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bio final quizzes

Uploaded: 5 years ago
Contributor: bio_man
Category: Ecology
Type: Lecture Notes
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Filename:   bio final quizzes.docx (54.64 kB)
Page Count: 12
Credit Cost: 1
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Quiz #1: Ecology of populations (1) Is the following statement true or false: Humans are iteroparous. A. True B. False (2) Which of the following is not likely to influence the carrying capacity of a habitat? A. The amount of food available B. The number of competitors C. The intensity of predation on the population D. All are likely to influence carrying capacity  4) Of the curves above, 'D" best represents the survivorship of a Type III species. A. True B. False (5)        The term ‘r’ is a measure of a population’s A. Growth rate B. Mortality rate C. Survivorship rate D. None of the above (6)        A cohort is a group of organisms all of the same population and of the same age. A. True B. False (7) Age-structure diagrams with a columnar shape are the result of A.           High reproductive rates B.            Low reproductive rates C. Low juvenile survival D. None of the above (8) When a population's growth reaches its carrying capacity, it is said to be in its A. lag phase B. acceleration phase C. deceleration phase D. equilibrium phase The population curve referred to in Question 8 is most likely a(n) A. 'S' curve B. 'J' curve C. linear growth curve D. None of the above  (10) Which of the following pertains to an r-selected species? A. Late to mature B. large-sized young C. Semelparous D. extensive parental care (11) Camouflage is a strategy used in A. Competition between species B. succession C. defense D. None of the above (12) Which of the following is a characteristic of a columnar age structure diagram? A. High reproductive rate B. Low reproductive rate C. Low survival rate D. Both B and C (13) Mimicry is an example of A. camouflage B. aposematic coloration C. mutualism D. deception (14) Which of the following equations represents exponential growth? dN/dt= A. rN(K-N/K) B. C C. rN(K-N/N) D. rN Biology 1 Quizzes Quiz #2: Community ecology and energetics A stage in ecological succession is called a Step Trophic level Sere Link Succession on disturbed habitat is referred to as Primary Secondary Tertiary Quarternary Approximately ____% of the light striking the earth is captured by photosynthetic organisms. 1% 5% 10% 90% Unlike energy, nutrients are recycled in the biosphere True False The reason why the trophic pyramid is limited to 4 or 5 steps is due to the 2nd Law of Thermodynamics. True False The third step (from the bottom) of the trophic pyramid is occupied by the Primary consumers Producers The top predator Secondary consumers An organism that eats dead organic material is called a(n) primary consumer herbivore secondary consumer detritovore Which is not true about nutrient cycles? The are all solar powered The atmosphere is the primary exchange pool They maintain a state of equilibrium (unless disrupted by man) The rely on the recycling of nutrients Which of the following is correct? NPP – RS = GPP NPP – GPP = RS GPP – RS = NPP GOP + NRA= LGM Where would you go to see the ‘exchange pool’? In the Earth’s crust In the atmosphere In the ocean Both B and C Which form of interspecific interaction would be scored as -/-? Predation Parasitoidism Competition Commensalism Which form of interspecific interaction would conflict most with the interactive model of communities? Predation Neutralism Amensalism mutualism Which evolutionary event explains variation in beak size of finches on the Galapagos Islands? Niche partitioning Character displacement Competitive exclusion None of the above Which event or topic is not typically associated with a predator/prey relationship? Camouflage Aposematic coloration Mimicry They are all associated with predatory/prey relationships Biology 1/Spring 2008 Quiz #3: Chemistry (Part 1) (1) Which of the following is the simplest organic molecule? A. water B. carbon dioxide C. methane D. sugar (2) An acid is defined as a substance that, when in water A. releases H+ ions B. consumes H+ ions C. releases OH- ions D. consumes OH- ions (3) Atoms with the same #of protons but different # of neutrons are called A. molecules B. bases C. ions D. isotopes (4) With 4 electrons in its outer shell, silicon should bind with ___ hydrogens A. 1 B. 2 C. 4 D. 8 (5) The body uses buffers to A. take away pain B. hold pH constant C. facilitate chemical reactions D. pick up oxygen (6) Which of the following molecules involves a triple covalent bond? A. H20 B. O2 C. CO2 D. N2 (7) Covalent bonds involve the sharing of protons. A. True B. False (8) Positively charged atoms are A. cations B. anions C. isotopes D. A and C (9) All organic molecules must include at least carbon and hydrogen A. True B. False (10) Polar molecules involve atoms with greatly different A. numbers of electrons B. electronegativities C. protons D. numbers of hydrogens (11) Condensation synthesis reactions A.Consume water Produce water Break down organic molecules None of the above Which kind of chemical bond produces cations and anions? Covalent bonds Ionic bonds Hydrogen bonds They can all produce ions Biology 1 Quizzes Quiz4 : Organic molecules (1) Isomers A. Are radioactive B. Possess the same chemical formula C. Have similar configurations D. Both B and C _______ bonds hold amino acids together to form proteins Peptide Ionic Hydrogen Ester Which of the following is a lipid? Fibrogen Esterdiol Maltase Galactose Which of the following is NOT a function of lipid? Basis for sex hormones Comprises the cell wall Insulator Long-term energy storage Which level of protein structure is the result of hydrogen bonds? Primary Secondary Tertiary Quaternary Which is true about carbohydrates as they become larger? More energy, more digestible More energy, less digestible Less energy, less digestible Less energy, more digestible Ester bonds involve Amino groups Methyl groups Carboxyl groups Phosphate groups What part of a nucleotide varies from one type to the next? The phosphate group The pentose sugar The nitrogen base All three vary As a molecule, ATP is most closely related to protein carbohydrate Nucleic acid lipid To transform a vegetable oil into a solid at room temperature you need to add oxygen hydrogen carbon All of the above (11) _______ bonds hold fatty acids to glycerol Peptide Ionic Hydrogen Ester (12) Which of the following is a carbohydrate? Fibrogen Acetyl-CoA Maltase Galactose (13) Which level of protein structure is the result of disulfide bonds? Primary Secondary Tertiary Quaternary (14) The cell membrane is comprised primarily of? protein carbohydrate enzyme lipid Biology 1 Quizzes Quiz #5: Enzymes and Cell structures (1) Which of the following does not attach to an enzymes active site? A. Reactants B. Competitive inhibitors C. Noncompetitive inhibitors D. Substrate Enzymes are a kind of lipid protein carbohydrate DNA The membranes of all types of cells is comprised of phospholipid. True False Which of the following is true only for prokaryotic cells? They lack DNA They lack cell membranes They possess rotating flagella They have a peptidoglycan cell wall The key distinction of eukaryotic cells is that They are smaller than other types of cells They are compartmentalized They possess DNA They possess ribosomes Ribosomes Package cell products Produce lipids Form cell membranes Synthesis proteins Which of the following organelles synthesis lipids? Smooth ER Rough ER Golgi apparatus mitochondria Which of the following is found in plant cells but not animal cells? DNA mitochondria Central vacuole Both B and C Enzymes act to reduce the energy of activation for a chemical reaction True False Which of the following is an enzyme? Galactose Glycerin Cholesterol Maltase Lysosomes contain Carbohydrates Nucleic acids Enzymes ATP Ribosomes are produced in The rough ER The Golgi apparatus The Chromatin The Nucleolus Biology 1 Quizzes Quiz #5: Cellular Membranes, Cell Membranes and Photosynthesis (1) Which of the following is the principle function of the Krebs Cycle? Produce electron transport molecules Produce ATP Generate carbon dioxide Produce sugar Which mechanism utilizes carrier proteins? Active transport Facilitated diffusion Simple diffusion None of the above Cholesterol embedded in the cell membrane Helps in cell recognition Facilitates molecules passing through the membrane Strengthens the membrane Prevents water loss A cell containing 5% salt, dropped into a beaker containing 15% salt is in a _________ solution. Isotonic Hypertonic Hypotonic Ginantonic Which of the following is involved with the MHC? Cholesterol Channel Proteins Glycoproteins Carrier proteins Endocytosis is a mechanism used to bring large quantities of materials out of the cell. True False The Law of Diffusion is derived from the 2nd Law of Thermodynamics. True False ___________ junctions facilitate the movement of larger molecules between cells via channel proteins. Gap Adhesive Tight Both A and B The cell membrane is comprised primarily of protein carbohydrate enzyme lipid Which of the following specifically involves water? Diffusion Facilitated diffusion Active transport Osmosis (11) Which of the following is a 2-carbon molecule? Glucose ATP Acetyl-CoA Pyruvate 12. In humans and other animals, anaerobic respiration is called Lactate fermentation Alcohol fermentation Glycolysis Humans are never anaerobic (13) Which of the following is a product of the light dependent reaction of photosynthesis? Sugar Oxygen Water Carbon dioxide (14) Which of the following is an example of an electron transport molecule? ATP Acetyl-CoA CO2 FADH2 (15) Which type of light is least utilized by the photosynthetic process? Blue Red Black Green Quiz (Cell division) Which of the following is the correct sequence of the cell cycle. M, G1, G2, S M, G1, S, G2 G1, M, G2, S G1, G2, S, M While in interphase, DNA is in the form called Centromere Chromosome Tetrad chromatin 3. Which stage of mitosis results in the chromosomes lining up in the center of the cell? prophase telophase anaphase metaphase Nuclear membranes reform during prophase telophase anaphase metaphase 5. Which of the following is not unique to meiosis? Tetrads Chromosomal reduction Formation of spindle fibers Crossing over 6. Which of the following occurs in Meiosis II? Tetrads form Chromatids separate Independent assortment Chromosomal reduction results 7. The meiotic event which results in independent assortment is Prophase I Anaphase II Metaphase II Anaphase I 8. Which event happens in meiosis II? Tetrad formation Crossing over Chromosomal reduction None of the above 9. Unlike spermatogenesis, in oogenesis, cytokinesis occurs but not karyokinesis. True False 10. Which of the following statements in not true? Mitosis is a form of cellular cloning Meiosis is restricted to sex cell production Cytokinesis must follow karyokinesis in spermatogenesis Meiosis produces Diploid cells (Development, tissues and Protein Synthesis) How many nucleotides long is a codon? 20 2 3 4 Which of the following events occurs outside the nucleus? RNA polymerase replication Intron removal Transfer RNA function Maturing of the mRNA Which of the following is the correct mRNA sequence for the following DNA sequence?: A T T C G C G A T A T T C G C G A T T A A G C G C T A A U U C G C G A U U A A G C G C U A How many total amino acids can the nucleotide sequence in Question 3 code for? 3 4 9 20 5. Which primary germ layer forms last? Mesoderm Ectoderm Endoderm They all form at the same time (you’re not going to trick me!) Which primary germ layer develops into the brain? Mesoderm Ectoderm Endoderm Brainoderm 7. The center of the blastula is called the blastopore blastocore blastocoel Archenteron 8. The zygote is an unfertilized egg cell True False 9. Which of the following occurs immediately after the formation of the blastula? Gastrulation Primary cleavage The morula The cortical reaction 10. Which of the following statements is not true? The acrosomal reaction follows the cortical reaction Gastrulation results in the formation of germ layers Early development is limited to mitosis as form of cell division The blastopore is the opening of the archenteron 11. Which tissue type is contractile? Epithelial Muscle Connective Nervous 12. Which tissue type involves the process of ossification? Epithelial Muscle Connective Nervous Quiz #9 (Genetics and Evolution) 1. Speciation that occurs in starts and stops over time is referred to as Gradualism Punctuated equilibrium Inheritance of acquired characteristics Spontaneous creation What would cause a population to be out of in Hardy-Weinberg equilibrium? No genetic drift is occurring No mutations occurring Natural selection is occurring Random mating 3. If both parents possess brown eyes and they are both heterozygotes, what's the chance of their having a brown-eyed child? 25% 50% 75% 100% 4. A mutation involving the flipping of a portion of the DNA is called a transposition deletion inversion confusion 5. If the allele frequencies of a population are p = 0.1 and q = 0.9, what is the predicted frequency of the heterozygotes? 0.09 0.81 0.18 0.82 6. Characteristics that demonstrate incomplete dominance possess a phenotype like that of the homozygote dominant. True False 7. Which of the following is an example of post-zygotic reproductive isolation? Hybrid sterility Temporal barrier Mechanical barrier Ecological barrier 8. Which form of speciation is based on geographic isolation? allopatric sympatric parapatric Saint patrick 9. The measure of an organism’s relative fitness is a measure of its Survivability Strength Reproductive output Competitive ability 10. Darwin gained insight on the view that there is an avoidable struggle for existence from Malthus Hutton Empedocles Lyell

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