Infolding of a sheet of epithelium cells which are mainly seen in the sea urchin endoderm ?

TLS Online TPP Program

#Question id: 10384

#Unit 6. System Physiology – Plant

Nitrogenase enzyme complex catalyzes the molecular nitrogen fixation, this enzyme not only fixes nitrogen but also perform other reactions given below. Which one is not performed by nitrogenase?

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#Question id: 10385

#Unit 6. System Physiology – Plant

The leaves of many species are able to bend toward the sun during its progress across the sky, a phenomenon known as

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#Question id: 10386

#Unit 6. System Physiology – Plant

 During light-regulated plant development many seeds require light to germinate, a process called

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#Question id: 10387

#Unit 6. System Physiology – Plant

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

#Unit 6. System Physiology – Plant

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

#Unit 6. System Physiology – Plant

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