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Plant Science #5
| Question | Answer |
|---|---|
| The most important result of respiration is producing ______, which is the form of energy needed for many plant growth reactions. A: FADH B: NADPH C:ATP D: CO2 E: None of the Above | C: ATP |
| What organelle inside cells is the primary location of respiration reactions? A: Nucleus B: Mitochondria C: Chloroplast D: Gogi Apparatus E: Vacuole | B: Mitochondria |
| The type of respiration that is needed to keep mature plant cells alive. A: Anaerobic Respiration B: Maintenance Respiration C:Growth Respiration D: Differential Respiration E: None are Correct | B: Maintenance Respiration |
| Which plant tissue is the major source of food energy during normal vegetative crop growth? A: Leaf B: Stems C: Stems D: Seeds E: Meristems | A: Leaf |
| What is the major type of carbohydrate that is stored energy in plants? A: Protein B: Sucrose C: Pyruvate D: Starch E: Ethanol | D: Starch |
| Living plant tissues are respiring _______. A: Only in the day B: 24 hours a day C: Only at night D: Only at high temperatures E: None of the Above | B: 24 hours a day |
| Respiration results in decreased quality of stored fruits and vegetables by breaking down sugars. Which conditions reduces respiration losses during storage? A: Increasing N2 gas B: Reducing CO2 C: Increasing O2 D: Cool Temperatures | D: Cool Temperatures |
| Some plant diseases such as witch's broom releases the hormone _____ into the plant, which causes the syptom of abnormal/uncontrolled growth due to unnecessary cell division. A: Ethylene B: Gibberellin C: Cytokinin D: Auxin E: Abscisic acid (ABA) | C: Cytokinin |
| The role of this plant hormone is inhibiting various growth or developmental process. It has an important role in cuasing dormancy of seeds and plants during winter. A: Ethylene B:Gibberellin C: Cytokinin D: Auxin E: Abscisic acid (ABA) | E: Abscisic Acid (ABA) |
| The plant hormone that can induce bolting (stem elongation) in rosette plants and also stimulates seed germination. A: Ethylene B:Gibberellin C: Cytokinin D: Auxin E: Abscisic acid (ABA) | B: Gibberellin |
| This plant hormone is responsible for cuasing fruit ripening and leaf senescence (drop). A: Ethylene B:Gibberellin C: Cytokinin D: Auxin E: Abscisic acid (ABA) | A: Ethylene |
| The primary pnat hormone that is responsible for directional growth resposes (tropisms) in plants. A: Ethylene B:Gibberellin C: Cytokinin D: Auxin E: Abscisic acid (ABA) | D: Auxin |
| Anaerobic respiation is a type of respiration that occurs in plant roots in saturated soil conditions results in the production of 2 damaging compounds. A: Ethanol and Lacate B: Sucrose and Starch C: Fructan and Butyric acid D: Pyruvate and ATP | A: Ethanol and Lactate |
| Winter wheat must ver bernalized in order to complete its life cycle. Which statment best describes the process? | B: When plants must experience a period of cold temperatures in order to flower. |
| Calculate the growing degree days that occures during each of the days below. GDD=Max temp + Min temp/2 +50 Day1: Max Temp: 84 min temp: 60 Day 2: Max Temp: 79 min temp: 51 Day 3: Max temp: 82 min temp: 58 | Day 1: 22 Day 2: 15 Day 3: 20 |
| Describe the concept of apical dominance. | The apical bud on a plant is still active and the auxillary buds are not branching. |
| What is the major plant hormone that regulates apical dominance in plants? | Auxin |
| Describe 2 different situation or periods during plant growth that a plant utilizes stored energy reserves. | Emergence, Producing seed, Regrowth , Dormancy |
| How do aquatic plants like cattail and rice provide oxygen to roots for normal respiration? | Tunnels through leaves and stems |
| Why would it be logical to conclude that applying a commercial hormone blend such as Ascend (gibberellin, cytokinin, and auxin ingredients) would not likely cause any crop yield increases? | Because the hormones need to be used in a precise location and at a precise time. |
| Maintaining energy reserves in hay crops like alfalfa and meadow grasses is essential. Describe 2 hay management strategies that helps maintain stored energy reserves in forages. | Cut before it starts producing seeds and do not cut too short |
| In the plant world, a juvenile plant is one that cannot progresst o reproductive progress to reproductive growth. IS this because the plant is too small or is because the plant is too young? | Too Small |
Created by:
Slkingsbury