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#plant water relations question

4 public questions tagged with this topic.

WATER POTENTIAL+PYQS

Major components of water potential in living cells are:

The right choice is C: Ψs and Ψp. In WATER POTENTIAL, that matches how the process or concept actually works — the other choices mix up related ideas or use the wrong mechanism. Skip these: A) Ψs and Ψg; B) Ψp and Ψg; D) Ψm and Ψg. A quick check: if an option needs energy, pumps, or the opposite direction of movement, ask whether that really applies.

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 POTENTIAL+PYQS

Correct order of water potential in plant is:

Go with B — Ψsoil > Ψroot > Ψstem > Ψleaf > Ψatmosphere. Under WATER POTENTIAL, 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) Ψleaf > Ψroot > Ψsoil; C) Ψroot > Ψsoil > Ψleaf; D) Ψatmosphere > Ψleaf > Ψroot. 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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WATER POTENTIAL+PYQS

Movement of water occurs from:

Correct option is B, Higher to lower Ψw. In WATER POTENTIAL problems like this, the accurate statement is Higher to lower Ψw; the others are common mix-ups. Not these: A) Lower to higher Ψw; C) Equal Ψw only; D) Random direction. 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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WATER POTENTIAL+PYQS

Unit of water potential is:

Answer: B) Pascal. For WATER POTENTIAL, remember the key idea and you’ll land on this option; the distractors usually swap cause and effect or confuse similar terms. Avoid: A) Joule; C) Atmosphere; D) Kelvin. 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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