Unit 8 Photosynthesis, Plants and Tropisms
Quiz by Dana Sparks
High School - Biology
Science (2010) (Archived)
Texas Essential Knowledge and Skills (TEKS)
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20 questions
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- Q1Cytokinins are a class of plant hormones that help regulate growth by promoting cell division. Cytokinins are produced mainly in meristematic tissue, where most plant growth occurs. Which system carries cytokinins produced in the roots to the rest of the plant?Reproductive system (stamen and pistil)Vascular system (xylem and phloem)Dermal system (outermost cells)None of these45s
- Q2Which of the following best describes the interaction that occurs between a plant’s reproductive parts during self-fertilization?pollen moves up from ovule to the antherpollen released from the anther falls on the stigma and then the sperm cell is deposited in the ovary where the egg isplants cannot self-fertilizethe egg leaves the ovary goes to the stamen where fertilization takes place45s
- Q3Tropisms are important to plants because they -Communicate with humansHelp the plant be successful in its environmentTransport nutrients throughout the plantHelp the plant reproduce45s
- Q4Plant roots have extensions called root hairs. These root hairs are important in the homeostasis of the plant. Which statement best explains the importance of the root hairs to the stems and leaves of the plant?Root hairs prevent water loss in leaves through transpiration and gas exchange.Root hairs increase the surface area of the roots for nutrient and water absorption.Root hairs decrease the need for osmosis and diffusion in vascular tissue.Root hairs convert minerals into glucose for immediate use by cells.45s
- Q5A corn plant produces both male and female flowers. The male flower forms the tassel and the female flower forms the ear of corn. The silks that emerge from the ear are the stigma of the female flower. Each silk leads to an ovule that can become a corn seed. Which of these must happen for corn seeds to develop on the ear?Pollen must be transported from the tassel to the silk through the phloem.The tassels must come into direct contact with the silks of the ear.Pollen grains must fall from tassels and land on the silks of the ear.More tassels than silks need to be present on the same plant.45s
- Q6Which of the following is a product of photosynthesis?NitrogenOxygenCarbon DioxideWater45s
- Q7Which of the following is a product of cellular respiration?carbon dioxidenitrogenglucoseoxygen45s
- Q8Which of the following correctly describes how the diagram of cellular respiration is different from the diagram of photosynthesis?The cellular-respiration diagram shows energy stored in large protein molecules.The cellular-respiration diagram shows glucose as the main source of energy.The cellular-respiration diagram shows water as the main source of chemical energy.The cellular-respiration diagram shows electromagnetic waves as the final product.45s
- Q9Most plant leaves take in more carbon dioxide as light increases. They give off carbon dioxide if light intensity is too low. The graph shows a plant’s carbon dioxide levels at different light intensities. At point X, the rate of which process is equal to the rate of photosynthesis?ReproductionCellular respirationGrowthTranspiration45s
- Q10Phytoplankton are marine protists. Like plants, phytoplankton contain chlorophyll and produce glucose using what two reactants?O2 and ATPCO2 and H2OATP and H2OCO2 and O245s
- Q11Which statement best describes the relationship between the products of photosynthesis and the reactants in cellular respiration?The products of photosynthesis change the structure of the reactants in cellular respiration in the presence of light.The products of photosynthesis serve as the reactants in cellular respiration to provide chemical energy.The products of photosynthesis inhibit the reactants in cellular respiration in the presence of light.The products of photosynthesis combine with the reactants in cellular respiration to remove ATP from cells45s
- Q12Photosynthesis and cellular respiration both involve the use and release of gases. Which statement correctly identifies the role of gases in the two processes?Cellular respiration uses oxygen and releases carbon dioxide, while photosynthesis uses carbon dioxide and releases oxygen.Cellular respiration uses carbon dioxide and releases oxygen, while photosynthesis uses oxygen and releases carbon dioxide.Photosynthesis and cellular respiration both use carbon dioxide and release oxygen.Photosynthesis and cellular respiration both use oxygen and release carbon dioxide45s
- Q13Which statement correctly pairs the reaction with its reactants?Cellular Respiration - O2 and sugarsCellular Respiration - CO2 and sugarsPhotosynthesis - CO2 and sugarsPhotosynthesis - O2 and sugars45s
- Q14The picture shows an experiment designed to investigate photosynthesis activity in a water plant in a dark room. Over time, bubbles can be easily observed and counted as they escape from the funnel. What are the bubbles made of?HeliumNitrogenOxygen45s
- Q15More bubble indicates which of the following?A faster rate of photosynthesis.A slower rate of photosynthesis45s
