A Which of the following is not a structure for gas exchange in plants? a. stomates b. lenticels C. aerial root hairs d. flowers

Q: The medical value of plants is due to chemicals found in a. leaves b. tree bark c. flwers d.…

A: Medicinal value of plants.

Q: Plants hormone that induces cell division is: A. auxins B. gibberellins C. kinins D.…

A: Plant hormones are also known as phytohormones. Plants hormones are signal molecules, produced…

Q: If you exposed seeds to a series of red light versus far-red light treatments, which of the…

A: Introduction: To absorb light, plants have specific pigments called phototropin and phytochrome.…

Q: Family Clusiaceae A. Leaf type:____ B. Flower characteristics:____ C. Seed morphology:____…

A: In Linnaean taxonomy, the family is one of the eight primary hierarchical taxonomic levels, located…

Q: Species in the phyla Hepatophyta, Anthocerophyta and Bryophyta have all the following…

A: The plant kingdom comprises organisms that are eukaryotic, multicellular, and possess the key…

Q: Stem regions at which leaves are attached are called ________. a. trichomes b. lenticels c. nodes d.…

A: Plant body consists of various vegetative parts like leaf, stem and root. The reproductive parts of…

Q: Gaseous hormones are able to enter cells without requiring specialmembrane transporter. Which of the…

A: Plant hormones are some chemical compounds that are present in very low amount in plant body.  They…

Q: which of teh following is not a stem adaptaion a. peeling bark b. twining stems c. hollow stems…

A: Plant adaptation Plant have adaptations to help them live and grow in different areas. These…

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: A seed containsa. a seed coat. b. cotyledon(s).c. an embryo. d. stored food.e. All of these are…

A: Seeds are produced from ripened ovules and after fertilization. Embryo emerges from the zygote, and…

Q: The coconut water from tender coconut is A. cellular endosperm. B. free nuclear endosperm. C. both…

A: Coconut is an edible fruit found in the tropical areas it is a species of the palm family. It has…

Q: Vascular tissues occur in which of the following plant organs? a. Stems b. Roots c. Leaves d.…

A:

Q: Root cells exhibit positive gravitropism with the help ofa. auxin in the root cells.b. amyloplasts…

A: When the effect of gravity influences the direction of growth of a plant, it is called gravitropism.…

Q: When a dicot seed sprouts,a. a coleoptile protects the emerging shoot.b. the shoot develops more…

A: Answer: Introduction: Angiosperm are the largest group of vascular green plants, containing 300,000…

Q: The ability of a sunflower plant to become taller is directly due to its a. apical meristem. c.…

A: Answer is a)  Apical meristem.

Q: Pollen grains in plants are produced in: A. roots B. leaves C. flower D. stem

A: Flowers are also known as blossom. Their primary function is reproduction in plants. They also…

Q: these are found in almost all types of vascular plants a. sieve tubes b. vessel elements c. all of…

A: Vascular plants (tracheophyte) differ from non-vascular bryophytes in that they have specialized…

Q: The seed coat forms from the______ . a. integuments c. endosperm b. coleoptile d. sepals

A: A fruit is a mature ovary and its related parts. It typically contains seeds, which have created…

Q: a. Monocot stem Draw or attach a photo of a monocot stem Give characteristics of a monocot stem b.…

A: Monocot stems lack secondary growth because of the lack of cambium in the internal tissue system…

Q: This plant hormone is a hydrocarbon gaseous hormone, which is best known for its role in fruit…

A: Plant hormone: Plant hormones or phytohormones are organic substances, present within plants in a…

Q: The integuments of an ovule will develop into the a. embryo. b. endosperm. c. fruit. d. seed…

A: The integuments are the protective envelope that surrounds the ovule body. Based on integuments…

Q: All of the vascular bundles inside a typical______ are arranged in a ring. a. monocot stem c.…

A: The vascular bundles (xylem and phloem) allows the transport of nutrients and water to all the pats…

Q: which of the following best describes the seeds of dicots? a. the seeds produce only one cotyledon…

A: Seed is a fertilized matured ovule consisting of an embryo enclosed by protective seed coats. The…

Q: The ________ forces selective uptake of minerals in the root. a. pericycle b. epidermis c.…

A: The structure of plant roots, stems, and leaves facilitates the transport of water, nutrients…

Q: How are compound leaves distinguished from simple leaves?a. Compound leaves do not have axillary…

A: In a simple leaf, the lamina is entire or incised, the incision does not touch the midrib. in…

Q: The ability of a sunflower plant to become taller is directly due to itsa. apical meristem. c.…

A: Meristem :   Plant tissues responsible for growth of the plant. The cells divided and differentiated…

Q: In flowers, the structures that produce male gametophytes are called______ ; the structures that…

A: Flower can be defined as the organ present in the plant which participates in reproduction. The…

Q: It is the hormone which is responsible for stem elongation. *         a. Gibberellins       b.…

A: Plant hormones: a. It is an endogenous organic compound that is produced at very low concentrations…

Q: Which of the following is a simple, dry, and dehiscent fruit?a. apple d. pineappleb. tomato e.…

A: Simple fruit:               A type of fruit which originates from a single or compound ovary with…

Q: The stalk of a leaf is known as the ________. a. petiole b. lamina c. stipule d. rachis

A: Plants are multicellular, eukaryotic organisms which have a well-defined nucleus, membrane bound…

Q: Which of the given plant hormone will be more abundant in dormant buds and seeds? a.Gibberellin…

A: Plant hormones regulate nearly every aspect of plant growth and environmental reactions on the…

Q: Meiosis occurs within the:   A. Endosperm   B. Petal   C. Ovary   D. Ovule   E. Stigma

A: Meiosis is a special type of cell division of cells into the sexual reproductive material used to…

Q: The seed leaves of a plant are called thea. meristem.b. endosperm.c. cotyledons.d. zygote.

A: Answer: Introduction: Angiosperm are the largest group of vascular green plants, containing 300,000…

Q: Phloem is a tissue found in: A. reproductive organs of animals B. plants C. insects D.…

A: The tissue is a cellular level of organization between organ and cell. The nervous, muscular,…

Q: The stamen consists of a long stalk called the filament that supports the ________. a. stigma b.…

A: A flower is the reproductive structure found in flowering plants (plants of the division…

Q: Which group of plants bears stomata only in the sporophyte generation a. Chrysophyta Ob.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The electrochemical gradient is __________________. A. The total chemical potential gradient B. The…

A: Xylem is the specialised tissue of vascular plants that transports water and nutrients from the…

Q: This is the location of the carbon fixation reactions in C4 plants.      Select one: a.  the…

A: INTRODUCTION C4 plants These are the plants who avoid photorespiration by using phosphoenolpyruvate…

Q: Primary phloem develops from: A. lateral meristem B. protoderm C. extrastelar cambium…

A: Vascular plants consists of two specialized tissues called xylem and phloem that act as a conducting…

Q: One of the following plant organs does not have any modification for any purpose. a. Leaf b. Stem…

A: Introduction Modifications means refinement or reconstruction. When plant undergo certain…

Q: Elevated levels of this hormone promote seed dormancy? Select one: a. gibberellin b. abscisic acid…

A: Plant hormones These organic molecules also called phytohormones are responsible for regulating the…