Practice Questions

TLS Online TPP Program

#Question id: 58

A covalent chemical bond is one in which ________.

#SCPH28 | Zoology

electrons are removed from one atom and transferred to another atom so that the two atoms become oppositely charged
protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms
outer-shell electrons of two atoms are shared so as to satisfactorily fill their respective orbitals
outer-shell electrons of one atom are transferred to fill the inner electron shell of another atom

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TLS Online TPP Program

#Question id: 13032

#SCPH05 I Biotechnology

In SDS-PAGE, protein sample is first treated with detergent sodium dodecyl sulfate (SDS), in order to

TLS Online TPP Program

#Question id: 10281

#SCPH05 I Biotechnology

Gluconeogenesis is particularly important in plants such as the castor oil plant Ricinus communis and sunflower that store carbon in which form .

TLS Online TPP Program

#Question id: 7759

#SCPH28 | Zoology

WRKY plant-specific group of transcription factors that play important role in many plant metabolic and developmental processes such as;

a) It contain a 30 amino acid region named for the conserved amino acid sequence WRKYGQK in its N-terminal domain

b) It is an important regulators of plant–pathogen interactions as well as senescence

c) WRKY53 is involved in the regulation of dark-induced leaf senescence

d) In Arabidopsis, leaf senescence is delayed in knockout mutants of the WRKY53 gene

e) WRKY53 also binds to the promoter of the WRKY53 gene, inhibiting its own expression in a negative feedback loop

Which of the following given prediction about WRKY transcription factor is correct?

TLS Online TPP Program

#Question id: 1736

#SCPH01 Biochemistry

Lipopolysaccharide (LPS) from Gram-negative bacteria is:

TLS Online TPP Program

#Question id: 10972

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

What is the proper pathway for the extrinsic clotting pathway?