The formation of nucleosomes is the first step in a process that allows the eukaryotic DNA to be folded into much more compact structures that reduce the linear length by as much as

TLS Online TPP Program

#Question id: 29489

#Unit 6. System Physiology – Plant

The ribotide and riboside forms of trans-zeatin can be interconverted, and free transzeatin can be formed from the ribotide by the

TLS Online TPP Program

#Question id: 29490

#Unit 6. System Physiology – Plant

Some statement is given related to cytokinin regarding location, expression and synthesis and concentration

a. IPT1, IPT3, IPT5, and IPT8 are located in plastids

b. KNOX gene expression increases cytokinin levels in the shoot with the help of IPT7

c. Cytokinin Primary site of synthesis -- root tips.

d. High concentrations -- immature seeds and developing fruits

Which one of the following options represents the combination of all correct statements?

TLS Online TPP Program

#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

TLS Online TPP Program

#Question id: 10386

#Unit 6. System Physiology – Plant

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

TLS Online TPP Program

#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?