CHM 4220 Exam 2 Study Guide Questions & Answers, 2023/2024

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CHM 4220 Exam 2 Study Guide Questions & Answers, 2023/2024-1) During the life cycle of plasmodium, it’s gametes: a. Are produced inside the mosquito body b. Are produced both inside the mosquito b... ody and inside the human red cells c. Are produced inside the human red cells d. Are produced inside the liver cells 2) Which of the following is correct on Giardia? a. It does not have gametes that are easily identifies under microscopes b. It produces proteins that surround each individual forming cysts c. It has relictual mitochondria d. It has genes for meiosis e. All other option are correct 3) Which of the following organisms do not have a cell wall? a. Giardia b. Trypanosoma c. Amoeba d. They all have cell walls e. None of them have cell walls 4) Green algae are: a. Monophyletic b. Paraphyletic c. Polyphyletic d. We are not certain as their phylogenetic studies have low resolution 5) Once plants colonized land, they needed to adapt to UV radiation. It is believed that to adapt to their haplodiplontic life cycle, they: a. Had to shift to be predominantly diploid b. Had to shift to be predominantly haploid c. Did not need to make any change in their life cycle as the ozone layer protects life from ultraviolet radiations d. Develop vascular tissue e. Developed a cuticle 6) In liverwort the sporophyte: a. long lived and large independent individual called seta with many cells, including rhizoids b. short lived and small tissue called seta with relatively few cells that undergo meiosis shortly after fertilization. It is surrounded by haploid tissue of the gametophyte. c. Is an embryo called seta with a single cell that undergoes meiosis right after fertilization. It is surrounded by haploid tissue of the gametophyte d. None of the above is correct as the environment determines the life form of liverwort sporophytes and whether seta developed or not 7) Which of the following plant phyla consists of plants that lack a vascular system? a. Lycophytes b. Ferns c. Bryophyta d. Angiosperms 8) All bryophytes: a. Have euphylls b. Have vascular tissue c. Have stomata d. Do not have roots 9) Ferns: a. Are haplontic b. Have leaves and roots c. Do not have vascular tissues d. Do not have stomata 10) Carpels are modified: a. Leaves b. Petals c. Sepals d. Gametophytes 11) Which of the following are correct on embryo sacs? a. Gymnosperms b. Hundreds of haploid cells c. Tube cells d. Two gametes e. None of the options are correct 12) Cell roots: a. Use energy to activate enzymes that move water inside the root b. Use energy to activate enzymes that move ions inside the root c. Need to have ions inside the cytoplasm to move water inside the root d. A, B, and C are correct e. B and C are correct [Show More]

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