What is the function of the sori found on the underside of the fern fronds a. Gas exchange b. Preventing excessive water loss - c. They contains the spores d. They aid in photosynthesis Sori have no known function e.

Q: Cells of the ________ contain chloroplasts. a. epidermis b. vascular tissue c. stomata d. mesophyll

A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…

Q: Fruitsa. nourish embryo development.b. help with seed dispersal.c. signal gametophyte maturity.d.…

A: A fruit consists of the seed in flowering plants and is formed from the ovary after flowering. The…

Q: Reproduction in a pine tree is associated witha. male and female cones. c. the formation of pollen…

A: Reproduction in plants is accomplished through sexual as well as asexual mode. In gymnosperms like a…

Q: b. basal meristem cells continuously produce new spore-generating. c. the foot develops rhizoids and…

A: Hornworts are the type of bryophyte. Bryophytes have gametophytic as a dominant phase of their life…

Q: Mosses, liverworts, and hornworts do not reach a large size becausea. they lack chlorophyll.b. they…

A: Answer is b.) they do not have specialized vascular tissue to transport water very high.

Q: Phytochromesa. primarily respond to ultraviolet light.b. exist in two different stable forms.c. have…

A: Plants are multicellular and eukaryotic organisms. Plant body is made of shoot and root. Shoots are…

Q: Gases enter and leave plant leaves through pores calleda. stomata.b. meristems.c. chloroplasts.d.…

A: Answer is a.)  Stomata.

Q: The innermost layer of the root cortex is the (A) core. (B) pericycle. (C) endodermis. (D) pith.

A: The organisms with the eukaryotic cell having cell walls and capable of producing their own food…

Q: Primary vascular tissues are produced by the O a. intercalary meristems O b. ground meristem O c…

A: Introduction: The plant growth is not limited and occurs throughout the whole life of the plant.…

Q: Gas exchange occurs through microscopic pores formed by two (a) subsidiary cells (b) abscission…

A: Introduction Plants are autotrophs as they can synthesize their own food by photosynthesis. Plants…

Q: You’ve just bought a house with a great view of the mountains, but you have a neighbor who planted a…

A: Plants and trees are the living things which belong to the kingdom plantae in the 5 kingdom…

Q: How do plants acquire carbon to build carbohydrates and lignin? Select one: O a. Through the stomata…

A: Plants offer us nutrition, resources to build shelter, energy to maintain the warmth, and oxygen to…

Q: Which statement about bryophytes is not correct?   A. They lack xylem and phloem   B. The…

A: Answer - The dominant phase of their life cycle is diploid.

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: 2 Phloem 4. Xylem 3. LEG DEPARTA vein 5. CON among many vertebrates a. Transports water and minerals…

A: Q  a. Transports water and minerals from roots   b. Transports sugar from leaves   c. Transports or…

Q: Phytochromea. can be affected by red and far-red wavelengths of light.b. affects a plant’s…

A: The elimination of the adverse effects (improper temperature, sunlight, water availability, and…

Q: In vascular plants, phloem tissue primarilya. transports water.b. transports carbohydrates.c.…

A: Phloem tissue: [Vascular plants]          The vascular tissue in charge of transport and…

Q: A waxy cuticle is an adaptation thata. helps to prevent water loss from tracheophytes.b. helps to…

A: The plants need various substances for their purpose of growth. The plants make their own food with…

Q: The structure of the fern sporangium shown promotes spore dispersal by a ‘catapult’ mechanism. What…

A: Answer - D. Water evaporation from the annulus.

Q: The food-conducting cells in an oak tree are called a. tracheids. b. vessels. c. companion…

A: Answer is d .) Sieve-tube members.

Q: Ferns havea. a dominant gametophyte generation.b. vascular tissue.c. seeds.d. Both a and b are…

A: Answer- Ferns comes under pteridophytes.

Q: Which of the following characteristics of plants is absent intheir closest relatives, the charophyte…

A: Charophytes are classified under freshwater algae, which share certain distinctive traits with the…

Q: In plants,a. a gamete becomes a gametophyte.b. a spore becomes a sporophyte.c. both sporophyte and…

A: Flowering plants show the "alternation of generations" as a stimulating life cycle for sexual…

Q: The sporophyte of nonvascular plants A. possesses anthers and archegonia O B. produces spores C. is…

A: Thank you for the question  Answer :- The correct option is B( The sporophytes of non vascular…

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: Both early plants such as mosses and ferns required water:  A. To reproduce via flagellated sperm.…

A: Mosses are classified as Bryophyta, while ferns are classified as Pteridophyta. Mosses and ferns are…

Q: The green, gametangia-bearing moss plant (a) is the haploid gametophyte generation (b) is the…

A: The moss has the mature sporophyte that stays attached to the gametophyte and  the sporophyte is not…

Q: With stomata closed, a waterproof cuticle______ . a. minimizes water loss through plant surfaces b.…

A: Water molecules escape from the leaves through the process of transpiration. The cells that are…

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: 1.  What might be the direct consequence to liverworts if the gene for the expression of elaters is…

A: Liverworts These are land plants that lack a vascular system. As they do not have a vascular system…

Q: Male mosses often possess a A. archegonium B. calyptra C. splash cup D. all of the above Release of…

A: Mosses are nonvascular bryophytes along with liverwort and hortwort species.  They are nonflowering…

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: Plants developing in dry conditions are: A. xerophytes B. mesophytes C. lithophytes D.…

A: Plants are the living organisms which synthesize their own food by photosynthesis. In photosynthesis…

Q: Stomata (a) help prevent desiccation of plant tissues (b) transport water and minerals through plant…

A: Plants produce their own food by the process of photosynthesis. Plants have leaves that helps in…

Q: Closed stomata______ . a. limit gas exchange c. prevent photosynthesis b. permit water loss d.…

A: Stomata are the tiny pores or openings on the surface of the leaves in plants. Stomatal openings are…

Q: Mycorrhizae enhance plant nutrition mainly by(A) absorbing water and minerals through the fungal…

A: BASIC INFORMATION MYCORRHIZA It is basically combination of green plants and fungus. This…

Q: A Fern spore germinating B Young prothallium F Young sporophyte attached to gametophyte C Mature…

A:

Q: The epidermis___________. a. Is made of lignified cells that created a protective layer over the…

A: Epidermis is utermost, protoderm-derived layer of cells covering the stem, root, leaf, flower,…

Q: A prothallus is: O a. Atype of gametophyte. O b. Found in the conifers for transporting the sperm. O…

A: Ferns are a vascular plant group that belongs to the Pteridophytes plant kingdom. They reproduce by…

Q: The waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema…

A: Plants in various habitats have mutated differently over time in response to their needs. Some…

Q: Which of following are found in the gametophyte generation of ?mosses إختر أحد الخيارات protonemata,…

A: There is a first generation moss, the gametophyte. The gametophyte produces a sperm and an egg. They…

Q: Stem of sub-merged hydrophytes is soft and weak because of (a) the absence of phloem (b) the…

A: Plants that live in water and adapt to their surroundings are known as hydrophytes. Hydrilla,…

Q: A waxy cuticle helps land plants_______ . a. conserve water c. reproduce b. take up carbon dioxide…

A: Introduction Plants are mostly photosynthetic eukaryotes belonging to the Plantae kingdom.…

Q: The bryophytes (a) include mosses, liverworts, and hornworts (b) include whisk ferns, horsetails,…

A: Bryophytes are plant species that play an important role in ecosystem regulation. They collect vital…

Q: Why do mosses grow well in the Arctic tundra? a. They grow better at cold temperatures. b. They do…

A: Answer: Introduction:Mosses are minute, non-vascular does not have flower plants in the taxonomic…

Q: Epiphytes are plants that: O a. Do not live in the soil. O b. Have no roots. Have no leaves. Have…

A: Epiphytes , also called air plants , are the plants that grows upon another plant or object merely…

Embryology