6 public questions tagged with this topic.
Phloem loading occurs via sieve tube elements and companion cells, not through xylem vessels.
Ref: NCERT Class 11 Biology Chapter 6: Anatomy of Flowering Plants Secondary Growth - Dicot Stem Root and Wood
Answer: B) Wall ingrowths. For PHLOEM TRANSLOCATION, remember the key idea and you’ll land on this option; the distractors usually swap cause and effect or confuse similar terms. Avoid: A) Large vacuoles; C) Sieve plates; D) Tonoplast. 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.
C fits best: Numerous plasmodesmata. Keep the PHLOEM TRANSLOCATION basics straight and Numerous plasmodesmata stands out as the precise answer. Avoid: A) Few plasmodesmata; B) No chloroplasts; D) Thick lignified walls. Light and flowering items often hinge on which photoreceptor or day-length rule is in play.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
Sugar accumulation in source leaves (C) is correct here. This is core PHLOEM TRANSLOCATION: once you know the definition or pathway step, Sugar accumulation in source leaves is the clear fit. The wrong ones are A) Normal growth; B) Increased translocation; D) Enhanced sink strength. If the topic is about gradients or potentials, water/solutes move from higher to lower of the relevant quantity.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
C fits best: Uniporters. Keep the PHLOEM TRANSLOCATION basics straight and Uniporters stands out as the precise answer. Avoid: A) ATP-driven pumps; B) Antiporters; D) Symporters. Light and flowering items often hinge on which photoreceptor or day-length rule is in play.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
Apoplastic loading (B) is correct here. This is core PHLOEM TRANSLOCATION: once you know the definition or pathway step, Apoplastic loading is the clear fit. The wrong ones are A) Symplastic loading; C) Polymer trapping; D) Unloading only. If the topic is about gradients or potentials, water/solutes move from higher to lower of the relevant quantity.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
