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Both a short day plant and a long day plant can produce can flower
simultaneously in a given place’. Explain.
Step by step
Solved in 2 steps
- ‘Both a short day plant and a long day plant can produce flower simultaneously in a given place’. Explain with suitable illustration.A short-day plant flowers only when exposed to light for less than 12 hours long. Which of the following would cause the plant to flower? * O a 13-hour night and 11-hour day with 1 minute of darkness after 6 hours a 12-hour day and 12-hour night with a flash of red light an 8-hour day and 16-hour night with a flash of white light after 8 hours O a 9-hour night and 15-hour day with 1 minute of darkness after 7 hours 24 hours of continuous lightIn flowers, the structures that produce male gametophytes are called _______ ;the strcutures that produce female gametophytes are called _______ . a. pollen grains; flowers c. anthers; stigma b. stamen; carpels d. megaspores; microspores
- In the Kotukutuku plant, Fuchsia excortiata, why do pollinated flowers remain attached to the plant for several days after pollination occurs and nectar is no longer produced Size of flower and pollination Annual versus perennial reproduction Time and expense to grow the pollen tube outweighs the cost of maintaining the flower on the tree Size of flower and number of flowers on inflorescenceGinger undergoes three (3) stages of Growth. Name and describe the these stages from Germinating stage to time for harvestingDuring double fertilization, one sperm will unite with the egg, forming a zygote. As mentioned in the lecture, a generative cell divides to form two sperm. How is the second sperm used during the process of double fertilization? 00 00 It fertilizes the flower by landing directly on the stigma, which is the sticky surface found above a flower's style and ovary. This depends on the type of plant. Land plants will allocate the sperm that is not united with the egg to the formation of different tissues through mitosis and cytokinesis. It forms a triploid cell by fusing with polar nuclei. This cell then divides and develops endosperm tissue. Since it was not the sperm to fuse with the polar nuclei, the sperm cell will degenerate.
- Green mangoes were freshly harvested from tree and buried in a jar of uncooked rice to accelerate ripening process. During storage, the fruit colour has changed to yellow. Explain the principles behind this ripening process by relating to the fruit tvne and identify the phytohormone responsible for this ripening process. (i) Suggest another simple method to expedite the ripening process with another fruit of the same type. Marks will be awarded for the correct type of materials (fruit), method and experimental set up (temperature and space). (ii)Explain why the flower is usually described as “a leaf in love”Name TWO (2) characteristics of dark grown plant and provide specific term for dark grown plant. *
- In a short essay(100–150 words), discuss how a flower’s ability to reproducewith other flowers of the same species is an emergent propertyarising from floral parts and their organization.Describe the arrangement of floral members in relation to their insertion on the thalamus. Calyx, corolla, androecium, and gynoecium.Which term applies if peach trees growing in specific mild climates of the southern United States do not receive about 850 hours of temperatures below 40 degrees, they will not produce flowers in the spring? photoperiodism phototropism vernalization senescence dormancy