50 Questions
Which of the following is not a function of root systems in plants?
Photosynthesis
From which part of a plant embryo does the root system originate?
Radicle
What type of root system is common in dicotyledons?
Tap root system
What is the main role of root systems in plants?
Nutrient uptake
Which type of root system is not mentioned in the text?
Tuberous root system
What is the main function of lateral roots?
Nutrient uptake
Which of the following is not a function of root systems in plants related to plant growth and survival?
Photosynthesis
What is the main function of the primary root in dicotyledons?
To develop lateral roots
Which of the following is not a type of root system mentioned in the text?
Tuberous root system
What is the main function of storage roots?
Storage
What type of root system is typically found in monocotyledons?
Fibrous or adventitious root system
Which tissue in roots is responsible for the upward transport of water and mineral salts?
Xylem
What is the main function of the epidermis in dicotyledonous roots?
Water and mineral absorption
What is the role of the Casparian strip in the endodermis of dicotyledonous roots?
Regulating water flow
What is the primary role of transpiration in plant physiology?
Aiding in cooling and nutrient distribution
What is the mechanism that drives the upward movement of water and nutrients in plants?
Transpirational pull
Which process is influenced by the cohesive and adhesive properties of water in plants?
Transpiration
What tissue in dicotyledonous roots is responsible for producing new xylem and phloem tissues?
Cambium
What is the main function of phloem in roots?
Transporting organic nutrients
How does transpiration support non-woody plants?
By maintaining cell turgor pressure
What is the main function of storage roots in plants?
Acting as storage sites for nutrients and carbohydrates
Which function does transpiration support in plants?
Exposure to sunlight
What is the primary role of nutrient uptake by roots in plants?
Supporting various physiological processes
Which type of root system is characterized by a main tap root that develops lateral roots?
Tap root system
What is the function of roots in the translocation of water and nutrients?
Transportation to stems and leaves
In dicotyledonous plants, what part of the plant embryo gives rise to the root system?
Radicle
Which physiological process is supported by the structural support provided by roots to stems and leaves?
Photosynthesis
What is the main function of the endodermis in dicotyledonous roots?
Regulates water flow to the xylem and phloem
Which tissue in roots is primarily responsible for maintaining cell turgor pressure?
Cortex
How does the transpirational pull contribute to plant physiology?
Drives upward movement of water and nutrients
Which tissue in dicotyledonous roots encircles the stele and contributes to lateral root growth?
Pericycle
What is the main function of the capillary action in the context of root functionalities?
Drives upward movement of water and nutrients
Which tissue is responsible for providing shape, protection, and strength in dicotyledonous roots?
Cambium
What is the primary role of the phloem tissue in dicotyledonous roots?
Transports organic nutrients from leaves downward
What is the main function of the epidermis in root functionality?
Absorbs water and minerals
What is the primary function of the Cambium in dicotyledonous roots?
Producing new xylem and phloem tissues
Which tissue in roots features the Casparian strip and controls water flow to the xylem and phloem?
Endodermis
In dicotyledonous root systems, what is the main role of the Pericycle tissue?
Encircling the stele for lateral root growth
What is the primary function of Collenchyma and Sclerenchyma in roots?
Providing mechanical support and strength
Which tissue is responsible for facilitating the transport of organic nutrients from leaves to roots?
Phloem
What process is essential for nutrient distribution and maintaining plant turgidity through upward movement of water?
Transpiration
What is the main role of Xylem tissue in roots?
Transporting water and mineral salts
Which tissue contributes to root functionalities by producing new xylem and phloem tissues?
Cambium
Which of the following is a primary function of modified roots in plants?
Reproduction
Which layer in the roots of dicotyledonous plants is responsible for limiting the apoplastic movement of water?
Endodermis
Which type of root system is characterized by a shallow and fibrous network of roots?
Fibrous Root System
Which plant tissue in roots primarily facilitates the downward movement of water and nutrients via capillary action?
Xylem
Which physiological process is supported by the structural support provided by roots to stems and leaves in plant growth?
Photosynthesis
Which tissue in dicotyledonous roots is responsible for the downward transport of sugars and other organic materials?
Phloem
Which plant tissue in dicotyledonous roots encircles the stele and regulates the flow of water and nutrients into the central vascular cylinder?
Endodermis
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