Grade 7 Science Unit 2: Cells and Systems Topic 1-4 Quiz Name: _____________ Date: 19/01/2022 1. The roots of a plant perform several important functions, including all of the following EXCEPT A. transpire water from their fibres B. support and anchor the plant C. absorb water and minerals D. store food 2. There are two types of roots. _____________root is a type of root found in the desert, because plants need their roots to gather in water very quickly A. filbert B. fibrous C. tapped D. tapered 3. The stem has a number of different tissues that enable it to perform its function – to transport food and nutrients and provide support. The tissues that carry water and nutrients from the roots to the leaves is the A. xylem B. phloem C. heartwood D. cambium 4. A pigment called chlorophyll - found in the leaves (which gives them their green color) is used to combine carbon dioxide and water to make sugar. This process is called A. transpiration B. osmosis C. photosynthesis D. respiration 5. A strawberry plant sends out 'runners', which, when covered over by soil, can grow into a new strawberry plant, identical to its parent. This type of reproduction is called A. asexual B. sexual C. grafting D. selective breeding 1 Grade 7 Science Unit 2: Cells and Systems Topic 1-4 Quiz Name: _____________ Date: 19/01/2022 6. Cones come in different shapes and sizes. The type of cone which contains ovules are the A. Male cones B. Female cones C. Conifers D. Scales 7. Seeds can be dispersed in many different ways. The wind, flowing water, animals and birds are some examples of how this can occur. Dispersal means to be A. planted in a near-by field B. pollinated by another plant of the same species C. sprouted without the aid of humans D. transported away from the parent plant 8. Which of the following parts of a flower is NOT a part of the pistil A. B. C. D. Ovules Pollen Ovary Style 9. ________ are the openings on the underside of the leaf, that allow carbon dioxide to enter the leaf A. B. C. D. Guard cells Stomata Air spaces Palisade cells 10. The function of the root is to A. absorb water B. support C. produce food D. reproduce 2 Grade 7 Science Unit 2: Cells and Systems Topic 1-4 Quiz Name: _____________ Date: 19/01/2022 11. Plant tissue provides the fibre that we need to make different things we can use. This tissue comes fro the stem, leaves, seeds or roots. Early makers of jeans used the oldest cultivated fibre plant in the world. Also used to make sails and ropes this fire plant is A. cotton B. willow C. hemp D. flax 12. Which of the following is NOT a method of asexual reproduction A. Layering B. Cuttings C. Seeds D. Grafting 13. The process of pollen travelling from one plant to another is called A. Grafting B. Pollination C. Selective breeding D. Genetic engineering 14. What is the dependent variable in the plant growing experiment you are doing in class A. Amount of water B. Amount of light C. Height in cm/mm D. How much the plant has grown 15. Bonus Question (1 mark) Have you written your name on all the pages of the test? ___________________ 3 Grade 7 Science Unit 2: Cells and Systems Topic 1-4 Quiz Name: _____________ Date: 19/01/2022 4