Plant bends towards the source of light on account of the movement of curvature known as: A. geotropism B. thigmotropism C. chemotropism D. phototropism

Q: The orientation of plant growth in the direction of light is called: a. Thigmotropism b.…

A: Plants are multicellular living entities that can be found practically anywhere on the planet. They…

Q: Which of the following is an example of secondary growth? a. increase in length b. increase in…

A: Secondary growth is the growth of the plants mainly caused due to rapid cell division in the cambia…

Q: Newly-formed root cells begin to form different cell types in the ________. a. zone of elongation b.…

A: Cell, the fundamental and functional unit of life, is covered by a membrane called plasma membrane…

Q: Guard cellsa. are found primarily on the upper surface of leaves.b. open their stomata by…

A: A specialized pair of plant cells that are responsible for the control of gaseous exchange in the…

Q: The pressure-flow model of phloem transport states thata. phloem content always flows from the…

A: Pressure flow theory explains the movement of fluid or organic matter in the phloem. This theory is…

Q: In vascular plants, one difference between root and shoot systems is that a. root systems cannot…

A: Answer C-Root system contain pronounced zone of elongtaion where as shoot system do not.

Q: Choose the incorrect statement: a. Fusiform and ray initials are formed by the vascular cambium.…

A: A plant has vascular tissue for spreading of food and water throughout the body .They make food via…

Q: You were comparing two plants Aand B: plant A has hyphal association in its roots and plant B lacks…

A: Need to find the best option among the following options. Plant A has hyphal association with it's…

Q: Kindly provide 2 examples plants having "adaptations for climbing" including  (i) mechanical…

A: Different adaptations help the plants in growth and survival. There are several climbing adaptations…

Q: Guttation in plants is due to condensation of water vapor and occurs through the hydathodes. D.…

A: Guttation is a process by which plants release excess water through their leaf pores (called…

Q: Radical vascular bundles are those in which: A. xylem is surrounded by phloem B. phloem is…

A: Vascular bundles are responsible for the transport of water and photosynthates in the vascular…

Q: If all of the stomata in a plant were to close, what would happen to transpiration. O Transpiration…

A: Transpiration is a process of of loss of water in the form of vapour, from the aerial portions of…

Q: Which of the following is a mechanism of phloem transport in which dissolved sugar is moved by means…

A: (e) Guttation describes the loss of liquid water through the leaves due to a buildup of (c) root…

Q: Roots and shoots lengthen through activity at______ . a. apical meristems c. vascular cambium b.…

A: Step 1 Meristem tissue is a simple plant tissue of thin-walled embryonic cells which undergo mitosis…

Q: In roots, growth of lateral branches beginsa. on the root epidermis.b. on the root hairs.c. at the…

A: Root epidermis: provides protection and helps in absorption. Root hairs are extension of root…

Q: What role do cohesion and adhesion play in xylem transport?a. Like transpiration, they create a…

A: Plants have specialized tissue for the conduction of water, minerals, and food. The tissues involved…

Q: Stomata are usually opena. at night, when the plant requires a supply of oxygen.b. during the day,…

A: Option(a) is incorrect because plants depend on the availability of carbon dioxide and not oxygen.

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: Which of the following would not be seen in a cross section through the woody part of a root? (A)…

A: Introduction:Angiosperms have fully developed plant structures with stems, roots, and leaves. They…

Q: During the seismonastic movement in Mimosa pudica turgor changes occur in- (A) Leaflets (B) Stipules…

A: Introduction - The types of movements and responses that plants display when they are stimulated are…

Q: A.Stomata B. Stomatal apparatus C.Guard cell D.Epidermal cell

A: INTRODUCTION The plant leaf consists of various structures which are responsible for the processing…

Q: Sugar transport from leaves to roots occurs by_______ . a. a pressure gradient inside sieve tubes b.…

A: The vascular system in a plant is made up of conducting tubes like xylem and phloem. The prepared…

Q: Which of the following statements about gravity perception is FALSE? A. Statoliths are specialized…

A: Gravity perception is an important activity in plants as they need to send their roots downwards…

Q: Match the plant parts with the best description. ___ vascular cambium         a. ground tissue in…

A: There are different parts of plants that have distinct functions. These parts include seeds, leaves,…

Q: The structure of the C4 leaf shows how mesophyll cells hug the epidermis of the leaf. hug the bundle…

A: Photorespiration is a wasteful pathway that occurs when the Calvin cycle enzyme rubisco acts on…

Q: Stomata are made of specialized cells called _____ which surrounds a tiny pore/opening. A. Stoma B.…

A: Introduction In a vascular plant, a vascular bundle is a strand of conductive tissue that transfers…

Q: Choose correct option and explain.    A plant wilts when-   a) sunlight is not available and the…

A: Based on the anatomy and biological design of the plants, they will survive in the environment that…

Q: . Which of the following arise(s), directly or indirectly, frommeristematic activity?(A) secondary…

A: The full plant regeneration from any plant part by growing it in the aseptic condition is called…

Q: When absorption of water by the roots fails to keep up with the rate of transpiration, gain in…

A: Transpiration and photosynthesis generally happen in day time. Water cycle and food cycle continue…

Q: Which of the following is not an adaptation of pine needles to conserve water? (a) less surface area…

A: Pine trees belong to the family of gymnosperms. This phylum in the Plant Kingdom is characterized by…

Q: Root hairs____ . a. conduct water from cortex to aboveground shoots b. increase the root’s surface…

A: Roots are the underground structures of plants.

Q: If the tension in the xylem vessel becomes too great, gas bubbles will form. Explain this phenomenon…

A: Xylem is the vascular part of the plant that helps in the transportation of the water from the roots…

Q: 4.

A: Label 1 : This process is Transpiration in which water vapour moves out through pores called stoma…

Q: i. Explain how water moves from the root hair to the xylem vessels in the root. ii. Identify cell A,…

A: Plants require water to perform photosynthesis and therefore have a specialized tissue system for…

Q: We know that short-day plants do not really need short days, but actually long nights. Describe the…

A: The plant show pattern in flowering in response to the light. The phenomenon is called…

Q: When the stomata are closed, Select one: O a. gas and water exchange increase. O b. water exchange…

A: Given: Stomata are the structures present  in the epidermis of leaves.Stomata regulate the process…

Q: If you remove the shoot apical meristem of an actively growing bean plant, what would you expect to…

A: The meristem is a type of tissue found in plants. It consists of undifferentiated cells…

Q: The primary growth of a plant is due to the action of the ________. a. lateral meristem b. vascular…

A: A meristem is a type of plant tissue that contains undifferentiated cells. These cells are capable…

Q: What is the main path of (movement of) inorganic substances in plants?

A: Answer: INORGANIC SUBSTANCES = These are the compounds which lacks carbon0hydrogen bond , or which…

Q: The floating leaves of an aquatic plant has (a) stomata on the upper surface (b) stomata on the…

A: Stomata are tiny holes in the epidermis of leaves, stems, and other plant organs.

Q: The activity of lateral meristems_____ older roots and stems. a. lengthens b. thickens c. both a and…

A: * The answer of the question is option b that is thicken. * The activity of lateral meristems…

Q: Heartwood and sapwood consist of(A) bark.(B) periderm.(C) secondary xylem.(D) secondary phloem.

A: Heartwood is defined as the inner region of the wood which is dead and it forms a major part of the…