WJEC GCE AS Biology 2.4 Reproductive Strategies Question bank Name………………………………........ Question Mark Achieved WWW/ EBI BY2 Jan 2012 13 2 7 3 5 4 4 BY2 June 2010 10 Total 39 Action plan before the end of unit test: BY2 Jan 2012 13 marks 2. The following diagram shows the life cycle of a moss plant. (b) (i) Where in the life cycle of a moss does meiosis take place? ................................................................................................................ ................................................................................................. (1 mark) (ii) Explain the importance of meiosis in this life cycle. ................................................................................................................ ................................................................................................................ ................................................................................................................ ................................................................................................................ ................................................................................................................ ................................................................................................ (3 marks) (c) In what ways is the moss life cycle similar to, and different from the life cycle of a flowering plant? ............................................................................................................................ ............................................................................................................................ ............................................................................................................................ ............................................................................................................................ ........................................................................................................... (3 marks) Total 7 marks 3. Buds on a parent plant produce side-shoots called stolons. When a stolon touches the soil it produces a daughter plant. Blackberry plants also produce flowers and seeds. (a) Commercial blackberry growers use plants produced from stolons rather than plants produced from seeds. Explain why. ............................................................................................................................ ............................................................................................................................ ............................................................................................................................ ............................................................................................................................ ............................................................................................................................ ........................................................................................................... (3 marks) (b) A viral infection may destroy a whole plantation of blackberries plants grown from stolons in this way. Explain why. ............................................................................................................................ ............................................................................................................................ ............................................................................................................................ ........................................................................................................... (2 marks) Total 5 marks 4. The diagram below shows one method of reproducing plants. (a) Name the method of reproduction shown in the diagram. ............................................................................................................. (1 mark) (c) This method is used to conserve rare plants. (i) Give two advantages of using this technique to conserve rare plants. ................................................................................................................ ................................................................................................................ ................................................................................................................ ................................................................................................ (2 marks) (ii) Give one disadvantage of using this technique to conserve rare plants. ................................................................................................................ ................................................................................................. (1 mark) Total 4 marks BY2 June 2010