Practice Questions

TLS Online TPP Program

#Question id: 1390

Which of the following statements describes the events of apoptosis?

#Section 3: Genetics, Cellular and Molecular Biology

The cell dies, it is lysed, its organelles are phagocytized, and its contents are recycled.
The cell's DNA and organelles become fragmented, the cell dies, and it is phagocytized.
The cell's DNA and organelles become fragmented, the cell shrinks and forms blebs, and the cell's parts are packaged in vesicles that are digested by specialized cells.
The cell's nucleus and organelles are lysed, and then the cell enlarges and bursts.

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TLS Online TPP Program

#Question id: 14334

#Section 5: Bioprocess Engineering and Process Biotechnology

Laboratory-scale fermenters are usually mixed using small stirrers with electric motors rated between 100 and 500 W. One such motor is used to drive a 7cm turbine impeller in a small reactor containing fluid with the properties of water. The stirrer speed is 900 rpm. Estimate the power requirements for this process.

TLS Online TPP Program

#Question id: 23145

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

A chemical is said to be fluorescent if it absorbs light at one wavelength (excitation) and emits light (fluoresces) at a specific

TLS Online TPP Program

#Question id: 8914

#Section 6: Plant, Animal and Microbial Biotechnology

Which of the following is (are) unique to animals?

TLS Online TPP Program

#Question id: 14727

#Section 1: Engineering Mathematics

Two persons A and B have respectively n + 1 and n coins, which they toss simultaneously. Then the probability that A will have more heads than B is