The stomata open due to the guard cells: O a. Contracting to leave a gap between the cells, the stomata. O b. Expanding in their length. O c. Having muscle cells that pull open the stomata. O d. The cells twist open (like a door). O e. Expanding in their width.
Q: All of the statements concerning stomata are FALSE except stomata are absent in aquatic plants.…
A: Stomata are minute openings found in the epidermis of leaves, stems and other plant organs.
Q: Guard cells are paired cells that are found in the leaves of plants. What is the role of guard cells…
A: Guard cells are the cells that are present on the leaves, stem, and other parts of the plant. These…
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: Which of the following statements regarding stomata is TRUE? Stomata allow gases to diffuse into and…
A:
Q: All of the tissues of a plant originate froma. epidermal tissue.b. meristem tissue.c. ground…
A: Plants are multicellular, photosynthetic eukaryotes belonging to Kingdom Plantae. Plants are termed…
Q: Minute pores known as _______________ dot the surface of the epidermis of leaves and stems; each…
A: Transpiration is evaporation of excess water from plants through its aerial parts like stem ,…
Q: Stomata are openings on plants that allow for gas exchange. True False
A: Stomata are the minute openings present on the surface of the leaves. They are surrounded by two…
Q: One main root, formed from the enlarging embryonic root, with many smaller lateral roots branching…
A: Plants are multicellular and eukaryotic organisms. Plant body is made of shoot and root. Shoots…
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: In a root tip, the elongation zone has the function of: O a. Pushing the root down into the soil. O…
A: Roots are nongreen, underground and cylindrical structure of a plant that form a descending axis for…
Q: Welwitschia is a genus of plant that lives in the Namib andMossamedes Deserts in Africa. Annual…
A: Deserts are the biomes characterized by water scarcity.
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: What is an example of a specialized plant stem that you can buy in theproduce section of the grocery…
A: Plant stems are the ascending organs that develops from the direct propogation of the plumule. It…
Q: Stomata play an important role in the homeostasis of a plant, which statement regarding stomata is…
A: Stomata is a pore present in the adaxial or lower portion of the leaves which is guided by the guard…
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: The stomata opening is due to guard cells changing their shape, which is restricted by: a. They have…
A: Stomata are the bean shaped structures found in the leaves. These stomata help in transpiration and…
Q: What might happen to guard cells in a leaf suffering from water stress? guard cells would accumulate…
A: Gaurd cells would shrink and closs stomata. Hence option (4) is correct.
Q: Roots differ from stems because roots lack a. vessel elements. b. nodes. c. an epidermis. d.…
A: R.H. Whitaker’s classification system divides organisms into five different groups. Kingdom Plantae…
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: Which of the following is NOT a function of a stem? O supports the plant's weight O transports water…
A: Stem: it is the part of plants that present upper side of the ground. It bears the branches, fruits,…
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: 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: Why do some root cells have root hairs? O to increase the surface area of the cell and absorb water…
A: The outer surface of plant root consists of trichoblast cells, also known as hair forming cells. The…
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: Pines and other plants that grow in very cold climates have sunken stomata just like the plants of…
A: Pine scientific name is Pinus. It belongs to family Pinaceae. It is mostly found in the northern…
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: 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: 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: hat do you think are the advantages to a plan
A: Sclerenchyma can be defined as the tissue which makes the plant hard and stiff. Sclerenchyma is…
Q: Stomata play an important role in ths homeostasis of a plant, which statement regarding stomata is…
A: Stomata are pores found on the lower surface of most plant leaves. The primary function of stomata…
Q: What are the function of stomata? O Gas exchange O Water absorption O Light absorption O Respiration
A: Stomata are little pores tracked down on the outer layer of leaves. They are important for gas…
Q: Is water primarily pushed or pulled up the plant
A: Xylem and phloem are plant tissue that help in transport of substance. Xylem is involved in water…
Q: A The cells of the periderm The cells of the intermediate layer c) The cells of the basal layer D…
A: Neural crest is multipotent and arise from the embryonic ectodermal layer. They give rise to cell…
Q: Explain the role of light and carbon dioxide on the opening and closing of stomata
A: The paired guard cells present in plants causes the stomata to open when they take up water and…
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: Cypresses have structures called that grow up from their roots and may help them obtain oxygen.…
A: Note - we answer one question at a time. Cypress is a general name for various coniferous trees or…
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: Which of the following is false? a. Stems have vascular bundles, and roots have vascular cylinders.…
A: Botany, often known as plant science, plant biology, or phytology, is a discipline of biology that…
Q: If plants stomata are made to stay open at all times or closed at all times it will die or not? Why?
A: Transpiration is evaporation of excess water from plants through its aerial parts like stem ,…
Q: If a plant’s stomata are made to stay open at all times, orclosed at all times, it will die. Why?
A: Stomata are the tiny holes which are present on the surface of the leaves. The function of the…
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…
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- Modified leaves that enable a stem to climb are called __________, whereas modified leaves that cover the winter buds of a dormant woody plant are called __________. (a) spines; bud scales (b) bud scales; tendrils (c) tendrils; bud scales (d) tendrils; spines (e) carnivorous leaves; spinesWhich tissue system provides a covering for the plant body? (a) ground (b) vascular (c) periderm (d) dermal (e) cortexIs water primarily pushed or pulled up the plant? A. Push B. Pulled Water transpires primarily from? A. Only open stomata B. Entire leaf surface C. All stomata
- Stomata play an important role in ths homeostasis of a plant, which statement regarding stomata is true? A. When water concentrations are low in the plant, stomata will open. B. Stomata density increases in plants in hot areas C. Gases are moved through the stomata via active transport D.Stomata control the concentration of gases in the plantWith stomata closed, a waterproof cuticle______ . a. minimizes water loss through plant surfaces b. permits gas exchange between the plant and the air c. both a and bStomata play an important role in the homeostasis of a plant, which statement regarding stomata is true? A. When water concentrations are low in the plant, stomata will open. B. Stomata density increases in plants in hot areas C. Gases are moved through the stomata via active transport D. Stomata control the concentration of gases in the plant
- In roots, growth of lateral branches beginsa. on the root epidermis.b. on the root hairs.c. at the ground meristem.d. at the pericycle.Stomata are usually opena. at night, when the plant requires a supply of oxygen.b. during the day, when the plant requires a supply of carbondioxide.c. day or night if there is excess water in the soil.d. during the day, when transpiration occurs.e. Both b and d are correct.Which of the following is/are false regarding the phloem? A. It transports starch from the leaves to the stem. B. It transports sucrose from the leaves to the roots. C. It is located lateral to the xylem in tree stems. D. Unlike the xylem, majority of the cells are living. E. A and D F. B and C
- In vascular plants, phloem tissue primarilya. transports water.b. transports carbohydrates.c. transports minerals.d. supports the plant.In vascular plants, one difference between root and shoot systems is that a. root systems cannot undergo secondary growth. b. root systems undergo secondary growth, but do not form bark. c. root systems contain pronounced zones of cell elongation, whereas shoot systems do not. d. root systems can store food reserves, whereas stem structures do not.Welwitschia is a genus of plant that lives in the Namib andMossamedes Deserts in Africa. Annual rainfall averages only2.5 cm (1 inch) per year. Welwitschia plants contain a large numberof stomata (22,000 per cm2), which remain closed most of the time.Can you suggest how a large number of stomata would be beneficialto these desert plants?