#solute potential

PSS- Sec-F-Transport

Increase in solute concentration affects water potential by:

Answer: C) Lowering ψw. For PSS- Sec-F-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) Increasing ψw; B) Making ψw less negative; D) No effect. 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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PSS- Sec-F-Transport

Major factors contributing to water potential (ψw) include:

Go with B — ψs, ψp and ψg. Under PSS- Sec-F-Transport, 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) ψs and ψp only; C) ψp and ψg only; D) ψs and ψm only. 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

Higher solute concentration inside cell causes:

That points to C: Water inflow and turgor. Compared with the other options, Water inflow and turgor is the one that correctly describes the WATER POTENTIAL concept. The wrong ones are A) Water to move out; B) Decrease in Ψp; D) Cell death. 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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WATER POTENTIAL+PYQS

Osmotic potential is independent of:

Nature of solute (B) is correct here. This is core WATER POTENTIAL: once you know the definition or pathway step, Nature of solute is the clear fit. The wrong ones are A) Solute concentration; C) Temperature; D) Pressure. 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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WATER POTENTIAL+PYQS

Solute potential (Ψs) is always:

The right choice is C: Negative. 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) Positive; B) Zero; D) Equal to Ψp. 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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