BIOL112 Exam 3 PDF

Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) _________ are the closest living relatives of animals. A) Fungi B) Plants C) Algae D) Protists 2) Epithelial tissue composed of multiple layers of ce...

Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) _________ are the closest living relatives of animals. A) Fungi B) Plants C) Algae D) Protists 2) Epithelial tissue composed of multiple layers of cells is called ________ epithelia. A) intercalated B) simple C) stratified D) striated 3) Which of the following statements about Hox genes is FALSE? A) Hox genes are highly conserved genes B) Hox genes encode transcription factors C) Hox genes determine the course of embryonic development D) Hox genes are present only in fruit flies 4) With respect to angiosperms, which of the following is incorrectly paired with its chromosome count? A) megaspore—2n B) microspore—n C) egg—n D) zygote—2n 5) The most direct ancestors of land plants were probably ________. A) green algae B) kelp (brown alga) that formed large beds near the shorelines C) liverworts and mosses D) photosynthesizing prokaryotes (cyanobacteria) 6) Which of the following is not a characteristic that distinguishes gymnosperms and angiosperms from other plants? A) dependent gametophytes B) alternation of generations C) pollen D) ovules 7) All of the following are ectotherms EXCEPT ________. A) Most fishes B) Birds C) Amphibians D) Lizards 8) Which of the following lines of evidence would best support your assertion that a particular plant is specifically an angiosperm? A) It produces seeds with fruits B) It retains its fertilized egg within its archegonium C) It has a sporophyte generation as its main generation D) It undergoes alternation of generations 9) Which of the following things would be true of a dicot? A) They have flower petals in groups of 4 or 5 B) They have one cotyledon C) The have parallel veins in their leaves D) They have scattered vascular tissue in their stems 10) In ALL plant life cycles, the sporophytes A) are diploid plants that produce haploid spores. B) grow within seeds. C) are haploid plants. D) are larger plants than the gametophytes. 11) A sea anemone has ________. A) radial symmetry B) bilateral symmetry C) cephalization D) right and left sides 12) The primary role of most fungi in ecosystems is the role of: A) nitrogen fixer B) pathogen C) carbon fixer D) decomposers 13) Which of the following statements is true for deuterostome development? A) cleavage is spiral and determinate B) cleavage is radial and indeterminate C) mouth forms from the blastopore D) the coelom forms from splits in the mesoderm 14) Cells known as fibroblasts are a part of which type of animal tissue? A) Connective tissue B) Epithelial tissue C) Muscle tissue D) Nervous tissue 15) Which of the following is a major trend in land plant evolution? A) the trend toward larger gametophytes B) the trend toward smaller size C) the trend toward a gametophyte-dominated life cycle D) the trend toward a sporophyte-dominated life cycle 16) What can partner with a fungus to make a lichen? A) algae B) a plant root C) a moss D) a leaf 17) In addition to seeds, which of the following characteristics is unique to the seed-producing plants? A) vascular tissue B) sporopollenin C) megaphylls D) pollen 18) The herbal medicine, ephedrine, is extracted from gymnosperms belonging to the phylum __________. A) Gnetophyta B) Coniferophyta C) Cycadophyta D) Ginkgophyta 19) Where would an apical meristem be located in a plant? A) bark B) leaves C) shoot tip D) flower 20) According to the fossil record, plants with _______ evolved before plants with _______. A) seeds; spores B) vascular tissue; seeds C) roots; spores D) flowers; pollen 21) In a neuron, a projection from the cell body that is specialized in transmitting impulses is known as _______. A) Axon B) Dendrites C) Oligodendrocyte D) Astrocyte 22) Which of the following is the advantage of an animal having a coelom? A) That animal can now have tissues B) That animal’s internal organs are protected for damage C) That animal can self-fertilize D) That animal can now digest food continuously 23) Which of the following sex and generation combinations directly produces the fruit of angiosperms? A) male sporophyte B) male gametophyte C) female sporophyte D) female gametophyte 24) Which of the following is an example of a behavioral response that help animals thermoregulate? A) Vasodilation, which occurs as a result of an increase in body temperature in animals. B) Some animals have thick fur. C) Presence of feathers in some animals. D) Honeybees huddle together during cold weather to retain heat. 25) What is endosperm? A) A male gamete that enters the ovule B) A structure that produces pollen C) A seed that is protected within an ovary D) Nutritional polyploid food for growing embryos 26) Which plant adaptation is absent in BOTH ferns and mosses? A) Spores B) Pollen C) A gametophyte stage D) Vascular tissue 27) Ringworm is caused by which of the following types of organisms? A) bacteria B) a fungus C) virus D) nematodes 28) Which of the following structures places Chytrids into the Basal group of fungi? A) flagellated gametes B) gills C) A gametophyte generation D) An ascus 29) When did dinosaurs become extinct? A) At the end of the Cambrian period B) At the end of the Permian periods C) At the end of the Triassic period D) At the end of the Cretaceous period 30) _________ is also known as peat moss and is often a major component of deposits of partially decayed organic material known as peat. A) Sphagnum B) Equisetum C) Ginkgo D) Welwitschia 31) Which fungi produces aflatoxins on agricultural crops such as corn and peanuts? A) Aspergillus B) Amanita C) Penicillium D) Neurospora 32) Which among the following is NOT a basal angiosperm? A) Magnoliids B) Amborella C) Eudicots D) Water lilies 33) An animal that is diploblastic could not possibly have ________. A) sexual reproduction B) a blastula stage in its development. C) endoderm D) a true coelom 34) Which of the following statements is FALSE about plants? A) All plants exhibit an alteration of generations, but groups vary in which generation is dominate B) The sporophyte generation is diploid and will use meiosis to make haploid spores C) The germination of the zygote, that happens after the egg and sperm meet, will begin the sporophyte generation D) The gametophyte generation is 1N and develops egg and sperm by going through meiosis 35) Which of the following is NOT a component of the gymnosperm seed? A) food supply B) embryo C) seed coat D) megaspore 36) Which of the following characteristics DOES NOT occur in monocots? A) scattered vascular tissue in the stem B) one cotyledon C) pollen grain with one opening D) presence of taproot (main root) 37) Which of the following statements about stomata is accurate? A) Stomata are important in terrestrial plants because they allow CO2 to diffuse into the plant. B) Stomata are not important in algae because they do not need CO2 C) Stomata are important in terrestrial plants because they allow the roots to absorb water and nutrients from the soil. D) Stomata, when closed, allow CO2 to diffuse into plants 38) In the double fertilization event that occurs in an angiosperm's life cycle, one of the sperm nuclei fuses with the egg to form the _________. A) synergids B) zygote C) embryo D) endosperm 39) ______ are the sister group to all other animals. A) chordates B) sponges C) annelids D) mollusks 40) The structural integrity of plant spores is due to the presence of ________. A) lignin B) cellulose C) chitin D) sporopollenin Answer_key_exam_3_practice_test 1) D 2) C 3) D 4) A 5) A 6) B 7) B 8) A 9) A 10) A 11) A 12) D 13) B 14) A 15) D 16) A 17) D 18) A 19) C 20) B 21) A 22) B 23) C 24) D 25) D 26) B 27) B 28) A 29) D 30) A 31) A 32) C 33) D 34) D 35) D 36) D 37) A 38) B 39) B 40) D