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Water Transport and Transpiration MCQs for Competitive Exams

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Water Transport and Transpiration MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

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Topic Notes: Water Transport and Transpiration

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Water Transport and Transpiration MCQs in Biology are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

Attempt the questions page by page, check the correct answers, read the explanations where available, and compare your weak areas with past papers and mock test performance. Consistent MCQ practice improves speed, confidence, and retention for objective exam sections.

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91
What is the typical state of plant stomata during daylight hours to facilitate gas exchange?
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92
Which ecological classification best describes the water lily?
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93
Which of the following plant structures acts as a source for the translocation of nutrients?
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94
What phenomenon results from the cohesion and adhesion properties of water molecules within plant vascular tissues?
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95
What term describes the positive pressure generated in roots due to the active transport of ions into the xylem?
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96
Which category of plants is characterized by the presence of a thick, waxy, and leathery cuticle on their leaves?
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97
In the root cells _______ pathway becomes discontinuous in the endodermis due to the presence of casparian strip.
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98
By what mechanism is food unloaded from the phloem at the sink end of a plant?
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99
Which environmental factor is primarily responsible for the removal of water vapor from the leaf surface during transpiration?
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100
Which of the following plant structures serves as a primary sink for the translocation of photosynthetic products?
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