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#plant anatomy question

4 public questions tagged with this topic.

PSS- Sec-F-Transport

Xylem in vascular plants is characterized by presence of which conducting elements?

Tracheary elements (C) is correct here. This is core PSS- Sec-F-Transport: once you know the definition or pathway step, Tracheary elements is the clear fit. The wrong ones are A) Sieve tubes; B) Companion cells; D) Parenchyma cells. 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.

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PHLOEM TRANSLOCATION+PYQS

Sieve cells instead of sieve tubes occur in:

Pick C: Gymnosperms. Thinking through PHLOEM TRANSLOCATION step by step rules out the lookalikes and leaves Gymnosperms. Skip these: A) Angiosperms; B) Monocots; D) Dicots. 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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WATER TRANSPORT+PYQS

Xylem vessels are dead at maturity to:

That points to C: Reduce resistance to water flow. Compared with the other options, Reduce resistance to water flow is the one that correctly describes the WATER TRANSPORT concept. The wrong ones are A) Store nutrients; B) Conduct food; D) Increase metabolism. 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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MINERAL Transport+PYQS

Casparian strip is composed mainly of:

Answer: C) Suberin and lignin. For MINERAL Transport, remember the key idea and you’ll land on this option; the distractors usually swap cause and effect or confuse similar terms. Avoid: A) Cellulose and pectin; B) Cutin and wax; D) Hemicellulose. 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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