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#shade avoidance

2 public questions tagged with this topic.

PHYTOCHROME+PYQS

Shade avoidance responses are triggered when the R:FR ratio is:

Go with C — Low. Under PHYTOCHROME, this is the standard explanation you’d use in class: it names the real driver or definition, while the rest are nearby but wrong. Not these: A) High; B) Unchanged; D) Zero. When two options sound similar, choose the one that matches the textbook definition most tightly.

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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PSS-Sec-E-Sensory biology

Under canopy shade, plants show increased stem elongation due to:

That points to B: Low Pfr. Compared with the other options, Low Pfr is the one that correctly describes the PSS-Sec-E-Sensory biology concept. The wrong ones are A) High Pfr; C) High Pr; D) Absence of phytochrome. 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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