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TRUE OR FALSE
1.Gymnosperms reproduce diploid spores by way of mitosis.
2. Seed plants have one kind of spore and produces a bisexual gametophyte.
3. The transfer of pollen to the part of a seed plant that contains the ovules is called germination.
Step by step
Solved in 2 steps
- In flowers, a _______ contains one or more ovaries. a. Pollen sac b. Carpel c. receptacle d. sepalIn a plant’s male reproductive organs, development of pollen takes place in a structure known as the. stamen microsporangium anther tapetumTRUE OR FALSE 1. A seed can remain dormant for days, months, or even years after being released from the parent plant, whereas most spores have shorter lifetime. 2. The male organ of the flower which is the anther. 3. If a sperm fertilizes an egg of a seed plant, the zygote grows into a gametophyte embryo.
- Multiple choice 1. In a plant species that is homosporous, antheridia and archegonia are borne on? A. a single gametophyte B. separtate gametophytes C. single sporophyte D. separate sporophytes 2. Which of the following is correct in the angiosperm? A. A female gametophyte develops from the outer layer of the ovule while; the fruit develops from the outer wall of the ovary B. A pollen tube develops from the outer layer of the ovule while; a carpel develops from the outer wall of the ovary C. A seed coat develops from the outer layer of the ovule while; the fruit develops from the outer wall of the ovary D. A seed develops from the outer layer of the ovule while; an embryo develops from the outer wall of the ovary Fill in the blanks. 1. In the female gametophyte of the ovary, one egg is associated with the __________ which is located at the __________ end.hich option does gibberellin induce? fruits to ripen more than one of these to occur cell division in meristems plants to bend toward the light hydrolysis of starch in seeds10.Which is a growth-inhibiting hormone that may promote seed dormancy?Read and analyze the question and choices CAREFULLY; more importantly, ALWAYS CHOOSE the BEST answer. Abscisic acid Cytokinin Ethylene Auxin
- MULTIPLE CHOICE 30.Which is not a feature of sexual reproduction? a.Gamete formation and fertilization take place. b.Offspring are similar to parents genetically and physically. c.Two parents are involved (both male and a female). d.The whole process is slow and lengthy. 32.The following plant hormones are located in the roots EXCEPT _______________. a.ethylene b.abscissic c.cytokinin d.gibberelin 33.Which phase of growth in plants comes first? a.Meristematic b.Elongation c.Maturation d.Fertilization 34.Unlike animal hormones, plant hormones do not have definite target areas and not made in tissues specialized for hormone production. a.True b.FalseTRUE OR FALSE 1. The green plants or the chlorobionta is classified into three groups namely Chlorophyceae, streptophyceae, and Charophyceae.TRUE OR FALSE 1. A lignified primary cell wall is one of the many apomorphies of vascular plants. 2. The sporophyte structure in vascular plants is dependent on the gametophyte structure. 3. The presence of lignin in the secondary cell wall structure of vascular plants acts as a cementing agent between cellulose fibrils.
- Bullet items are options for question above it 1. The seed-bearing plants are the gymnosperms and the angiosperms. Incorporating seeds into their reproductive cycle gave these plants an advantage over other groups of plants that came before. Which of these is an advantage that seeds have over spores? Seeds require less energy for the plant to produce than do spores. Seeds can be spread on the wind or by animals, while spores have to swim through water. Seeds contain a store of nutrients to nourish the plant embryo until it is able to grow. options for pull down menus: options for 1: -ovule -pollen sac options for 2: -in seed -in ovule -pollen options for 3: -spore -seed -flower options for 4: -pollen sac -ovule options for 5: -in ovule -in seed -pollenMultiple choice 1. Which of these is not an adaptation for reproductive success in an angiosperm? A. fruits with brightly colored skin B. fleshy fruits C. sweet-tasting seeds D. digestible seed coats 2. Which of the following describes or is a function of the endosperm? * A. maybe absorbed by the cotyledon in the seeds of dicot B. is usually a triploid tissue C. is digested by enzymes in monocot seeds following hydration D. all of the above Fill in the blanks 1. In the corn seed, the _________ refers to the thin layer of fused __________, mesocarp and endocarp. *True or false. 1.) The ovary becomes the seed when matures 2.) Pollination is the transfer of pollen grains from the stamen to the stigma 3.) Double fertilization in plants produces two zygotes. 4.) The anther contains the female sex cells of the plants. 5.) Epigeal germination occurs when the cotyledon remains below the ground.
