Name: QA Review Date: Page: Science 8. Period: 6. Which process is illustrated in the diagram of a yeast cell below?

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Caitlin Waters
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1 Name: Date: Page: Science 8 Period: 1. A cell in the stem tip of a corn plant contains 20 chromosomes. After this cell divides, how many chromosomes should each resulting daughter cell contain? A) 10 B) 20 C) 30 D) In human body cells there are 46 chromosomes. How many of these chromosomes come from each parent? A) 12 B) 23 C) 46 D) The raw materials used during photosynthesis are A) H20 and C6H1206 C) H20 and CO2 B) 02 and CO2 D) C6H1206 and CO2 4. Base your answer to the following question on The diagram below can be used to illustrate a process directly involved in 6. Which process is illustrated in the diagram of a yeast cell below? A) budding B) binary fission C) vegetative propagation D) regeneration 7. Which method of reproduction is shown in the diagram below? A) mitosis B) meiosis C) recombination D) sexual reproduction 5. How many chromosomes will be found in each of the two new cells formed as a result of mitotic cell division (mitosis)? A) only one-half as many chromosomes as the parent cell B) twice as many chromosomes as the parent cell C) three times as many chromosomes as the parent cell D) the same number of chromosomes as the parent cell A) stem cutting C) tuber formation B) budding D) sporulation 8. In most animals and plants, respiration produces A) carbon dioxide and glucose B) oxygen and adenosine triphosphate C) oxygen and water D) carbon dioxide and water and ATP 9. Which phrases best identify characteristics of asexual reproduction? A) one parent, union of gametes, offspring similar to but not genetically identical to the parent B) one parent, no union of gametes, offspring genetically identical to parents C) two parents, union of gametes, offspring similar to but not genetically identical to parents D) two parents, no union of gametes, offspring genetically identical to parents

2 I,4k.. The process of mitotic cell division normally results in the production of A) four cells with half the number of chromosomes as the parent cell B) two cells with the same number of chromosomes as the parent cell C) two cells with only one chromosome from each set of homologous chromosomes D) one cell with a replicated set of homologous chromosomes. If an organism reproduces asexually, its offspring will be A) genetically different from each other B) produced from specialized cells known as gametes C) genetically identical to the parent D) produced as a result of fertilization The diagram below represents some events in the reproduction of a typical vertebrate. is. Which process occurs in sexual reproduction? A) fission B) budding C) vegetative propagation D) merging of sex cells. The diagram below represents a series of events that takes place in the life cycle of most terrestrial vertebrates. gametogenesis cleavage new organism Which event is best represented by the box labeled X? A) pollination B) germination C) external fertilization D) internal fertilization The process represented by arrow C is known as A) fertilization C) oogenesis B) spermatogenesis D) mitosis

3 1.;,,,% Most cellular respiration in plants takes place in organelles known as A) chloroplasts C) ribosomes B) nuclei D) mitochondria (0. Compared to the number of chromosomes in a human body cell, the number of chromosomes in a human sperm cell is Is A) the same B) twice as great C) half as great D) four times as great Which statement correctly describes mitotic cell division (just mitosis)? A) The chromosome number in the daughter cells is halved. B) The fusion of nuclei restores the chromosome number. C) Two cellular divisions result in the production of four cells. D) Two identical daughter nuclei are formed. Base your answer to the following question on Which activity involves the process shown in the diagram below? A) a gamete reproducing sexually B) a white blood cell engulfing bacteria C) a zygote being produced in an ovary D) an animal repairing damaged tissue like new skin cells to heal a cut

4 . The diagrams below represent reproduction in two different types of organisms, amebas and birds. Ameba Birds Explain why the bird offspring will differ from its parents more than the ameba offspring will differ from its parent (2 points).

5 a. Base your answers to questions 2Cthrough on _a the information and the diagram below and on your knowledge of science. The diagram represents reproduction and cell division in a sea urchin (animal) in stages labeled A through F. When a sea urchin reproduces, the female sex cell and the male sex cell unite to form a cell called a zygote (their nucleii fuse). The zygote divides several times in a matter of hours. Z C Reproduction of a Sea Urchin A Female sex cell B Zygote 20 Between which two consecutive stages did fertilization occur? (1 point) Male sex cell k 4.1 Yi Do sea urchins reproduce sexually or asexually? ON YOUR ANSWER SHEET, circle the correct answer AND give ONE piece of evidence to 1 cell support your answer How many cells will the developing sea urchin 2 cells have at stage F? Write the number of cells on your answer sheet. 4-4 IV Green plants use carbon dioxide and sunlight to 4 cells make glucose and oxygen in the process of 8 cells A) photosynthesis B) hydrolysis C) anaerobic respiration D) transpiration The materials produced during photosynthesis are 9---S A) H20 and C6H1206 B) 02 and CO2 C) H20 and CO2 D) C6H1206 and 02

6 32. In a green plant cell, oxygen is used for A) dehydration synthesis B) photosynthesis C) respiration D) capillary action 33. A single cell reproduces as shown in the diagram below. Which type of reproduction is shown? PARENT CELL 0 A) spore formation C) fertilization B) budding D) seed formation 26. Which plant cellular process is shown in the diagram? 34. Which type of asexual reproduction is illustrated in the diagram below? A) homeostasis C) respiration B) chloroplasts D) photosynthesis 27. Plants convert light energy into chemical energy during the process called A) reproduction C) photosynthesis B) dormancy D) pollination 28. Which substance is represented by X in the equation for respiration? glucose + water + carbon dioxide A) alcohol C) oxygen B) chlorophyll D) lactic acid A) budding B) binary fission C) sporulation D) vegetative propagation 35. The diagram below can be used to illustrate a process directly involved in 29. Which substance is needed for respiration to occur in humans? A) oxygen C) nitrogen B) carbon dioxide D) methane 30. In most animals and plants, respiration produces A) carbon dioxide and glucose B) oxygen and adenosine triphosphate C) oxygen and water D) carbon dioxide and water 31. During respiration, organisms generally use A) carbon dioxide and give off oxygen B) nitrogen and give off carbon dioxide C) carbon dioxide and give off nitrogen D) oxygen and give off carbon dioxide A) tissue repair B) meiosis C) recombination D) sexual reproduction

7 UP. Base your answer to the following question on 3(p, Which process is involved in the movement of gases illustrated in the diagram below? re% Base your answer to the following question on the 3E, diagram below and on your knowledge of biology. The diagram represents some processes occurring in the leaf of a plant. Olen Sunlight Carbon dioxide A) diffusion B) osmosis CO C) phagocytosis D) pinocytosis Base your answer to the following question on Which plant cellular process is shown in the diagram? A) homeostasis C) mitosis B) reproduction D) photosynthesis Which equation best illustrates photosynthesis within the leaf? A)B+D-4A+C B) A+C-+B+D C) B+C- A+D D) A+B+D--+B+C V. Which substance is represented by X in the,-?/ equation for aerobic respiration? glucose + X.-+ water + carbon dioxide A) alcohol C) oxygen B) chlorophyll D) lactic acid 4ẹ. What product does aerobic respiration remove from cells? A) oxygen C) carbon dioxide B) glucose D) water Which sequence of terms is in the correct order from simplest to most complex? A) cells -+ tissues > organs -4 organ systems B) tissues organisms -4 cells organ systems C) cells -4 tissues organ systems -4 organs D) organs -4 organisms -4 organ systems -4 cells

8 Science 7-8 Name Class Date a el , 23. Ce I

Mitosis and Meiosis. 2. The distribution of chromosomes in one type of cell division is shown in the diagram below.

Mitosis and Meiosis. 2. The distribution of chromosomes in one type of cell division is shown in the diagram below. Name: Date: 1. Jack bought a small turtle. Three months later, the turtle had grown to twice its original size. Which of the following statements best describes why Jack s turtle got bigger? A. Parts of