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Xylem and Phloem Tissues MCQs for Competitive Exams

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Xylem and Phloem Tissues MCQs for Competitive Exams

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Topic Notes: Xylem and Phloem Tissues

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Quick Overview

Xylem and Phloem Tissues 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.

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61
What substance exits the phloem sieve tubes, leading to a decrease in internal turgor pressure?
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62
Between which two plant tissues does the vascular cambium initially emerge as a layer of actively dividing meristematic cells?
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63
How is the transport of food materials characterized within the phloem tissue of vascular plants?
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64
Which of the following is NOT typically classified as a permanent plant tissue?
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65
What is the primary function of xylem vessels within the vascular system of plants?
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66
Which plant tissue is responsible for transporting water and dissolved minerals from the roots to the aerial parts of the plant?
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67
Which plant tissue is responsible for the translocation of organic nutrients?
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68
In plant physiology, what term is used to describe the plant organs that export sugars, such as mature leaves?
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69
In which group of organisms are xylem and phloem tissues found?
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70
How does the active loading of sugar into the sieve tube elements affect the local solute concentration?
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