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?

#XL - S Microbiology

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: 10232

#XL - T Zoology

Which of the following is incorrect statement?

TLS Online TPP Program

#Question id: 20158

#XL - P Chemistry

In a set of degenerate orbitals the electrons distribute themselves to retain similar spins as far as possible. This statement is attributed to

TLS Online TPP Program

#Question id: 11645

#XL - T Zoology

Which of the following is inconsistent with the diagnosis of Graves’ disease?

TLS Online TPP Program

#Question id: 19497

#XL - P Chemistry

Isotopes of an element have ————–

TLS Online TPP Program

#Question id: 11569

#XL - T Zoology

Oxytocin and antidiuretic hormone (ADH) are synthesized in the ________ but released from the ________.