Practice Questions

TLS Online TPP Program

#Question id: 370

Which of the following statements is true about buffer solutions?

#SCPH01 Biochemistry

They maintain a constant pH of 7.
They maintain a constant pH when acids are added to them but not when bases are added to them.
They fluctuate in pH when either acids or bases are added to them.
They maintain a relatively constant pH when either acids or bases are added to them.

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TLS Online TPP Program

#Question id: 5040

#I Life Science/ Life Sciences Group – I-V

The establishment of the anterior-posterior or dorsal-ventral body axes is called:

TLS Online TPP Program

#Question id: 98

#SCPH06 I Botany

The elasticity and resistance to compression of connective tissue is due to

TLS Online TPP Program

#Question id: 283

#SCPH12 I Genetics

The 30 nm fibers of a chromosome are attached to a/an ________ scaffold that holds the fibers in large loops.

TLS Online TPP Program

#Question id: 2942

#SCPH01 Biochemistry

During mitosis, the breakdown of the nuclear envelope depends on the:

TLS Online TPP Program

#Question id: 11590

#SCPH06 I Botany

Seed germination may require gibberellins for one of several possible steps: