Practice Questions

TLS Online TPP Program

#Question id: 5261

Which of these statements about prokaryotes is correct?

#SCPH06 I Botany

Bacterial cells conjugate to mutually exchange genetic material.
Their genetic material is confined within a nuclear envelope.
They divide by binary fission, without mitosis or meiosis.
Genetic variation in bacteria is not known to occur, nor should it occur, because of their asexual mode of reproduction.

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TLS Online TPP Program

#Question id: 7292

#SCPH28 | Zoology

How is plant cell cytokinesis different from animal cell cytokinesis?

TLS Online TPP Program

#Question id: 15223

#SCPH01 Biochemistry

Which of the following method is particularly useful for separating isoenzymes

TLS Online TPP Program

#Question id: 13038

#SCPH05 I Biotechnology

Please arrange the following steps about ELIZA (Enzyme-linked immunosorbent assay) in chronological order

i. incubate with antibody-enzyme complex that binds primary antibody

ii. coat surface with antigen, block unoccupied sites with nonspecific protein

iii. add substrate, formation of colored product indicates presence of specific antigen

iv. incubate with primary antibody against specific antigen

TLS Online TPP Program

#Question id: 5022

#SCPH06 I Botany

Almost all of the major animal body plans seen today appeared in the fossil record over 500 million years ago at the beginning of the

TLS Online TPP Program

#Question id: 10565

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

The term Yp is the hydrostatic pressure of the solution