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Test: Translocation - Year 11 MCQ


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10 Questions MCQ Test - Test: Translocation

Test: Translocation for Year 11 2024 is part of Year 11 preparation. The Test: Translocation questions and answers have been prepared according to the Year 11 exam syllabus.The Test: Translocation MCQs are made for Year 11 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Translocation below.
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Test: Translocation - Question 1

What is the primary role of sieve plates in phloem cells?

Detailed Solution for Test: Translocation - Question 1
Sieve plates in phloem cells have pores that facilitate the smooth transfer of sugars and amino acids from one cell to another.
Test: Translocation - Question 2

During which period do leaves primarily act as sources of nutrients in the plant?

Detailed Solution for Test: Translocation - Question 2
In summer, leaves are actively photosynthesizing and thus become the main sources of sugars which are then transported to other parts of the plant.
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Test: Translocation - Question 3

How does translocation differ from the process occurring in xylem vessels?

Detailed Solution for Test: Translocation - Question 3
Translocation in the phloem involves the movement of sugars and amino acids, whereas xylem vessels primarily transport water and minerals.
Test: Translocation - Question 4
What happens to the phloem's role in nutrient transport during the winter?
Detailed Solution for Test: Translocation - Question 4
During winter, phloem transports dissolved sugars and amino acids from storage organs to sustain the plant’s respiration.
Test: Translocation - Question 5
What are the living components found in phloem tissue?
Detailed Solution for Test: Translocation - Question 5
Phloem tissue contains living components such as sieve tubes and companion cells which are involved in nutrient transport.
Test: Translocation - Question 6
What is the main function of companion cells in phloem?
Detailed Solution for Test: Translocation - Question 6
Companion cells help in loading and unloading nutrients into sieve tubes, supporting the overall function of phloem in nutrient transport.
Test: Translocation - Question 7
In which part of the plant does translocation primarily occur?
Detailed Solution for Test: Translocation - Question 7
Translocation primarily occurs in phloem tubes, which are responsible for moving nutrients throughout the plant.
Test: Translocation - Question 8

What is a sink of translocation?

Detailed Solution for Test: Translocation - Question 8

In translocation, a sink is a part of the plant where nutrients are stored or used, such as roots or fruits.

Test: Translocation - Question 9
Which of the following is NOT a characteristic of phloem tissue?
Detailed Solution for Test: Translocation - Question 9
Phloem does not transport water from roots to leaves; this function is performed by xylem tissue.
Test: Translocation - Question 10
During periods of growth like spring, which plant part typically serves as a source of nutrients?
Detailed Solution for Test: Translocation - Question 10
During spring, when growth is active, leaves, being the primary sites of photosynthesis, serve as the source of nutrients.
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