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Biology

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
What organisms make their own food? (plants and algae are examples)   Autotrophs  
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Photosynthesis converts ________ energy into _______ energy in the form of glucose.   Light, Chemical  
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Light absorbing molecules are called?   Pigments  
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The main plant pigment is called?   Chlorophyl  
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What is the laboratory technique that separates plant pigments for study?   Chromatography  
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What part of the plant cell does photosynthesis occur?   Chloroplast  
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What is the chemical formula for photosynthesis?   H2O+CO2+O2+glucose  
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What are the two stages of photosynthesis?   Light-dependent reaction and Calvin Cycle  
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What are small holes on the underside of leaves that let them exchange the gases used in photosynthesis?   Stoma  
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What opens and closes stomata?   Guard cells  
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Process by which plants and some other organisms use light energy to convert water to food is _______?   Photosynthesis  
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________ are stacks of thylakoids within chloroplasts.   Grana  
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What is a saclike membrane that is the structural unit of the grana in the chloroplasts of plant cells?   Thylakoid  
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What is the connective tissue framework of an organ, gland, or other structure?   Stroma  
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A ________ is a protecting film covering the epidermis of leaves.   Cuticle  
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What is the the lower layer of the ground tissue of a leaf?   Spongy mesophyll  
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What is the upper layer of ground tissue in a leaf?   Palisade mesophyll  
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What is the process of water movement through a plant and its evaporation?   Transpiration  
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______ is one of the two types of transport tissue in vascular plants, phloem being the other.   Xylem  
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What is the the vascular tissue in plants that conducts sugars and other metabolic products downward from the leaves?   Phloem  
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__________ are organic pigments that are found in the chloroplasts of plants.   Carotenoids  
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What is a yellow carotenoid pigment found with chlorophyll in green plants?   Xanthophylls  
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