Describe phototropism. What plant hormone is responsible for phototropism? Where would this hormone accumulate to initiate the respnse?

Q: What are the precursor molecules for plant hormones?

A: Plant hormones are chemical messengers that are present in plants, these chemical molecules are…

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: How does the vascular cambium give rise to xylem?

A: Between primary xylem and primary phloem is a layer of meristematic tissue known as the vascular…

Q: Difference between positive phototropism and negative prototropism?

A: Tropisms are either  positively or negatively  movements of the  organisms,parts of plants or organs…

Q: Which parts of the plant would you find the phytochromes highly concentrated? Why? *

A: Phytochromes  It is a photoreceptor, a pigment that plants and some algae and fungi use to detect…

Q: Describe and explain in detail about "Plant regeneration is the response to the plant growth…

A: Plant regeneration refers to the physiological renewal, repair, or replacement of tissue in plants.

Q: What is phototropism?

A: Introduction  In this question we have to explain phtototropism.

Q: Shoot apical meristems make small groups of cells that protrude upward and develop into leaves. What…

A: BASIC INFORMATION  MERISTEM  These are the group of immature cells. They divide continuously. They…

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: Describe phototropism, gravitropism, and thigmotropism.

A: tropism is a movement of plant towards a stimulus.

Q: Explain the conversion cycle of phytochrome.

A: Photopigment(commonly called chlorophyll) is a light absorbing molecule present in membrane bound…

Q: How is phototropism beneficial to a plant? * it helps the plant to get the most amount of light…

A: Photosynthesis is the process in which chlorophyll containing phototrophic organisms convert solar…

Q: Name the growth movements made by plants in response to contact (touch) with a solid object.

A: Growth movement is an important mechanism performed by the plant for their survival as the second…

Q: What is senescence? Describe some changes that accompany leaf senescence in the fall. Which hormone…

A: Plants have two types of tissues:  Permanent tissues: Tissues that do not have ability to divide,…

Q: What are the main natural plant hormones and what are their respective effects?

A: Introduction In this question we have to write the main natural plant hormones

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: Explain how phytochrome is afected by red wavelengths of light.

A: Plants are the primary producer of nature. They absorb the environmental light conditions by the…

Q: Define the process of Acquiring phloem sap ?

A: Plants require water and nutrients for their physiological growth and development. The…

Q: Explain about Plant Hormones ? WHat is the importance of Plant Hormones ?

A: Hormones are non-nutrient chemical substances synthesized in both animals and plants. In animals, it…

Q: Some plant hormones oppose the effect of each other. Auxins and cytokinins for example. Whereas…

A: When two hormones have opposite effects from each other, it is called antagonistic effects. There…

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: Name a plant hormone which breaks the dormancy of buds and seeds.

A: Dormancy refers to one of the development practices of living organisms and is characterized by the…

Q: How is the plant able to detect which way is up and which way is down?

A: A taxis is a type of movement in which the organism moves towards the stimulus or source of the…

Q: What environmental stimuli trigger the various plant responses?

A: A stimulus is a detectable change in organism’s internal or external environment; this leads to…

Q: List some examples of plant hormones.

A: Plant Hormones: They are small quantities of growth regulators .They are the most important…

Q: How is the statement that water is transported through the xylem withoutrequiring any input in…

A: Xylem is a form of vascular tissue found in plants that transport water and nutrients from the roots…

Q: Describe the role of phytochrome in flowering, including a brief discussion of phytochrome signal…

A: Phytochromes belong to photoreceptors, which function to detect light in fungi, plants, and…

Q: Explain about phototropism ?

A: Ans: Phototropism: The orientation of organisms and plants towards or away from light is referred to…

Q: Which option is TRUE regarding endosperm in monocots? Endosperm consists mainly of glucose and…

A: Monocotyledons, normally alluded to as monocots, are grass and grass-like blooming plants, the seeds…

Q: Abscisic acid (ABA) is produced at both terminal bud and root. Explain how ABA produced in root…

A: Plants growth hormones also called as phytohormones are the chemical messengers that help in the…

Q: How would global warming affect a plant that responds to its environment through photoperiodism?

A: Photoperiodism is the regulation of physiology or development in response to day length.…

Q: Describe how bulk flow occurs in the xylem and phloem offlowering plants.

A: Bulk flow in plant biology generally refers to the movement of water from the soil up through the…

Q: What is the adaptive significance of phototropism?

A: Phototropism refers to the phenomenon of movement (bending) of light towards or away from light. If…

Plant sensory system

The plant sensory system is a sophisticated system that responds to environmental stimuli such as light,temperature, gravity, and touch. Research predicts that plant hormones and signaling mechanisms areresponsible for this regulation system in plants.