Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Science 9 Test Reproduction Unit _____ Name: ______________ Date: _______________ Part A: Multiple Choice – Write the letter of the correct answer on the blank to the left of the question number. (Value:) __ 1. How are animal cells different from plant cells? ___ 2. Which is the correct sequence of events for the following figure? ____ 3. Name the stages of the cell division and describe what is basically going on in each. (About 5 MC questions on it) a) b) c) d) __________-_______________________________________ __________- ______________________________________ __________- ______________________________________ __________-_______________________________________ ____ 4. As a result of asexual reproduction, the daughter cells are ________________. ____ 5. What are the form of asexual reproduction we talked about in class ? a) b) c) d) e) ___________-__________________________________ ___________-__________________________________ ___________-__________________________________ ___________-__________________________________ ___________-__________________________________ ___ 6. What is Cytokinesis? ___ 7. How many chromosomes are in a human cell? ___ 8. What part of the cell contains the genetic information? ___ 9. A mutation is ___ 10. A carcinogen is ______________________that may be cause by _______________________________________________________________ ___ 11. What are four nitrogen bases in DNA? ___ 12. In every human body cell, there are ____ homologous pairs of chromosomes. ___13. Compare asexual and sexual reproduction. What are the main advantage of each? ___14. Which of the following shows the correct chromosome combination for A) a female human?_______ B) A male human? ________ Part B: True or False. (Value: 10) Fill in T or F on the space that is provided: Part C: Matching – Write the letter of the correct answer on the blank to the left of the corresponding statement. (Value ) ___ 1) Type of Asexual reproduction ___ 2) Cells communicate with each other by these chemical messengers. ___ 3) Sperm or egg is not needed for reproduction. (Offspring is identical to parent.) ___ 4) Hair like structures that move that cell or the cells surroundings ___ 5) A harmful tumor ___6) Natural occurring clones ___ 7) The phase in the cell cycle where the chromatids move AWAY from each other, to opposite poles ___ 8) Whip like tail that helps the cell move Matching – Write the letter of the correct answer on the blank to the left of the corresponding statement. (Value:) 1. Control centre of the cell ________ 2. Allows material to enter and leave the cell ________ 3. Stores proteins ________ 4. Only in plant cells; protects the cell ________ 5. Provides the cell with energy ________ 6. Only in animal cells; important in cell division ________ 7. a series of canals, that carry material throughout the cell ________ 8. Used in photosynthesis ________ 9. Where the proteins are made ________ 10. Contains enzymes that breaks down materials ________ 11. The fluid like material that surrounds the organelles ________ 12. Fluid filled space with water, minerals, and proteins ________ Part D: Short Answer. Answer all of the questions in the space provided {Value 17} 1. Explain one advantage and one disadvantage of asexual reproduction. (2) 2. Why was Allan Legere’s second trial significant? (2) 3. Name three significant facts you know about Dolly the sheep. (3) 4. A) Explain the statement “all twins are clones, but not all clones are twins.” a) List two pros and two cons to cloning ? 5. Fill in the missing base pairs to the following DNA segment. A– G– C– T (4) (4) (2)