLS Online TPP Program

#Question id: 12670

#Unit 6. System Physiology – Plant

Changement in the physiology or morphology of the individual is a nonpermanent or temporary and that can be reversed if the prevailing environmental conditions change is termed as

TLS Online TPP Program

#Question id: 12671

#Unit 6. System Physiology – Plant

When genetic changes in an entire plant population have been fixed over many generations by selective environmental pressure, those changes are referred to as,