Practice Questions

TLS Online TPP Program

#Question id: 4318

Which of the following statements correctly describes a characteristic of tumor-suppressor gene?

#SCPH01 Biochemistry

They are frequently overexpressed in cancerous cells.
They are cancer-causing genes introduced into cells by viruses.
They encode proteins that help prevent uncontrolled cell growth.
They often encode proteins that stimulate the cell cycle.

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TLS Online TPP Program

#Question id: 10387

#SCPH06 I Botany

Action spectrum stimulated phototropism in oat coleoptiles. The “three finger” pattern in the 400–500 nm region is characteristic of-

TLS Online TPP Program

#Question id: 10388

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

Phytochrome can interconvert between Pr and Pfr forms, Pr receives red light and converts into Pfr while Pfr receives far-red light and then converts into Pr, so which form of phytochrome is responsible for seed germinations?

TLS Online TPP Program

#Question id: 10388

#SCPH05 I Biotechnology

Phytochrome can interconvert between Pr and Pfr forms, Pr receives red light and converts into Pfr while Pfr receives far-red light and then converts into Pr, so which form of phytochrome is responsible for seed germinations?

TLS Online TPP Program

#Question id: 10388

#SCPH06 I Botany

Phytochrome can interconvert between Pr and Pfr forms, Pr receives red light and converts into Pfr while Pfr receives far-red light and then converts into Pr, so which form of phytochrome is responsible for seed germinations?

TLS Online TPP Program

#Question id: 10389

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

The amount of light absorb by the plant per square meter (µmol m–2) known as

TLS Online TPP Program

#Question id: 10389

#SCPH05 I Biotechnology

The amount of light absorb by the plant per square meter (µmol m–2) known as