BSC 117 Exam 2 HW Questions Flashcards | Quizlet

Select the correct statement(s) about angiosperm seeds. A. The embryo in an angiosperm seed is the offspring of the sporophyte plant. B. An angiosperm seed contains structures contributed by three generations of plants. C. All structures in an angiosperm seed are diploid. B. An angiosperm seed contains structures contributed by threeConsider the seed shown in this figure. Select the correct description of this seed. A seed includes contributions from three separate generations of plants. Select the correct statement describing the life cycle of angiosperms.Select the correct statement(s) about angiosperm seeds. A. The embryo in an angiosperm seed is the offspring of the sporophyte plant. B. An angiosperm seed contains structures contributed by three generations of plants. C. All structures in an angiosperm seed are diploid.(Circle the correct answer.) 9 When comparing the seeds of angiosperms and the seeds of gymnosperms, a. gymnosperm seeds mature on the surface of a cone scale while angiosperm seeds are enclosed in a frut b. nutritive material accumulates prior to fertilization in angiosperms while nutritive material is stored after fertilization in gymnosperms c. nutritive material is stored afterSelect the correct statement describing the life cycle of angiosperm: Double fertilization in the life cycle of seed plants results in the production of a diploid zygote and a triploid endosperm nucleus: 76: 932054246: In which of the following pairs do the structures play comparable roles in the plant and animal life cycles?

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Select the correct statement(s) about angiosperm seeds. A. the embryo in an angiosperm seed is the offspring of the sporophyte plant B. an angiosperm seen contains structures contributed by three generations of plants C. all structures in an angiosperm seed are diploidAngiosperms are vascular plants with stems, roots, and leaves. The seeds of the angiosperm are found in a flower. These make up the majority of all plants on earth. The seeds develop inside the plant organs and form fruit. Hence, they are also known as flowering plants. Angiosperms are the most advanced and beneficial group of plants.Select the correct statement(s) about angiosperm seeds. A) The embryo in an angiosperm seed is the offspring of the sporophyte plant. B) An angiosperm seed contains structures contributed by three generations of plants. C) All structures in an angiosperm seed are diploid.Green algae are considered as the ancestors of angiosperms. Is this statement correct? Justify your answer. Answer: Yes; Chloroplast is present; Question 15. Red algae reach the maximum depth in sea where no other photosynthetic form grow. Justify. Answer: The pigment phycoerythrin absorb the blue-green part of the sunlight's spectrum.

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The angiosperms are vascular seed plants in which the ovule (egg) is fertilized and develops into a seed in an enclosed hollow ovary. The ovary itself is usually enclosed in a flower, that part of the angiospermous plant that contains the male or female reproductive organs or both.Select the correct statement. A. Bryophyta are vascular non-flowering plants. B. Algae are nonvascular phanerogams. C. Angiosperms- Vascular seed bearing plants. Pteridophytes- Vascular and non seed bearing plants; Hence the correct option is D. Answer verified by Toppr . Upvote (0)1. As autotrophs, plants can synthesize all the nutrients they require. 2. Mineral deficiency symptoms vary with the mobility of the mineral within the plant. 3. Plants can remain healthy despite micronutrient deficiencies because micronutrients are needed in such small quantities.Read the following statements <br> (a) Angiosperms range in size from microscopic Wolffia to tall trees of Eucalyptus <br> (b) In angiosperms, the seeds are enclosed by fruits <br> (c ) Double fertilization is an event unique to angiosperms <br> (d) In angiosperms, each cell of embryo sac is diploid <br> (e) In angiosperms, the zygote develops into an endosperm <br> Of the above statementsOnce eaten, tough, undigested seeds are dispersed through the herbivore's feces. Other fruits have burs and hooks to cling to fur and hitch rides on animals. The Life Cycle of an Angiosperm. The adult, or sporophyte, phase is the main phase of an angiosperm's life cycle (Figure 3). Like gymnosperms, angiosperms are heterosporous. Therefore

Meiosis will produce microspores in the _____.

anther

In angiosperms, each pollen grain produces two sperm. What do these sperm do?

One fertilizes an egg, and the other combines with two polar nuclei, which transform saved food cells (endosperm).

The germination of seeds _____.

is determined by imbibition

Which association under is correct?

dioecious … separate female and male crops

Which of the following is an example of sexual replica?

fusion of sperm and egg nuclei in an ovule

Which of the following is a bonus of asexual replica in plants?

enhanced survival of genetically favorable offspring

Self-incompatibility _____.

is helping handle genetic variability in a population

In grafting, the plant that gives the root device is the _____ and the twig is the _____.

stock…scion

Select the correct commentary about double fertilization in the angiosperm existence cycle.

Double fertilization produces a diploid sporophyte and a triploid endosperm.

Which of those represents the male gametophyte generation of an angiosperm?

cells inside a pollen grain

Which of those structures is/are produced through fertilization of egg and sperm?

an embryonic sporophyte

Which of these represents the female gametophyte generation of an angiosperm?

an embryo sac

Select the correct statement(s) about angiosperm seeds.

A. The embryo in an angiosperm seed is the offspring of the sporophyte plant.B. An angiosperm seed accommodates structures contributed via 3 generations of crops.C. All buildings in an angiosperm seed are diploid.

B. An angiosperm seed accommodates constructions contributed by 3 generations of vegetation

A fruit is _____.

a mature ovary

Double fertilization implies that _____.

one sperm is needed to fertilize the egg, and a second sperm is needed to fertilize the polar nuclei.

The black dots that cover strawberries are actually particular person culmination. The fleshy and tasty portion of a strawberry derives from the receptacle of a flower with many separate carpels. Therefore, a strawberry is

both an aggregrate fruit and an accessory fruit.

Many facets of the angiosperm existence cycle make flowering vegetation particularly well-suited to life on land. In truth, angiosperms are the maximum diverse and widespread of all crops.

Which six of the following statements replicate angiosperm adaptations to lifestyles on land?

-Flowers attract animal pollinators wearing pollen from different plants of the identical species -Fruits assist in the dispersal of seeds by means of wind or through animals that lift or consume the fruits. -In many angiosperms, the male gametophyte contained in a pollen grain may also be transported many miles away by way of wind or animal pollinators. -Floral portions of the sporophyte offer protection to the diminished feminine gametophyte from drying out and from UV radiation. -Seeds give protection to and nourish plant embryos, and fruits offer protection to the seeds. -Seeds allow plant embryos to be dispersed long distances from the dad or mum plant by means of wind or animals

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