Plants Flashcards
What is the primary purpose of photosynthesis?
A. To produce oxygen
B. To produce glucose
C. To use up carbon dioxide
D. To provide energy for the plant
Correct Answer: B. To produce glucose
Explanation: The primary purpose of photosynthesis is to convert light energy into chemical energy stored in glucose. While oxygen is a byproduct, it is not the primary purpose.
Which plant tissue is responsible for transporting water and dissolved minerals from the roots to other parts of the plant?
A. Phloem
B. Cambium
C. Xylem
D. Epidermis
Correct Answer: C. Xylem
Explanation: Xylem is a type of vascular tissue in plants that transports water and dissolved minerals from the roots to the rest of the plant.
Which of the following is the primary function of chlorophyll in plants?
A. Absorbing water
B. Reproduction
C. Capturing light energy
D. Providing structural support
Correct Answer: C. Capturing light energy
Explanation: Chlorophyll is a green pigment found in chloroplasts of plants. Its primary function is to capture light energy for photosynthesis.
In which part of the plant does photosynthesis primarily occur?
A. Roots
B. Stems
C. Flowers
D. Leaves
Correct Answer: D. Leaves
Explanation: Photosynthesis primarily occurs in the leaves where chloroplasts are abundant.
Which part of the plant is primarily responsible for anchoring the plant and absorbing water and nutrients from the soil?
A. Leaf
B. Flower
C. Stem
D. Root
Correct Answer: D. Root
Explanation: Roots anchor plants to the ground and absorb water and nutrients from the soil.
Which of the following statements about vascular plants is NOT true?
A. Vascular plants possess a complex tissue system for transporting nutrients.
B. The main function of roots in vascular plants is to perform photosynthesis.
C. The stem is where the leaves of vascular plants attach.
D. Vascular plants use their roots to anchor themselves and absorb water.
Correct Answer: B. The main function of roots in vascular plants is to perform photosynthesis.
Explanation: The primary function of roots in vascular plants is to anchor the plant, absorb minerals and water, and store organic nutrients. Photosynthesis primarily takes place in the leaves of vascular plants, not the roots.
In vascular plants, where does photosynthesis primarily occur?
A. Roots
B. Stem
C. Leaves
D. Flowers
Correct Answer: C. Leaves
Explanation: The leaves are the primary site for photosynthesis in vascular plants. They contain chloroplasts with chlorophyll that captures light energy and carries out the process of photosynthesis to produce sugars.
Which statement is true regarding nonvascular plants?
A. They possess a complex vascular tissue system.
B. They are more evolutionarily advanced than vascular plants.
C. Mosses and liverworts are examples of nonvascular plants.
D. Their primary site of photosynthesis is the stem.
Correct Answer: C. Mosses and liverworts are examples of nonvascular plants.
Explanation: Nonvascular plants, such as mosses and liverworts, lack the specialized vascular tissue system found in vascular plants. These plants are considered more primitive in their evolutionary origins and do not have the complex vascular tissues for transporting water and nutrients.
Which vascular tissue is responsible for transporting sugars made during photosynthesis to the roots and sites of growth?
A. Epidermis
B. Cambium
C. Xylem
D. Phloem
Correct Answer: D. Phloem
Explanation: The phloem is the vascular tissue responsible for the transportation of sugars and nutrients produced during photosynthesis to various parts of the plant, including the roots and sites of growth. Xylem, on the other hand, transports water and dissolved minerals.
What is the primary function of xylem in vascular plants?
A. Transporting sugars made during photosynthesis.
B. Facilitating the process of photosynthesis.
C. Taking water and dissolved minerals from the roots to the stem.
D. Releasing oxygen during respiration.
Correct Answer: C. Taking water and dissolved minerals from the roots to the stem.
Explanation: The xylem is responsible for the upward transportation of water and dissolved minerals from the roots to the rest of the plant. It does not transport sugars or facilitate photosynthesis, nor does it release oxygen.
