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BOT2603 Assignment 2 (COMPLETE ANSWERS) Semester 1 2024 (696052) - DUE 12 April 2024

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Course BOT2603 - Plant Physiology (BOT2603)
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BOT2603 Assignment 2 (COMPLETE ANSWERS) Semester 1 2024 (696052) - DUE 12 April 2024 ... 100 % TRUSTED workings, explanations and solutions. For assistance call or W.h.a.t.s.a.p.p us on +/ 2/ 5/ 4 /7 /7 /9 /5 /4 /0 /1 /3 /2 . Assignment 02 Due date: 12 April 2024, 8:00 PM Unique number for this assignment: 696052 Question 1 [20] 1.1 What are mycorrhizae, how do they assist a plant in the uptake of nutrient elements? (5) 1.2 An accumulation ratio greater than 1.0 does not necessarily indicate that active transport is involved. Explain this phenomenon. (5) 1.3 Write explanatory notes on how plants regulate the uptake of toxic elements such as heavy metals. (5) 1.4 How does the structure and morphology of roots influence efficient nutrient uptake? (5) [35] (10) (10) (15) [15] (5) Question 2 2.1 Briefly discuss agricultural practices which can improve soil fertility and optimize nutrient availability for plants. 2.2 Summarise how carbon allocation between sucrose and starch synthesis is balanced in order to maintain an efficient operation of photosynthesis. 2.3 Define hydroponics and provide four essential nutrients required by plants for their growth and development. Question 3 3.1 Explain the source-sink principle in plants. 3.2 Discuss the concept of apparent free space. What role does apparent free space play in the uptake of nutrient ions? (10) Total: 70 Marks

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BOT2603
ASSIGNMENT 2 SEMESTER 1 2024

, lOMoARcPSD|21997160




Assignment 02

Due date: 12 April 2024, 8:00 PM

Unique number for this assignment: 696052

Question 1 [20]
1.1 What are mycorrhizae, how do they assist a plant in the uptake of nutrient
elements? (5)
1.2 An accumulation ratio greater than 1.0 does not necessarily indicate that active
transport is involved. Explain this phenomenon. (5)
1.3 Write explanatory notes on how plants regulate the uptake of toxic elements such
as heavy metals. (5)
1.4 How does the structure and morphology of roots influence efficient nutrient
uptake? (5)


Question 2 [35]

2.1 Briefly discuss agricultural practices which can improve soil fertility
and optimize nutrient availability for plants. (10)
2.2 Summarise how carbon allocation between sucrose and starch synthesis is
balanced in order to maintain an efficient operation of photosynthesis. (10)
2.3 Define hydroponics and provide four essential nutrients required by plants for
their growth and development. (15)

Question 3 [15]

3.1 Explain the source-sink principle in plants. (5)
3.2 Discuss the concept of apparent free space. What role does apparent free
space play in the uptake of nutrient ions? (10)
Total: 70 Marks




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Lincoln Taiz, Eduardo Zeiger Plant Physiology
Publisher: mei 2006 ISBN: 9780878938568 Edition: Unknown

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