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BD 1.8.1
Quiz by Heather Weston
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BD 1 CH 8 Vocab 1Generate all of these 25 questions Part A: Each correct answer is worth 5. 1. The regular pentagon shown has a side length of 2 cm. The perimeter of the pentagon is (A) 2 cm (B) 4 cm (C) 6 cm (D) 8 cm (E) 10 cm 2 cm 2. The faces of a cube are labelled with 1, 2, 3, 4, 5, and 6 dots. Three of the faces are shown. What is the total number of dots on the other three faces? (A) 6 (B) 8 (C) 10 (D) 12 (E) 15 3. The equation that best represents \a number increased by _ve equals 15" is (A) n 5 = 15 (B) n _ 5 = 15 (C) n + 5 = 15 (D) n + 15 = 5 (E) n _ 5 = 15 4. The line graph shows the number of bobbleheads sold at a store each year. The sale of bobbleheads increased the most between (A) 2016 and 2017 (B) 2017 and 2018 (C) 2018 and 2019 (D) 2019 and 2020 (E) 2020 and 2021 Number of 2016 2017 2018 2019 2020 Year Sale of Bobbleheads 2021 Bobbleheads 20 40 60 80 5. Starting at 72, Aryana counts down by 11s: 72; 61; 50; : : : . What is the last number greater than 0 that Aryana will count? (A) 4 (B) 5 (C) 6 (D) 7 (E) 8 6. In the diagram, \ABC = 90_. The value of x is (A) 68 (B) 23 (C) 56 (D) 28 (E) 26 Day of the Week 44° x° A B C x° 7. Which of the following values is closest to zero? (A) 1 (B) 5 4 (C) 12 (D) 4 5 (E) 0:9 Grade 8 8. A jar contains 267 quarters. One quarter is worth $0.25. How many quarters must be added to the jar so that the total value of the quarters is $100.00? (A) 33 (B) 53 (C) 103 (D) 133 (E) 153 9. A package of 8 greeting cards comes with 10 envelopes. Kirra has 7 cards but no envelopes. What is the smallest number of packages that Kirra needs to buy to have more envelopes than cards? (A) 3 (B) 4 (C) 5 (D) 6 (E) 7 10. For the points in the diagram, which statement is true? (A) e > c (B) b < d (C) f > b (D) a < e (E) a > c y x (e, f ) (a, b) (c, d ) Part B: Each correct answer is worth 6. 11. The 26 letters of the English alphabet are listed in an in_nite, repeating loop: ABCDEFGHIJKLMNOPQRSTUVWXY ZABC : : : What is the 258th letter in this sequence? (A) V (B) W (C) X (D) Y (E) Z 12. A public holiday is always celebrated on the third Wednesday of a certain month. In that month, the holiday cannot occur on which of the following days? (A) 16th (B) 22nd (C) 18th (D) 19th (E) 21st 13. A circular spinner is divided into three sections. An arrow is attached to the centre of the spinner. The arrow is spun once. The probability that the arrow stops on the largest section is 50%. The probability it stops on the next largest section is 1 in 3. The probability it stops on the smallest section is (A) 1 4 (B) 2 5 (C) 1 6 (D) 2 7 (E) 3 10 14. A positive number is divisible by both 3 and 4. The tens digit is greater than the ones digit. How many positive two-digit numbers have this property? (A) 4 (B) 5 (C) 6 (D) 7 (E) 8 15. A rectangular pool measures 20 m by 8 m. There is a 1 m wide walkway around the outside of the pool, as shown by the shaded region. The area of the walkway is (A) 56 m2 (B) 60 m2 (C) 29 m2 (D) 52 m2 (E) 50 m2 20 m 8 m 1 m Grade 8 16. The results of asking 50 students if they participate in music or sports are shown in the Venn diagram. What percentage of the 50 students do not participate in music and do not participate in sports? (A) 0% (B) 80% (C) 20% (D) 70% (E) 40% Music Sports 15 5 20 17. There are 2 3 as many golf balls in Bin F as in Bin G. If there are a total of 150 golf balls, how many fewer golf balls are in Bin F than in Bin G? (A) 15 (B) 30 (C) 50 (D) 60 (E) 90 18. In the sequence shown, Figure 1 is formed using 7 squares. Each _gure after Figure 1 has 5 more squares than the previous _gure. What _gure has 2022 squares? (A) Figure 400 (B) Figure 402 (C) Figure 404 (D) Figure 406 (E) Figure 408 Figure 1 Figure 2 Figure 3 19. Mateo's 300 km trip from Edmonton to Calgary passed through Red Deer. Mateo started in Edmonton at 7 a.m. and drove until stopping for a 40 minute break in Red Deer. Mateo arrived in Calgary at 11 a.m. Not including the break, what was his average speed for the trip? (A) 83 km/h (B) 94 km/h (C) 90 km/h (D) 95 km/h (E) 64 km/h 20. Equilateral triangle ABC has sides of length 4. The midpoint of BC is D, and the midpoint of AD is E. The value of EC2 is (A) 7 (B) 6 (C) 6:25 (D) 8 (E) 10 Part C: Each correct answer is worth 8. 21. The positive factors of 6 are 1, 2, 3, and 6. There are two perfect squares less than 100 that have exactly _ve positive factors. What is the sum of these two perfect squares? (A) 177 (B) 80 (C) 145 (D) 52 (E) 97 22. In the list p; q; r; s; t; u; v, each letter represents a positive integer. The sum of the values of each group of three consecutive letters in the list is 35. If q + u = 15, then p + q + r + s + t + u + v is (A) 85 (B) 70 (C) 80 (D) 90 (E) 75 Grade 8 23. The net shown is folded to form a cube. An ant walks from face to face on the cube, visiting each face exactly once. For example, ABCFED and ABCEFD are two possible orders of faces the ant visits. If the ant starts at A, how many possible orders are there? (A) 24 (B) 48 (C) 32 (D) 30 (E) 40 A D B C E F 24. The number 385 is an example of a three-digit number for which one of the digits is the sum of the other two digits. How many numbers between 100 and 999 have this property? (A) 144 (B) 126 (C) 108 (D) 234 (E) 64 25. Student A, Student B, and Student C have been hired to help scientists develop a new avour of juice. There are 4200 samples to test. Each sample either contains blueberry or does not. Each student is asked to taste each sample and report whether or not they think it contains blueberry. Student A reports correctly on exactly 90% of the samples containing blueberry and reports correctly on exactly 88% of the samples that do not contain blueberry. The results for all three students are shown below. Student A Student B Student C Percentage correct on samples 90% 98% (2m)% containing blueberry Percentage correct on samples 88% 86% (4m)% not containing blueberry Student B reports 315 more samples as containing blueberry than Student A. For some positive integers m, the total number of samples that the three students report as containing blueberry is equal to a multiple of 5 between 8000 and 9000. The sum of all such values of m is (A) 45 (B) 36 (C) 24 (D) 27 (E) 29Âu 1: Virus là gì? A. Sinh vật đơn bào B. Tế bào nhân chuẩn C. Sinh vật không có cấu tạo tế bào D. Sinh vật có cấu tạo tế bào Câu 2: Virus nhân lên bằng cách nào? A. Phân bào B. Tự sao chép ADN C. Ký sinh nội bào bắt buộc D. Sinh sản vô tính Câu 3: Vật liệu di truyền của virus có thể là gì? A. ADN hoặc ARN B. ADN kép C. ARN kép D. Cả A và B đều đúng Câu 4: Vỏ ngoài của virus được gọi là gì? A. Capsid B. Protein C. Enzyme D. Lipid Câu 5: Virus nào sau đây gây bệnh ở người? A. Virus HIV B. Virus cúm C. Virus Ebola D. Tất cả đều đúng Câu 6: Virus cần điều kiện gì để có thể phát triển và nhân lên? A. Môi trường giàu dinh dưỡng B. Nhiệt độ thấp C. Tế bào chủ D. Môi trường nước Câu 7: Virus HIV tấn công vào tế bào nào của cơ thể người? A. Tế bào máu đỏ B. Tế bào bạch cầu T C. Tế bào da D. Tế bào thần kinh Câu 8: Virus gây ra những bệnh nào dưới đây? A. Sốt xuất huyết B. Lao C. Viêm gan B D. Cả A và C đều đúng Câu 9: Vòng đời của virus bắt đầu bằng giai đoạn nào? A. Nhân đôi vật liệu di truyền B. Gắn kết vào tế bào chủ C. Tổng hợp protein D. Giải phóng virus con Câu 10: Cơ chế phòng chống virus hiệu quả nhất là gì? A. Tiêm vắc xin B. Uống kháng sinh C. Duy trì chế độ ăn uống lành mạnh D. Giảm tiếp xúc với ánh sáng mặt trời Nếu bạn cần giải thích thêm về bất kỳ câu hỏi nào, hãy cho tôi biết nhé! ChatGPT có thể mắc lỗi. Hãy kiểm tra các th1. ¿Qué es la interculturalidad crítica? a) Un enfoque que busca la coexistencia pacífica de diferentes culturas sin cuestionar las relaciones de poder existentes. b) Un proceso de diálogo y aprendizaje mutuo entre diferentes culturas que reconoce las desigualdades y busca la transformación social. c) Una teoría que explica cómo las culturas se interconectan y se influyen mutuamente. d) Una práctica que promueve la tolerancia y el respeto por la diversidad cultural. 2. ¿Cuáles son los principales desafíos de la atención a la diversidad en el contexto educativo? a) La falta de recursos económicos. b) La resistencia al cambio por parte de algunos sectores de la sociedad. c) La falta de formación del profesorado en temas de interculturalidad. d) Todas las anteriores. 3. ¿Qué estrategias se pueden utilizar para promover la interculturalidad crítica en el aula? a) Implementar un currículo multicultural que incluya contenidos de diferentes culturas. b) Fomentar el diálogo y el debate sobre temas relacionados con la diversidad. c) Crear un ambiente de aprendizaje inclusivo y respetuoso con las diferentes culturas. d) Todas las anteriores. 4. ¿Qué es la discriminación? a) Tratar a todas las personas por igual, sin importar su origen cultural. b) Otorgar un trato preferencial a un grupo cultural en particular. c) Juzgar o actuar negativamente hacia una persona o grupo por su origen cultural, religión, género, etc. d) Ninguna de las anteriores. 5. ¿Qué es la perspectiva decolonial en la educación? a) Un enfoque educativo que busca descolonizar los conocimientos y las prácticas educativas. b) Una teoría que explica cómo el colonialismo ha impactado en la educación. c) Un movimiento social que lucha por la justicia social y la igualdad. d) Todas las anteriores. 6. ¿Cuál es la importancia de la interculturalidad crítica en la sociedad actual? a) Permite comprender mejor las relaciones entre diferentes culturas. b) Promueve la construcción de una sociedad más justa e igualitaria. c) Favorece la resolución de conflictos interculturales. d) Todas las anteriores. 7. ¿Qué es el etnocentrismo? a) La creencia de que la propia cultura es superior a las demás. b) La tendencia a juzgar otras culturas desde la perspectiva de la propia cultura. c) La discriminación hacia personas de otras culturas. d) Todas las anteriores. 8. ¿Qué es la diversidad cultural? a) La existencia de diferentes culturas en un mismo espacio. b) La riqueza y variedad de expresiones culturales que existen en el mundo. c) El respeto y la valoración de las diferentes culturas. d) Todas las anteriores. 9. ¿Qué es la interculturalidad? a) La relación e interacción entre diferentes culturas. b) El proceso de intercambio y aprendizaje mutuo entre diferentes culturas. c) La construcción de una sociedad interculturalmente justa e igualitaria. d) Todas las anteriores. 10. ¿Qué es la inclusión? a) La acción de incluir a todas las personas en la sociedad, sin importar sus diferencias. b) La creación de un espacio donde todas las personas se sientan bienvenidas y valoradas. c) La lucha por la igualdad de oportunidades para todas las personas. d) Todas las anteriores. Respuestas: b d d c d d b d d d Escala de calificación: 10-8 respuestas correctas: Excelente dominio del tema. 7-6 respuestas correctas: Buen dominio del tema. 5-4 respuestas correctas: Dominio regular del tema. 3-2 respuestas correctas: Necesita mejorar su conocimiento del tema. 1-0 respuestas correctas: Requiere un mayor estudio del tema.BD1 Chapitre 8.1BD 1 CH 3 & 4 reviewBD 1 CH 5 reviewBD 4-1 Au lycee scrambled