What information is used by plants to determine if they are growing in the shade or the open canopy? How does a“sun plant” respond once it detects that it is growing in the shade? How Is this different from the response you would expect from a“shade plant”?

Q: A long-day plant will flower if Select one: O the duration of continuous light is less than a…

A: As recently discovered the amount of light which falls on plants also controls the flowering in…

Q: Which of the following statements are true regarding tracheids and vessel elements? Select all that…

A: Tracheids are the elongated cells in the xylem of vascular tissue that serve in the transport of…

Q: If green plants require light in order to produce food needed for growth, why are seedlings that are…

A: Plant hormones involve auxin, abscisic acid, ethylene, gibberellins, cytokinins, salicylic acid,…

Q: What is pollinator ? Define the process of pllination ?

A: Pollinators:                  An animal that causes plants to make fruits or seeds is recognized as…

Q: Describe how phytochrome allows a lowering plant to detect the photoperiod.

A: Phytochromes are defined as a class or group of photoreceptors present in plants, bacteria, and…

Q: What are some adptations of plants that are growing in hot regions,? Explain their mechanisms…

A: Adaptation is the quality of an organism of having certain specialised features that enhances its…

Q: Explain giving reasons the bending of the shoot tip of a plant towards light source coming from one…

A: Plants require sunlight, water, oxygen, and minerals to grow and develop. These are external…

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: How does blue light trigger stomatal opening?

A: Plants are non-motile living beings that are capable of producing their own food by utilizing the…

Q: State the location and function of different types of meristem.

A: Meristems are plant growth regions that are highly specialised. In the meristems, active cell…

Q: In the greenhouse, tomato seedlings are often brushed by hand to simulate wind.  This stimulation…

A: Option 1 collenchyma is the correct answer.

Q: How do seeds detect the presence of plants growing overhead?

A: The seed has two parts:- 1) Cotyledons that store food. 2) Embryo that forms radicle (future root)…

Q: When the roots of a corn (Zea mays) seedling grow downward, is this a negative response to light or…

A: Gravitropism is defined as the growth of plants in response to gravity.  The response is also seen…

Q: What is pollination? What are the main forms of pollination?

A: * pollination Pollination means  transferring of pollen grains from the male anther of a flower to…

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: Correctly identify which set of conditions will keep your plants from wilting the longest: O cool,…

A: Transpiration is a process through which the loss of water takes place from the exposed parts of the…

Q: Which phytochrome is sensing the shading and what are the TWO (2 rapid shade avoiding responses?*

A: Phytochromes are a class of the photoreceptor in plants, bacteria and fungi that are used to detect…

Q: With the help of a diagram, explain the role of potassium in the opening and closing of stomata

A: A stoma is a pore found in the epidermis of leaves, stems, and other organs. It controls the rate of…

Q: What is the advantage of closed stomata when water is in short supply?

A: Stomata are the minuscule openings present on the epidermis of leaves. We can see stomata under the…

Q: Grass plants elevate their leaves to compete for light without exposing their shoot apical meristems…

A: 1. growing their leaves from persistent Meristematic zones at the leaf base.

Q: What would happen if you gave these plants a brief exposure to darkness in the middle of the…

A: Phytochrome is a receptor in a plant that accepts the red and far-red light coming from the sun. It…

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: A plant is displaying symptoms with purplish veins in older leaves. What can you conclude based on…

A:

Q: Discuss the transport of water from roots to leaves and a particular tropism/nastic movement in Rosa…

A: Introduction  Water, nutrients, and minerals are transported by tissues in plants. Water and mineral…

Q: l the opening and closing of stomata.

A: Stomata can be defined as tiny openings that are present on the epidermis of leaves. There are…

Q: You prune 10 cm from a branch on the sunny side of a plant AND from one on the shady side. How will…

A: Pruning is a selective practice to remove the branch from a tree. The goal is to remove unwanted…

Q: why do stomata open due to high humidity?

A: Stomata are the tiny pores present on the surface of leaves that allow plants to exchange gases with…

Q: inside a closed kitchen cabinet without any light available. Based on what you know about this…

A: Photosynthesis is a mechanism by which plants and other organisms transform light energy into…

Q: How do plants control the opening and the closing of stomata?

A: Introduction: Stomata is present on the leaves of plants. They are tiny pores that help the plant to…

Q: About STOMATA What is the benefit of keeping them open?  What it the benefit to keeping them…

A: Answer : stomata are present on the leaves of the plants and are responsible for the exchange of…

Q: How are plant responses to extreme drought conditions considered to be a type of feedback mechanism?

A: During drought spells plant frameworks effectively keep up physiological water adjust by (i)…

Q: What are apical meristems?Which type of plant growthdoes this meristem promote?

A: Meristems are specialized type of tissues found in plants. They contain undifferentiated cells that…

Q: What are the stimuli that control the opening and closingof stomata?

A: Stomata are small openings found in the upper layer of stems, leaves, and other organs that…

Q: Identify five stimuli that control the opening and closing of stomata.

A: Stomata are the tiny structures present in the epidermis of the plant leaves and in the stem of…

Q: signal transduction pathway for auxin

A: This pathway refers to a series of molecular events which transmit a signal from the extracellular…

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.