1) Which type of mirror is commonly used in rear-view car mirrors? a) A) Convex mirror b) B) Concave mirror c) C) Plane mirror d) D) Spherical mirror 2) When an object is placed between the focal point (F) and the mirror surface of a concave mirror, the image formed is: a) A) Real and inverted b) B) Real and upright c) C) Virtual and inverted d) D) Virtual and upright 3) What is the largest planet in our solar system? a) A) Mercury b) B) Venus c) C) Mars d) D) Jupiter 4) In meiosis, what is the importance of crossing over? a) A) It ensures the separation of homologous chromosomes b) B) It increases the number of chromosomes in daughter cells c) C) It creates genetic diversity among offspring d) D) It prevents the formation of gametes 5) During which phase of mitosis do chromosomes align along the equator of the cell, forming the metaphase plate? a) A) Prophase b) B) Metaphase c) C) Anaphase d) D) Telophase 6) The distance covered through unit time is called  a) acceleration b) displacement c) Length d) Speed 7) Number of chromosomes in an ovary cell is..................number of chromosomes in ovum cell. a) Equal to b) double c) quarter d) Half 8) If a light falls perpendicular on a flat reflecting surface, the angle of reflection equals ..... a) 180o b) 90o c) Zeroo d) 33o e) 45o 9) A concave mirror of focal length 20 cm. An object is placed at 50 cm in front of this mirror forming an image at a distance ........from the mirror. a) more than 400 mm b) equal to 20 cm c) more than 200 mm and less than 400 mm  d) less than 20 cm

Quiz Science (prep 3)

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