Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 25, Problem 8TY
Summary Introduction
Introduction:
The seed-bearing structure in the plant is termed as the fruit. It is formed from the ovary after the flowering is completed in plants. Humans and animals are very much dependent of fruits as the source of food, as they are highly nutritive.
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Which of the following sequence represents the events that take place in the development of a fruit?
-pollination, fertilization, germination of pollen tubes, ovule matures, embryo forms.
-pollination, double fertilization, ovule matures, embryo forms within the seed, ovary matures around the seeds.
-pollination, fertilization, embryo development within the seed, ovary matures around the seeds.
-pollination, germination of pollen, endosperm, ovule.
-pollination, endosperm formation, embryo development within the seed, ovule matures.
Which of the following is True?a. Ethylene stimulates abscission layers to form.b. Abscisic acid causes abscission layers to form.c. Ethylene is sometimes sprayed on flowers to keep them fresh.d. Abscisic acid stimulates seed germination.
What conditions do seeds need to germinate?
Water only
Oxygen only
Water and oxygen
Chapter 25 Solutions
Principles of Biology
Ch. 25.1 - Why do you think liverworks, mosses, and hornworts...Ch. 25.1 - Prob. 1TYKCh. 25.1 - Prob. 2TYKCh. 25.2 - Prob. 1CCCh. 25.2 - Prob. 2CCCh. 25.2 - Prob. 1TYKCh. 25.2 - Prob. 2TYKCh. 25.3 - In what way are gymnosperms different from...Ch. 25.3 - Prob. 2TYKCh. 25.4 - Prob. 1TYK
Ch. 25.4 - Prob. 2TYKCh. 25.5 - In what other way do corn ears differ from thoseof...Ch. 25.5 - What feature of wild food did humans alter during...Ch. 25 - Prob. 1TYCh. 25 - Prob. 2TYCh. 25 - Prob. 3TYCh. 25 - Prob. 4TYCh. 25 - Prob. 5TYCh. 25 - Prob. 6TYCh. 25 - Prob. 7TYCh. 25 - Prob. 8TYCh. 25 - Prob. 9TYCh. 25 - Prob. 10TYCh. 25 - Prob. 1CCQCh. 25 - Prob. 2CCQCh. 25 - Prob. 3CCQCh. 25 - Prob. 1CBQCh. 25 - Prob. 2CBQ
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- Label the visible parts of mung bean and corn seedlingsarrow_forwardLook at the flower, observe color, size of petals and height of stamen and pistil. What type of pollination does it present? - Self pollination - wind cross pollination - bird cross politicizationarrow_forwardList four mechanisms of seed dispersal:arrow_forward
- Presence of all of the following factors promotes dormancy of seeds, except a.Phenolics b.Impermeable seed coat c.Immature embryo d.Gibberellinsarrow_forwardWhat are the different methods of fruit and seed dispersal? Describe each.arrow_forwardall of the follwoing represents seed dispersal adaptaion except a. hooks on the fruit b. spines on the fruit c. fleshy fruit d. sticky seeds e. fluffy parachute structures on the seedsarrow_forward
- An angiosperm which is unable to form fruits would likely have which of the following defects? it would not be able to attract pollinators it would not be able to provide nutrients to the embryo • it would not be able to disperse seeds it would not be able to form seedsarrow_forwardIdentify different types of fruitsarrow_forwardIdentify the PLANT HABIT, REPRODUCTIVE TYPE (Monoecious/Dioecious), LEAF TYPE, LEAF SHAPE, FLORAL CHARACTERISTICS, FRUIT MORPHOLOGY and SEED SIZE/SHAPE of ARECALES SPECIES.arrow_forward
- Give the ff characteristics of Hibiscus rosa-sinensis: Number of floral parts: flower symmetry and sexuality: pollination typearrow_forwardIf a pollen grain lands on the stigma of a plant of a different species: -the pollen grain would be unable to form a generative cell. -the pollen grain would be ejected from the stigma. -the pollen grain would be too large or too small to enter the stigma. -the pollen grain may not be able to germinate. -the pollen would likely not attach to the stigma.arrow_forwardDescribe the structure of a seed. Include the following: Seed coat, endosperm and embryo.arrow_forward
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