Fundamental Plant Processes
1. Which of the following plant growth regulators is NOT produced commercially?
A. Abscisic acid
What light colors, in combination, encourage flowering in plants?
A. Blue and Red
Which of the following is NOT a true statement about flowers and fruit?
A. Both are structures which allow plants to reproduce sexually.
Which plant hormone is used to prolong storage life of flowers?
A. Cytokinins
Which part of the seed contains important genetic information?
A. Embryo
In which phase does the cell spend most of its time and carry out most of its functions?
A. Interphase
Which root part is known as the quiescent center?
A. Meristematic zone
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.
3. What is the first stage of mitosis?
A. Prophase
4. What process occurs when a cell releases energy by breaking down glucose and other food molecules in the presence of oxygen?
A. Respiration
Which of the following plant parts supports the stem?
A. Roots
Which of the following does NOT describe roots?
A. Roots produce food and energy for plants.
7. What must occur in order for plants to grow?
A. The rate of photosynthesis must be greater than the rate of respiration.
5. Which of the following is a true statement about aquatic plants?
B. Aquatic plants have air sacs and flat leaves which allow them to float more easily.
How can light quantity for plants be increased?
B. By placing white or reflective material or supplemental lights around plants
Which plant growth regulator is applied to fields of fruit allowing them to ripen at the same time for harvest?
B. Ethylene
What are potted plants treated with to keep them short?
B. Growth inhibitors
Which of the following is NOT a phase of mitosis?
B. Interphase
1. Which plant structure is most involved in photosynthesis?
B. Leaves
6. What factor of light has proven to be the most critical to floral development?
B. Length of uninterrupted dark periods
The dark reaction is also known as which of the following?
B. Light independent reaction
What conditions can slow or stop the germination process?
B. Soil which is too wet or dry
Which of the following is known as the vascular system of the plant?
B. Stem
Which of the following is NOT a main growth stage in plants?
B. flower development
Which of the following is NOT mentioned as a major plant process?
C. Evaporation
Which plant hormone is applied to grapes in the U.S. in order to increase berry size and produce looser clusters?
C. Gibberelins
2. What two main phases comprise the cell cycle in plants?
C. Interphase and mitosis
Which structure is the major site of food production in plants?
C. Leaves
Which of the following phases is NOT part of interphase?
C. M phase
4. In which phase does the cell replicate its DNA?
C. Synthesis phase
What can happen to a plant if temperatures or day lengths do not correspond with a plant's desired growing weather?
C. The plant may not flower or can exhibit stunted growth and poor quality.
In which phase does a plant begin the maturation process?
C. flowering phase
Which plant hormone is known as the stress hormone?
D. Abscisic acid
Which plant hormone is responsible for phototropism?
D. Auxins
Which of the following is a true statement about photosynthesis?
D. In photosynthesis, carbon dioxide and water react with light energy to form photosynthates and release oxygen as a byproduct.
Which phase includes the chromosomes aligning along the equator of the cell?
D. Metaphase
Which of the following is NOT a condition which triggers germination?
D. Nitrogen levels
5. What emerges from the seed and pushes into the soil?
D. Radicle
What is photosynthesis?
D. The process of converting light energy to chemical energy
Which of the following is NOT one of the major environmental aspects which affects plant processes?
D. Wind
