Three main classes of photoreceptors mediate the effects of UV-A/blue light:

a) the cryptochromes,

b) the phototropins,

c) the phytochrome and

d) the ZEITLUPE (ZTL)

Function of these photoreceptors are-

i) that can promote plant photomorphogenesis

ii) plays roles in day length perception and circadian rhythms

iii) regulate chloroplast movements, and stomatal opening

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#Question id: 895

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is van’t Hoff plot equation?

TLS Online TPP Program

#Question id: 7760

#Unit 5. Developmental Biology

In general, the hormones that regulate senescence can be divided into two basic categories based on their most commonly observed effects:

I) positive (promoting) senescence regulators and

II) negative (repressing) senescence regulators

a) Hormones involved-Ethylene, Abscisic acid (ABA)

b) Hormones involved-Brassinosteroids (BRs), Salicylic acid (SA), Jasmonic acid (JA)

c) Hormones involved-Cytokinin, Auxin, Gibberellin (GAs)

Select correct combinations from given hormones which are involved in regulators?

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#Question id: 4302

#Unit 3. Fundamental Processes

Which one of the following proteins is involved in promoter recognition in eukaryotes?

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#Question id: 32922

#Unit 2. Cellular Organization

Which control system stimulates sister-chromatid separation, leading to the completion of mitosis and cytokinesis?

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#Question id: 28863

#Unit 2. Cellular Organization

Melanophores are cells of the vertebrate skin that contain hundreds of dark melanin-filled pigment granules called melanosomes. Melanophores either have their melanosomes dispersed or aggregated by__