Plant Cells and Tissues MCQs

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4 months ago

Which of the following is the basic unit of life in plants?
- A) Tissue
- B) Organ
- C) Cell
- D) Organism
What is the function of parenchyma cells in plants?
- A) Storage and photosynthesis
- B) Structural support
- C) Transport of water
- D) Nutrient transport
Which type of plant tissue is responsible for photosynthesis?
- A) Collenchyma
- B) Sclerenchyma
- C) Parenchyma
- D) Meristematic tissue
What is the main function of xylem in plants?
- A) Transport of water and minerals
- B) Transport of sugars
- C) Photosynthesis
- D) Storage
Which cells provide support in young stems and petioles?
- A) Parenchyma
- B) Collenchyma
- C) Sclerenchyma
- D) Meristematic cells
What is the function of sclerenchyma cells?
- A) Provide structural support
- B) Conduct water
- C) Store nutrients
- D) Perform photosynthesis
Which type of plant tissue is responsible for growth?
- A) Vascular tissue
- B) Meristematic tissue
- C) Ground tissue
- D) Protective tissue
What is the primary role of phloem?
- A) Transport of nutrients and sugars
- B) Transport of water
- C) Provide structural support
- D) Storage of starch
Which structure regulates the exchange of gases in leaves?
- A) Stomata
- B) Cuticle
- C) Epidermis
- D) Mesophyll
What type of cells are found in the epidermis of plants?
- A) Parenchyma
- B) Dermal cells
- C) Collenchyma
- D) Sclerenchyma
Which type of meristematic tissue is responsible for secondary growth?
- A) Apical meristem
- B) Lateral meristem
- C) Intercalary meristem
- D) Parenchyma
What is the primary function of guard cells?
- A) Regulate stomatal opening and closing
- B) Conduct water
- C) Provide structural support
- D) Store nutrients
Which type of tissue forms the outer protective covering of the plant?
- A) Dermal tissue
- B) Ground tissue
- C) Vascular tissue
- D) Meristematic tissue
Which plant cells are dead at maturity and provide strength?
- A) Parenchyma
- B) Sclerenchyma
- C) Collenchyma
- D) Meristematic cells
What type of cells are responsible for the transport of water in xylem?
- A) Tracheids and vessel elements
- B) Sieve tube elements
- C) Companion cells
- D) Parenchyma
What tissue type is primarily involved in the storage of food in plants?
- A) Vascular tissue
- B) Dermal tissue
- C) Ground tissue
- D) Meristematic tissue
Which plant structure is mainly responsible for nutrient transport?
- A) Phloem
- B) Xylem
- C) Ground tissue
- D) Epidermis
What is the role of intercalary meristem?
- A) Growth in length of stems and leaves
- B) Secondary growth
- C) Growth at the root tips
- D) Storage of nutrients
What type of cells make up the mesophyll in leaves?
- A) Chlorenchyma
- B) Sclerenchyma
- C) Epidermal cells
- D) Parenchyma
Which plant cells are specialized for photosynthesis?
- A) Parenchyma
- B) Chloroplasts-containing cells
- C) Guard cells
- D) Sclerenchyma
Which of the following tissues is involved in the transport of hormones and signaling molecules?
- A) Ground tissue
- B) Phloem
- C) Xylem
- D) Epidermis
Which type of plant tissue includes both parenchyma and collenchyma?
- A) Vascular tissue
- B) Ground tissue
- C) Dermal tissue
- D) Meristematic tissue
What type of cells are found in the heartwood of a tree?
- A) Living parenchyma
- B) Dead xylem cells
- C) Sclerenchyma
- D) Companion cells
Which cells make up the majority of the plant’s internal tissue?
- A) Sclerenchyma
- B) Collenchyma
- C) Parenchyma
- D) Vascular tissue
What is the primary function of cork cells in the plant?
- A) Conduct water
- B) Protect the plant
- C) Store food
- D) Photosynthesis
Which plant cells are primarily involved in the repair and regeneration of tissues?
- A) Collenchyma
- B) Meristematic cells
- C) Parenchyma
- D) Sclerenchyma
What type of plant tissue consists of living cells and is involved in nutrient transport?
- A) Xylem
- B) Phloem
- C) Sclerenchyma
- D) Collenchyma
Which type of parenchyma is specialized for storage and usually contains large vacuoles?
- A) Aerenchyma
- B) Chlorenchyma
- C) Collenchyma
- D) Sclerenchyma
What is the main difference between tracheids and vessel elements?
- A) Tracheids are narrower and longer.
- B) Vessel elements are dead.
- C) Tracheids conduct sugars.
- D) Vessel elements are found in gymnosperms.
What type of plant tissue is composed of thin-walled cells that can differentiate into other types?
- A) Sclerenchyma
- B) Meristematic tissue
- C) Vascular tissue
- D) Ground tissue