Types of flowers

Hypogynous flower- The ovary in such flowers is said to be superior,  e.g., mustard, china rose and brinjal.

Perigynous flower- The ovary here is said to be half inferior. e.g., plum, rose, peach. (Rosaceae)

Epigynous flowers, the ovary is said to be inferior. e.g., guava and cucumber, and the ray florets of sunflower.

TLS Online TPP Program

#Id: 9860

#XL - R Botany

In the dark, the maximum absorption of the FMN chromophore is around 450 nm. 

Blue light induces the formation of a covalent bond between FMN and a cysteine residue, shifting the absorption maximum to 390 nm via a LOV660 intermediate form. The reaction is reversible in darkness.

TLS Online TPP Program

#Id: 9861

#XL - R Botany

LOV2 domain is essential for blue light–induced kinase activation and autophosphorylation of the phototropin photoreceptor.

TLS Online TPP Program

#Id: 9862

#XL - R Botany

TLS Online TPP Program

#Id: 9863

#XL - R Botany

TLS Online TPP Program

#Id: 9864

#XL - R Botany

Phot2 plays a key role in the avoidance response, and that both phot1 and phot2 contribute to the accumulation response.

TLS Online TPP Program

#Id: 9865

#XL - R Botany

A novel F-actin-binding protein, CHLOROPLAST UNUSUAL POSITIONING1 (CHUP1) catalyses chloroplast movement.