Red and far-red lights are perceived by plants through various photoreceptors including phytochromes. The red/far-red reversibility of seed germination was due to the-

a) photoreversibility of phytochrome

b) presence of red and far-red light at different fluence rate

c) Conversion of Pr to Pfr form through the effect of red light

d) equal proportion of red and far red light at same fluence rate

Which of the following combinations is correct?

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#Question id: 10519

#SCPH05 I Biotechnology

Which of the following toxins derived from the fungus Cochliobolus carbonum inhibits specific histone deacetylases in maize?

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#Question id: 677

#SCPH06 I Botany

A helical wheel can be used to show

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#Question id: 6988

#SCPH28 | Zoology

Many cells in the body divide only rarely, if at all; neurons, red blood cells, and keratinocytes are extreme examples. In which portion of the cell cycle would such cells be considered to be?

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#Question id: 12366

#SCPH12 I Genetics

During nucleotide formation addition of purines and pyrimidines on sugar residue occurs at Nitrogen position no.

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#Question id: 10719

#SCPH28 | Zoology

Five Hypotheses Explain How Species Richness Affects Community Services, Following statement are given

A) Community services decline with decreased species richness in a stepwise fashion.

B) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

C) Species richness declines even slightly from its natural levels, community services are reduced immediately

D) Community services change as the number of species increases or decreases, but that the direction of change is not predictable.