Practice Questions

TLS Online TPP Program

#Question id: 2621

The leaky expression of lac genes ensures that,

#SCPH01 Biochemistry

There is a normal level of b-galactosidase in the cell even in the absence of lactose
Only allolactose binds to the Lac repressor and triggers a change in the shape of that protein.
Allolactose has permanently altered the shape of the repressor.
Only low level of b-galactosidase in the cell even in the absence of lactose.

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TLS Online TPP Program

#Question id: 2285

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

Assuming all other factors to be the same, electron microscopes have greater resolving power than light microscopes because.

TLS Online TPP Program

#Question id: 19329

#SCPH01 Biochemistry

Which one of the following measures the blood, glucose, and sugar levels?

TLS Online TPP Program

#Question id: 3429

#SCPH28 | Zoology

Which of the following is a behavioral pattern that results from a proximate cause?

TLS Online TPP Program

#Question id: 5844

#SCPH06 I Botany

In homologous genetic recombination, RecA protein is involved in:

TLS Online TPP Program

#Question id: 14497

#SCPH28 | Zoology

In a throw of 3 dice the probability that at least one die shows up 1 is