#plant signaling

Cell Signaling Other Signaling Pathways

Ethylene signaling in plants uses

two-component system, is consistent with established principles of cell signaling, receptor pharmacology and cellular regulation. Experimental measurements of binding parameters, genetic loss-of-function studies and pharmacological interventions all converge on the same interpretation. Related options address neighboring concepts but do not satisfy the precise criterion stated in the question.

Ref: NCERT Biology Class 11–12 Alberts et al Molecular Biology of the Cell Lodish et al, Molecular Cell Biology Cooper & Hausman, The Cell Abbas et al., Cellular and Molecular Immunology (for immunology sections)

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Brassinosteriod

Dephosphorylation of BIN2 is mediated by:

That points to B: BSU1. Compared with the other options, BSU1 is the one that correctly describes the Brassinosteriod concept. The wrong ones are A) PP2A; C) CDG1; D) BAK1. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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Brassinosteriod

BRI1 is localized on the:

That points to B: Plasma membrane. Compared with the other options, Plasma membrane is the one that correctly describes the Brassinosteriod concept. The wrong ones are A) Nuclear membrane; C) ER membrane; D) Tonoplast. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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Brassinosteriod

The receptor for brassinosteroids is:

Correct option is C, BRI1. In Brassinosteriod problems like this, the accurate statement is BRI1; the others are common mix-ups. Not these: A) TIR1; B) GID1; D) PYL. Tissue transport questions usually turn on xylem vs phloem, living vs dead cells, or source vs sink.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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Striglactone

Strigolactone signaling proceeds via:

Answer: C) 26S proteasome pathway. For Striglactone, remember the key idea and you’ll land on this option; the distractors usually swap cause and effect or confuse similar terms. Avoid: A) MAPK pathway; B) cAMP pathway; D) Calcium signaling. Name the process first, then pick the option that describes it — don’t reverse cause and effect.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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Striglactone

The receptor for strigolactones is:

That points to B: D14. Compared with the other options, D14 is the one that correctly describes the Striglactone concept. The wrong ones are A) COI1; C) TIR1; D) ETR1. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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