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#phloem transport MCQ

3 public questions tagged with this topic.

PSS- Sec-F-Transport

Non-reducing sugars are preferred for phloem transport because they are:

Pick B: Less reactive. Thinking through PSS- Sec-F-Transport step by step rules out the lookalikes and leaves Less reactive. Skip these: A) Highly reactive; C) Less soluble; D) Energy rich. For hormones and genes, match the molecule or gene to its real role, not a neighboring pathway.

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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PHLOEM TRANSLOCATION+PYQS

The most abundant carbohydrate translocated in phloem sap is:

Correct option is C, Sucrose. In PHLOEM TRANSLOCATION problems like this, the accurate statement is Sucrose; the others are common mix-ups. Not these: A) Glucose; B) Fructose; D) Starch. 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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PHLOEM TRANSLOCATION+PYQS

Phloem translocation is defined as the long-distance movement of:

Answer: C) Photoassimilates through phloem. 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) Water through xylem; B) Mineral ions through cortex; D) Hormones through xylem. 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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