Q: Describe two roles where ABA shows to be rather ecological and physiological significance to the…
A: Abscisic acid (ABA) is a crucial hormone that plays a significant role in regulating responses to…
Q: Explain the importance of plant hormones.
A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…
Q: To determine: Many plants have no flowers at all comparing to stinking corpse lily and its…
A: Plants are generally defined that they are been multicellular creatures that are mostly…
Q: To explain: The evolutionary changes in the plant reproduction that are adapted by plants to…
A: Plants that grow on land are known as terrestrial plants. some of the adaptations of land plants are…
Q: Compare and contrast the plant alternation-of-generations life cyclewith the human life cycle.
A: Reproduction is the phenomenon of producing offspring from the parent. It is of two types asexual…
Q: On the basis of which grows faster between epicotyl and hypocotyl, compare epigeal and hypogeal…
A: The process of sprouting seed after a period of dormancy is called germination. Scientifically it is…
Q: Mention two strategies evolved to prevent self-pollination in flowers.
A: Self-pollination is the process in which the pollen from the anther of a flower is transferred to…
Q: Discuss the factors responsible for ascent of xylem sap in plants.
A: The ascent of water in the xylem is caused by the transpirational pull of the atmosphere. It is…
Q: what are evidences that indivate plants are measuring the length of the night?
A: Introduction The physiological response of organisms to the length of night or a dark period is…
Q: What is pollination and how is it important to the environment? Please explain the scientific…
A: Definition Pollination : It is a process in which pollen grains (the male gametophytes) from anther…
Q: Root cells exhibit positive gravitropism with the help ofa. auxin in the root cells.b. amyloplasts…
A: When the effect of gravity influences the direction of growth of a plant, it is called gravitropism.…
Q: How plants response to external stimuli? (Explain at least 3-5 sentence)
A: Plants, unlike animals cannot exhibit as quick responses as the animals in order to exhibit movement…
Q: In plants, why is it important to be familiar with the symptoms and signs of a particular disease?
A: Experience with the way plant illnesses are outwardly recognized can assist you with diagnosing…
Q: Identify the potential role of phytochrome in plant flowering.
A: Phytochrome is a special type of photoreceptor found in plants, fungi as well as certain bacteria.
Q: Name three major types of angiosperm secondary metabolites,and explain how these affect animals.
A: The angiosperms are the upper plants that are evolved and modernized from the traditional species.…
Q: Select the correct adaptation:advantage match. seeds : dormancy pollen : sporophyte disperal fruit :…
A: Seeds: dormancy Seed dormancy is an evolutionary adaptation that prevents seeds from germinating…
Q: Submerged plants receive lesser illumination as compared to exposed floating plants in a lake. Give…
A: The plants that are dipped in water and receive the nutrients through their leaves, not from roots…
Q: Match the response with its main trigger. ___ phototropism a. contact with an object…
A: phototropism - blue light gravitropism - gravity thigmotropism - contact with an object
Q: List several ways that each of these hormones affects plant growth and development: auxins,…
A: ABSCISSION- in the presence of normal level of auxin plant organs such as fruit leaves cannot…
Q: What factor has the most impact on germination of seeds
A: Germination: The process of an organism growing from a seed or spore is known as germination. The…
Q: Match the effect/process with the hormone responsible or effected…
A: The word hormone has its origin in the Greek word that means "set in motion". Plant hormones or…
Q: Describe the makahiya plant and its reaction to a stimuli. Give two scientific questions you can…
A: Makahiya (Gymnema sylvestre) is a small, woody plant that belongs to the family Asclepiadaceae. It…
Q: If a long-day plant has a critical night length of 9 hours, which 24-hour cycle would prevent…
A: The plants' response towards light and dark periods of a day is called photoperiodism. The variation…
Q: Dormant seeds are stimulated to sprout by the effect of
A: Seed dormancy is an trait that do not allow the germination of an viable seed under favorable…
Q: Explain TWO factors that will influence the germination of seed.
A: Germination is considered a process that marks the growth of a plant from the seed. It is commonly…
Q: Flowers are adaptations for _______
A: Introduction: The way a living thing is shaped, behaves, or develops is an adaptation. A living…
Q: Explain why some seeds undergo dormancy, and give someexamples of triggers for germination.
A: The embryonic stage of a plant's life is represented by the seed. The embryo (immature seed),…
Q: _____are organelles involved in gravitropism.
A: Gravitropism refers to the way in which plants grow or orient themselves in response to gravity.…
Q: Give the effects of the hormones Auxins, Cytokinins and ethylene.
A: Biology is defined as the study of life. It is divided into two main branches called botany and…
Q: Please clearly type the answer the all of the parts to this question please (a) Explain what…
A: The reproductive development of plants is influenced by temperature, sunlight and weather. The…
Q: Describe the role of ethylene in fruit ripening
A: Botanically a fruit may be defined as the seed-bearing structure which is found in the flowering…
Q: explain how plant hormones are used in plant propagation.
A: Plant hormones are the chemicals that are secreted by plant cells and required in low…
Q: Give an example of a circadian rhythm in plants.
A: Introduction :- Circadian rhythms are 24-hour cycles of physical, mental, and behavioural changes.…
Q: Please clearly type the answer the all of the parts to this question please (b) Explain how the…
A: Several putative floral signals such as florigens,sucrose,cytokines,gibberellins and reduced N…
Q: discuss the differences between sexual and asexual reproduction in plants.
A: Plant reproduction is the production of new offspring from their parents which can be accomplished…
Q: Please answer the following parts: (a) Explain what Florigen is. (b) Explain how the floral…
A: In plants, all aspects of plant growth and development are controlled by the signal molecules. The…
Q: To determine: Some adaptations that help protect seeds from destruction by animal consumption.
A: The generation of seeds and pollen distinguishes seed plants from seedless vascular plants and…
Q: Explain what occurs when a plant exhibits heliotropism
A: Heliotropism is the motion of plant parts in response to the sun.
Q: Explain why plants wilt.
A: Plants need nutrients, minerals, water, sunlight, and air to grow healthy. Deficiency in any of…
Q: Explain why tropical plants are often not sensitive to photoperiodic flowering cues.
A: Flowers include a plant's reproductive components. Pollen is produced by the male portions of the…
Q: Herbaceous plants growing in well watered soils are found to wilt on hot day. Give reason why.
A: Herbaceous plants are the ones that have perennial, biennial, or annual life cycle. These are the…
Q: Both a short day plant and a long day plant can produce can flowersimultaneously in a given place’.…
A: Photoperiodism refers to the physiological reaction of different organisms towards the length of…
Q: Describe Some of the effects that plants have on other organisms, including humans.
A: Plants are sessile organisms, unable to change their environment through moving around.
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- In an area that is not equipped with irrigation facilities and prone to drought during dry months, give and explain TWO (2) characteristics of plants that could thrive under such conditions.Explain what occurs when a plant exhibits heliotropismPlant tissue culture takes advantage ofa. phototropism.b. gravitropism.c. asexual reproduction from tubers.d. totipotency.
- Define photoperiodism and in a few sentences describe its significance to plants. Then, state briefly at least one way in which humans have manipulated or impacted this physiological phenomenon.If a long-day plant has a critical night length of 9 hours, which 24-hour cycle would prevent flowering? (A) 16 hours light/8 hours dark (B) 14 hours light/10 hours dark (C) 4 hours light/8 hours dark/4 hours light/8 hours dark (D) 8 hours light/8 hours dark/light flash/8 hours darkA decrease in the level of which hormone releases seeds from dormancy? a. abscisic acid b. cytokinin c. ethylene d. gibberellic acid