What causes polar movement of auxinfrom shoot tip to base?

Q: What is Pollen-pistil Interaction?

A: Pollens are powdery substances that contain pollen grains. Pollen grains are male gametophytes of…

Q: Does the Initial Uptake of Water by Seeds Depend onTemperature?

A: The transport of water, molecules, and ions in the living system are by the process called…

Q: If you removed a plant’s shoot apicalcmeristem and applied auxin to the cut surface, how would…

A: Auxins are a group of phytohormones that are produced in the tip of stem. It is responsible for…

Q: Is the stem of shameplant underground, sub aerial, or aerial? And what its type?

A: Shame plant/Mimosa pudica It is also referred to as touch me not, live and die, shame plant and…

Q: What is auxin’s role in phototropism?

A: A tropism is defined as a biological phenomenon that will indicate the growth or turning and…

Q: Are roots positively or negatively gravitropic?

A: Roots are positively gravitotropic.

Q: What is the habit of growth of stem of (a.) potato (b.) onion (c.) turnip?

A: A typical plant has the following structures:  Root Stem Flower Branches

Q: What are the pharmaceutical produts of seed plants and their biological activities?

A: The Bioactive Compounds or the phytochemicals in the plant seeds are isolated by using advanced…

Q: What process begins endosperm formation? How is the endospermimportant to plants?

A: The endosperm is the tissue which is produced inside the seeds in most of the flowering plants. It…

Q: How do auxins act helpingthe lateral (secondary)growth of the stem?

A: Secondary growth or lateral growth is the growth that results from cell division in the cambia or…

Q: How is phloem able to transport carbohydrates from the shoot to the roots, as well as from the roots…

A: There are 3 types of tissues present in the plants they are parenchyma, collenchyma and…

Q: The annual rings are absent from the coconuts stem. What is the reason for that?

A: Annual rings is the annual deposition of wood which helps estimate the age of a plant.

Q: How does the absence of a cap at a shoot apex differ from the apical meristem of a root?

A: The root apical meristem is covered as it passes through the soil by the root cap, which is made up…

Q: Draw a well labeled diagram of longitudinal section of pistil showing pollen germination?

A: In a plant flower act as a reproductive part. Carpel is a female reproductive organ of flowering…

Q: Which of the following is considered essential for germination? Select one: a. Abscisin b.…

A: Germination is vital event in plants, in which plantlet are arise from seed on the onset of…

Q: How do statoliths and auxins participate in gravitropism?

A: Gravitropism is a term that define the the part of growth of the plants in some direction to…

Q: How do plants solve theproblem of transportingsubstances throughout theirtissues?

A: Plants require a vehicle framework to convey crude materials for photosynthesis to the leaves and to…

Q: How could auxin carriers be organized to allow auxin to move upward in roots?

A: Auxin is a type of plant growth hormone located in shoot and root tips. The auxin hormone promotes…

Q: Is it true that in the gravitropic response of horizontal roots, high auxin concentration on the…

A: Auxins are responsible for growth of plant by cell division.

Q: What is sexual propagation of plant?

A: The technique of raising the number of plants of a certain species or cultivar is known as plant…

Q: Ginger undergoes three (3) stages of Growth. Name and describe the these stages from Germinating…

A: Introduction:- Ginger is a perennial herb. It is used as a spice in many dishes. In Ginger…

Q: Why a flower is emascuated and auxin is applied to its stigma?

A: A flower is the reproductive part of the plant. It consists of reproductive organs like stamens and…

Q: The apical bud of a plant produces which inhibits lateral bud growth through the process known as…

A: Plant hormones are the molecules produced by the plants which help in the growth and development of…

Q: What is the habit of growth of stem of (a.) carrots (b.) ginger?

A: The parts of plants are classified as root system and shoot system. Stems are a part of the shoot…

Q: t system of a dicot plant, can you clearly see the nodes and internodes?

A: The shoot tips are the tissues that can regenerate the plant in the beginning. Shoot-tip culture…

Q: If a short-day plant has a critical night length of 15 hours, then which of the following will…

A: The short-day plant with a critical night length of 15 hours typically uses a straight 15-hour…

Q: What type of endosperm when the present does apple, orange and mango has?

A: Angiosperms can be defined as the type of vascular plants which produce flowers for reproduction.…

Q: Describe the arrangement of vascular bundles in a cross-section of a Zea mays stem. Are they more…

A: Zea mays, also known as maize, is a species of the grass family Poaceae or true grasses. Zea mays…

Q: In plant physiology, What  is leaf abscission and how is it controlled by the interaction between…

A: Fall leaf abscission is believed to be made by a decrease of chlorophyll due to shortened long…

Q: Explain how auxins, produced in the tips of plant shoots, cause the shoot to bend Furt down the…

A: An auxin, is a plant growth hormone that helps regulate shoot growth. Under normal light conditions…

Q: Auxin, like many substances, can be transported through the phloem; however, there is a second…

A: Plant hormones can be defined as organic compounds produced by plant cells or tissues which are…

Q: What are three functions of the shoot apical meristem?

A: Shoot is the upper surface of the plant that give rise to leaves, flower and stem. It grows opposite…

Q: Is the seedling shown on the right a monocot oreudicot? How can you tell?

A: An embryonic shoot and a root can be found inside a seed. While the cotyledons are linked to the…

Q: Which plant hormone mediates the seasonal abscission of fruits and leaves? gibberellin   ethylene…

A: Anatomy and physiology are the branches of biology, and anatomy deals with the study of the…

Q: Why do some seeds undergo a period of dormancy, and how do they break dormancy?

A: Introduction: Seeds germinate at a favorable time and location to develop and survive as seedlings.…

Q: A plant X is grown under certain conditions and the seeds have been supplied. How would one check…

A: Solution-Totipotent cells should have the ability to differentiate in vitro into cells…

Q: Why are terminal buds considered an active part of the stem?  Of what importance are nodes to the…

A: 1. Terminal buds are the regions of elongation and growth in the stem. The apical cells present here…

Q: Where is hypodermis present, in dicot stem or in monocot stem?

A: The plant comprises three major types of tissues that includes dermal tissue, vascular tissue, and…

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.