Plant Parts and Functions
Which of the following does NOT describe roots?
A. Roots produce food and energy for plants.
B. Roots absorb water and nutrients for plants.
C. Roots anchor plants in the soil.
D. Roots serve as the food storage organs for plants.
A. Roots produce food and energy for plants.
Which phase includes the chromosomes aligning along the equator of the cell?
A. Interphase B. Prophase C. Anaphase D. Metaphase
D. Metaphase
What conditions can slow or stop the germination process?
A. Seeds which are too young
B. Soil which is too wet or too dry
C. Seeds planted too shallow
D. Seed coats which allow water to penetrate easily
B. Soil which is too wet or too dry
What can happen to a plant if temperatures or day lengths do not correspond with a plant’s desired growing weather?
A. The plant adapts to the changes and grows as normal.
B. The plant wilts and dies.
C. The plant may not flower or can exhibit stunted growth and poor quality.
D. The plant grows faster than normal and gets too large.
C. The plant may not flower or can exhibit stunted growth and poor quality.
Which plant hormone is used to prolong storage life of flowers?
A. Cytokinins B. Auxins C. Gibberelins D. Abscisic acid
A. Cytokinins
Which of the following is known as the vascular system of the plant?
A. Roots B. Stem C. Leaves D. Flowers
Stem
Which of the following is NOT a phase of mitosis?
A. Prophase B. Interphase C. Anaphase D. Telophase
B. Interphase
Which of the following is NOT a condition which triggers germination?
A. Oxygen levels
B. Moisture
C. Temperature
D. Nitrogen levels
D. Nitrogen levels
What light colors, in combination, encourage flowering in plants?
A. Blue and red
B. Green and red
C. Blue and green
D. Green, blue and red
A. Blue and red
Which plant hormone is applied to grapes in the U.S. in order to increase berry size and produce looser clusters?
A. Auxins B. Ethylene C. Gibberelins D. Cytokinins
C. Gibberelins
Which of the following plant parts supports the stem?
A. Roots B. Stem C. Leaves D. Flowers
Roots
Which of the following phases is NOT part of interphase?
A. S phase B. G1 phase C. M phase D.G2 phase
C. M phase
Which of the following is NOT a main growth stage in plants?
A. Reproductive development
B. Flower development
C. Germination
D. Vegetative development
B. Flower development
Which of the following is NOT one of the major environmental aspects which affects plant processes?
A. Water B. Light C. Temperature D. Wind
D. Wind
Which of the following plant growth regulators is NOT produced commercially?
A. Abscisic acid B. Ethylene C. Auxins D. Cytokinins
A. Abscisic acid
Which of the following is NOT a true statement about flowers and fruit?
A. Both are structures which allow plants to reproduce sexually.
B. Seeds from fruit are moved by animals, wind and water.
C. The fragrance and color of flowers attracts pollinators which carry pollen to other flowers to continue the species.
D. Flowers are fertilized or mature ovules.
D. Flowers are fertilized or mature ovules.
Which of the following is NOT a characteristic of mitosis?
A. Mitosis is the phase in which the cell spends the majority of its time.
B. Mitosis is the process by which new cells are created.
C. Mitosis is important for cell growth, cell replacement, regeneration of plant parts and vegetative reproduction.
D. Mitosis is also known as the M phase.
A. Mitosis is the phase in which the cell spends the majority of its time.
In which phase does a plant begin the maturation process?
A. Germination
B. Fruiting phase
C. Flowering phase
D. Vegetative growth phase
C. Flowering phase
Which root part is known as the quiescent center?
A. Meristematic zone
B. Root cap
C. Zone of differentiation
D. Zone of elongation
A. Meristematic zone
What are potted plants treated with to keep them short?
A. Auxins
B. Growth inhibitors
C. Growth retardants
D. Ethylene
B. Growth inhibitors
Which structure is the major site of food production in plants?
A. Roots B. Stem C. Leaves D. Flowers
Leaves
In which phase does the cell spend most of its time and carry out most of its functions?
A. Interphase B. G1 phase C. Mitosis D. Prophase
A. Interphase
Which part of the seed contains important genetic information?
A. Embryo B. Endosperm C. Seed coat D. Cotyledons
A. Embryo
How can light quantity for plants be increased?
A. By exposing the plant to certain colors of light
B. By placing white or reflective material or supplemental lights around plants
C. By placing a shade cloth or shading paint above plants
D. By placing the plant away from all other plants
B. By placing white or reflective material or supplemental lights around plants
Which plant hormone is responsible for phototropism?
A. Ethlyene B. Gibberelins C. Cytokinins D. Auxins
D. Auxins