Q: Fertilization in plants occurs in the –a) Embryo sacb) Stylec) Pollen tubed) Stigma
A: Fertilization is also known as generative fertilization, insemination, pollination, fecundation,…
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A: Evergreen fern. Example: Polystichum munitum Frond means leaves of FERN. There are generally two…
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A: Every organism has adaptations based on the environment they live in and have mechanisms that…
Q: Pollens allow sperm to fly instead of swim. true or false
A: In flowers, the egg cells are present in structures called ovules, and the sperm cells are present…
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A: In this question, we have to answer the flowering pattern in short day plants
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A: Plants are autotrophic organisms.
Q: Vernalization induces flowering following exposure to a. water. b. drought. c. cold. d. heat
A: The process that includes enhancement of seed production or stimulation of flowering by exposing a…
Q: Match the term on the left with the definition on the right... Pistil Stamen Phloem Xylem IL
A: A flower is a reproductive part of angiosperms. Gymnosperms and other lower plants contain…
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A: The seedless vascular plants are those plants that will not produce seeds. They reproduce through…
Q: 11. Structure that carries the sperm cells 1- Filament 2- Stigma Style 4- Pollen 3-
A: The filament is the part of the stamen that contains filament and anther. It is the male part of the…
Q: Label the Cycas Leaf CS
A: Cycas can be outlined as a genus of the plants that belong to the Cycadophyta lineage, which is not…
Q: Fill in the blank. The megagametophyte is No answer text provided. O Diploid O Haploid
A: Megagametophyte is the female reproductive organ which produces female gametes.
Q: A Sporophytes Gametophytes Sporangia
A: The image shown above is of some lower plants like bryophytes or pteridophytes. This can be deduced…
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A: Photosynthesis is the mechanism by which plants obtain energy from light. This is how light affects…
Q: 10. Long slender part of the pistil Stigma 2- Filament 3- Style 4- Anther
A: Flowers include a plant's reproductive components. Pollen is produced by the male portions of the…
Q: Select the correct adaptation:advantage match. seeds : dormancy pollen : sporophyte disperal fruit :…
A: Seeds: dormancy Seed dormancy is an evolutionary adaptation that prevents seeds from germinating…
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A: Plant tissue cultures are a way by which plants are propagated asexually in test tubes in the…
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A: Inflorescence: The arrangement of flowers on the stem is known as inflorescence. This process of…
Q: Vivipary is defined as germination.
A: Some species, such as mangroves, have seeds that germinate while still attached to the maternal…
Q: 15. Sticky structure where pollen enters the pistil 1- Style Stigma Anther 2- 3- Ovary 4-
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A:
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A: Answer: GERMINATION : It is the process of development of a complete new organism from a seed or…
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A: germination can be defined as the growth of a seed into a young plant or a seedling. It may be of to…
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A: Germination is the process of a plant growing from a seed. The seed contains all the necessary…
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A: The anther is the major structure involved in the reproduction of flowering plants. It is present at…
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A: Seed It is a mature ovule that comprises an embryo or and food reserves, enclosed within a…
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Q: 3. Structure that produces pollen Filament Stigma Style 2- 3- Anther 4-
A: Stamen Pollen producing reproductive organ of a flower. This consists of two parts: The Anther or…
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A: A trait that is shown in an animal is due to it's gene regulation. Every gene is regulated by the…
Q: ) aggregate fruit
A: A fruit is developed from a seed after pollination. It is a dry or fleshy ripened ovary. Fruit is a…
Q: he tunction of the endosperm is to provide upport
A: The endosperm is the tissue which is produced inside the seeds in most of the flowering plants. It…
Q: 23. The integuments develop into the: O hilum. seed coat. O funiculus. O coleoptile. endosperm
A: An ovule cell is protected by the layer which is known as integument. Acrogymnospermae (seed…
Q: A simple pistil consists of a single (a) calyx (b) carpel (c) ovule (d) filament (e) petal
A: Introduction :- The pistil is the female portion of a flower that bears seeds. It has a swelling…
Q: 2. Bees are attracted to the flower by its Sepals 2- Petals Stigma 1- 3- 4- Stamen
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Q: O flowers roots stems O leaves
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Q: Below is a Figure from a Shoot Tip, indicate which numbers islare meristematic cells? - 2 3
A:
Q: pls label the endosperm here thank u
A: Lemons are high vitamin C, also contains vitamin B5, B6, B1 and B2 as well as calcium, iron, folate…
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A: Introduction Small, non-vascular plants known as bryophytes include mosses, liverworts, and…
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dormancy
germination
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The signaling molecule ABI-5 that
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- Volatile Secondary Metabolites in Plant Stress Responses In 2007, researchers Casey Delphia, Mark Mescher, and Consuelo De Moraes (pictured at left) published a study on the production of different volatile chemicals by tobacco plants in response to predation by two types of insects: western flower thrips and tobacco budworms. Their results are shown in FIGURE 30.20. Volatile Compound Produced Treatment C T W WT HV HVT Myrcene 0 0 0 0 17 22 -Ocimene 0 433 15 121 4.299 5.315 Linatod 0 0 0 0 125 178 indole 0 0 0 0 74 142 Nicotine 0 0 233 160 390 538 -Etemene 0 0 0 0 90 102 -Caryophyllene 0 100 40 124 3.704 6.166 -Humutene 0 0 0 0 123 209 Sesquiterpene 0 7 0 0 219 268 -Farnesene 0 15 0 0 293 457 Caryophyltene oxide 0 0 0 0 89 166 Total 0 555 288 406 9.423 13.563 FIGURE 30.20 Volatile (airborne) compounds produced by tobacco plants (Nicotiana tabacum) in response to predation by Different inserts. Plants were untreated (C), attacked by thrips (T), mechanically wounded (W). mechanically wounded and attacked by thrips (WT), attacked by budworms (HVJ, or attacked by budworms and thrips (HVTJ. Values are nanograms/day. 3. Which one of the chemicals tested is most likely produced by tobacco plants in a nonspecific response to predation?Volatile Secondary Metabolites in Plant Stress Responses In 2007, researchers Casey Delphia, Mark Mescher, and Consuelo De Moraes (pictured at left) published a study on the production of different volatile chemicals by tobacco plants in response to predation by two types of insects: western flower thrips and tobacco budworms. Their results are shown in FIGURE 30.20. Volatile Compound Produced Treatment C T W WT HV HVT Myrcene 0 0 0 0 17 22 -Ocimene 0 433 15 121 4.299 5.315 Linatod 0 0 0 0 125 178 indole 0 0 0 0 74 142 Nicotine 0 0 233 160 390 538 -Etemene 0 0 0 0 90 102 -Caryophyllene 0 100 40 124 3.704 6.166 -Humutene 0 0 0 0 123 209 Sesquiterpene 0 7 0 0 219 268 -Farnesene 0 15 0 0 293 457 Caryophyltene oxide 0 0 0 0 89 166 Total 0 555 288 406 9.423 13.563 FIGURE 30.20 Volatile (airborne) compounds produced by tobacco plants (Nicotiana tabacum) in response to predation by Different inserts. Plants were untreated (C), attacked by thrips (T), mechanically wounded (W). mechanically wounded and attacked by thrips (WT), attacked by budworms (HVJ, or attacked by budworms and thrips (HVTJ. Values are nanograms/day. 4. Are any chemicals produced in response to predation by budworms, but not in response to predation by thrips?Phytochrome, plays an important role in flowering in many plants. It can also be used to determine when lettuce seeds germinate (shown in the figure below What is phytochrome likely doing in the lettuce seeds? Activating abscisic acid production Activating inhibitors of germination Inhibiting gibberellin synthesis Turning on germination-related genes
- Figure 4 shows an open stoma during a gaseous exchange process in a plant. Elaborate the gaseous exchange process in plants with considering the influence of Y to the turgidity of guard cells.Ginger undergoes three (3) stages of Growth. Name and describe the these stages from Germinating stage to time for harvestingPlant Physiology In the amazon rainforest, what is needed (1 only) to induce germination faster? Why?
- The signaling molecule for flowering might be released earlierthan usual in a long-day plant exposed to flashes of(A) far-red light during the night.(B) red light during the night.(C) red light followed by far-red light during the night.(D) far-red light during the dayCan you answer all the parts to this question please In shoot apical meristems, the peripheral zone (PZ) genetic program maintains indeterminacy and allows lateral primordia initiation. (a) Explain how the PZ genetic program control (1) meristem maintenance, (2) organ separation, and (3) organ differentiation/leaf primordia outgrowth using the following keywords: KNOX genes, cytokinins, gibberellin, auxin, CUC, and AS1. (b) Explain how this genetic program is used in the formation of compound leaves. (c) Please use KNOX PZ genetic module as an example to explain process homology during compound leaf evolution.Can you answer this question, all of the parts please. A. Please explain the phenomenon of apical dominance in plant growth. B. Which plant hormone(s) involved in apical dominance?
- Seed germination is stimulated by _____; stem elongation is stimulated by ____________ Select one: a. far-red light, far-red light b. red light, far-red light c. red light, red light d. far-red light, red light e. none of the above18.It stimulates biochemical activities that cause observable physiological responses by organisms. a.Auxin b.Hormone c.Insulin d.Gibberelin 19.Which natural methods of asexual reproduction is exhibited by ginger, fern, iris and sugarcane? a.Bulb b.Runner c.Corm d.Rhizome 24.Unlike animal hormones, plant hormones do NOT have definite target areas. a.True b.False Plant senescence is the process of aging in plants. Which plant hormone delays senescence? a. Cytokinin b. Gibberelin c. Jasmonic acid d. Brassinosteroid The following are functions of the stomata except ____________. a. close or open pores to keep the moisture content developed b. open and close the pores in the leaves for an exchange of gases c. allow the plant to take in carbon dioxide and give out oxygen for photosynthesis d. convey water and dissolved minerals from the roots to the rest of the plantHeterozyus for flower position and stemlength AaTt are allowed to self pollinate. 400 of the resulting seeds are planted. Draw a punnett square for this How many offsprin would be predicted to have terminal flowers and be dwarf
