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2026/2027 Written for academic year
Institution BIOL 1407
Course BIOL 1407
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Questions and Answers

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Questions and Answers

Question 1.
What is the function of root hairs?
Correct Answer: To increase root epidermis for better absorption.


Question 2.
What does the shoot system include?
Correct Answer: Vegetative parts of the plant, such as leaves and stems.


Question 3.
What is secondary growth in plants?
Correct Answer: Growth that increases thickness or girth.


Question 4.
What are the two major plant organ systems?
Correct Answer: Shoot system and root system.


Question 5.
What is primary growth in plants?
Correct Answer: Growth that increases plant length.


Question 6.
What is the function of the epidermis on leaves?
Correct Answer: Mainly for gas exchange.


Question 7.
What does ABA stand for and its function?
Correct Answer: Abscisic acid; it helps plants respond to stress.


Question 8.
What does xylem transport?
Correct Answer: Water and ions from the roots to the stems and leaves.


Question 9.
What is the primary function of the root system?
Correct Answer: To support the plant and absorb water and minerals.


Question 10.
What is the role of spongy mesophyll?
Correct Answer: It allows gaseous exchange between the leaf and the outside
atmosphere.


Question 11.
What are vessel elements?



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