Plant Cells and Tissues - Real World Applications
Q. What is the function of guard cells in plant leaves?
-
A.
Photosynthesis
-
B.
Water storage
-
C.
Regulating gas exchange
-
D.
Nutrient transport
Solution
Guard cells regulate the opening and closing of stomata, controlling gas exchange and water loss.
Correct Answer: C — Regulating gas exchange
Q. What is the function of sclerenchyma cells in plants?
-
A.
Photosynthesis
-
B.
Transport of nutrients
-
C.
Support and protection
-
D.
Storage of water
Solution
Sclerenchyma cells provide support and protection due to their thick, lignified cell walls.
Correct Answer: C — Support and protection
Q. What is the main purpose of meristematic tissue in plants?
-
A.
Storage of food
-
B.
Growth and development
-
C.
Transport of water
-
D.
Photosynthesis
Solution
Meristematic tissue is responsible for the growth and development of new cells in plants.
Correct Answer: B — Growth and development
Q. What is the primary function of stomata in plant leaves?
-
A.
Water storage
-
B.
Gas exchange
-
C.
Nutrient transport
-
D.
Photosynthesis
Solution
Stomata are small openings on the leaf surface that allow for gas exchange, primarily oxygen and carbon dioxide.
Correct Answer: B — Gas exchange
Q. What is the primary function of xylem in plants?
-
A.
Transport of nutrients
-
B.
Transport of water
-
C.
Photosynthesis
-
D.
Storage of carbohydrates
Solution
Xylem is responsible for the transport of water and dissolved minerals from the roots to the rest of the plant.
Correct Answer: B — Transport of water
Q. What is the role of phloem in plants?
-
A.
Transport of water
-
B.
Transport of sugars
-
C.
Support and structure
-
D.
Storage of nutrients
Solution
Phloem is responsible for the transport of sugars and other metabolic products downward from the leaves.
Correct Answer: B — Transport of sugars
Q. What type of plant cell is dead at maturity and provides rigid support?
-
A.
Parenchyma
-
B.
Collenchyma
-
C.
Sclerenchyma
-
D.
Meristematic
Solution
Sclerenchyma cells are dead at maturity and provide structural support due to their thick, lignified walls.
Correct Answer: C — Sclerenchyma
Q. What type of plant tissue is characterized by thickened cell walls and provides rigidity?
-
A.
Parenchyma
-
B.
Collenchyma
-
C.
Sclerenchyma
-
D.
Phloem
Solution
Sclerenchyma cells have thickened, lignified walls that provide structural support and rigidity to mature plants.
Correct Answer: C — Sclerenchyma
Q. Which plant tissue is involved in the transport of hormones and signaling molecules?
-
A.
Xylem
-
B.
Phloem
-
C.
Parenchyma
-
D.
Sclerenchyma
Solution
Phloem not only transports sugars but also plays a role in the transport of hormones and signaling molecules throughout the plant.
Correct Answer: B — Phloem
Q. Which plant tissue is primarily involved in the healing of wounds?
-
A.
Parenchyma
-
B.
Collenchyma
-
C.
Sclerenchyma
-
D.
Meristematic
Solution
Parenchyma tissue can divide and differentiate to help heal wounds in plants.
Correct Answer: A — Parenchyma
Q. Which plant tissue is primarily involved in the storage of starch?
-
A.
Parenchyma
-
B.
Collenchyma
-
C.
Sclerenchyma
-
D.
Xylem
Solution
Parenchyma cells often store starch and other carbohydrates, making them essential for energy storage.
Correct Answer: A — Parenchyma
Q. Which plant tissue is primarily responsible for the transport of organic compounds?
-
A.
Xylem
-
B.
Phloem
-
C.
Parenchyma
-
D.
Sclerenchyma
Solution
Phloem is responsible for the transport of organic compounds, particularly sugars, throughout the plant.
Correct Answer: B — Phloem
Q. Which type of cell is primarily involved in the structural support of young stems?
-
A.
Parenchyma
-
B.
Collenchyma
-
C.
Sclerenchyma
-
D.
Meristematic
Solution
Collenchyma cells provide flexible support to young stems and petioles, allowing for growth and movement.
Correct Answer: B — Collenchyma
Q. Which type of cell provides rigid support and is often dead at maturity?
-
A.
Parenchyma
-
B.
Collenchyma
-
C.
Sclerenchyma
-
D.
Meristematic
Solution
Sclerenchyma cells provide rigid support and are typically dead at maturity, contributing to the structural integrity of the plant.
Correct Answer: C — Sclerenchyma
Q. Which type of plant cell is dead at maturity and provides rigid support?
-
A.
Parenchyma
-
B.
Collenchyma
-
C.
Sclerenchyma
-
D.
Meristematic
Solution
Sclerenchyma cells are dead at maturity and provide structural support due to their thick, lignified walls.
Correct Answer: C — Sclerenchyma
Q. Which type of plant cell is involved in the transport of water and minerals?
-
A.
Phloem
-
B.
Xylem
-
C.
Parenchyma
-
D.
Collenchyma
Solution
Xylem cells are specialized for the transport of water and minerals from the roots to the aerial parts of the plant.
Correct Answer: B — Xylem
Q. Which type of plant cell is specialized for water transport and has a hollow structure?
-
A.
Tracheids
-
B.
Sieve tubes
-
C.
Parenchyma
-
D.
Collenchyma
Solution
Tracheids are specialized cells in the xylem that facilitate the transport of water and minerals.
Correct Answer: A — Tracheids
Q. Which type of plant tissue is primarily involved in the transport of organic compounds?
-
A.
Xylem
-
B.
Phloem
-
C.
Sclerenchyma
-
D.
Collenchyma
Solution
Phloem is responsible for the transport of organic compounds, particularly sugars, throughout the plant.
Correct Answer: B — Phloem
Q. Which type of plant tissue is responsible for photosynthesis?
-
A.
Parenchyma
-
B.
Collenchyma
-
C.
Sclerenchyma
-
D.
Phloem
Solution
Parenchyma cells, particularly those in the leaves, contain chloroplasts and are primarily responsible for photosynthesis.
Correct Answer: A — Parenchyma
Q. Which type of plant tissue is responsible for the transport of hormones?
-
A.
Xylem
-
B.
Phloem
-
C.
Parenchyma
-
D.
Sclerenchyma
Solution
Phloem not only transports sugars but also plays a role in the transport of hormones throughout the plant.
Correct Answer: B — Phloem
Showing 1 to 20 of 20 (1 Pages)