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QuizMoz offers one of the Internet's largest collection of quizzes for you to tease your brain and pit your wits against the experienced QuizMoz quiz masters. Go ahead and find out what you know about yourself and the world around you. Best of luck!!  GED Practice Test - Science - Botany Test Questions Facts  Average Score for this quiz: 63%  No of times this quiz has been taken: 36  No of people passing this quiz: 27  No of people failing this quiz: 9  Maximum score for this quiz: 100% Coverage : The GEd Practice Test - Science - Botany has been designed to test the concepts of the test taker in one of the main branches of science, namely Botany. This test covers the various topics under plant science, like biology of cells, diversity of life, population biology etc.  GED Practice Test - Science - Botany Test Questions Discussion Forum 1.  Which of the following is/are found in plant cells but not in animal cells? a. Plastids and cell wall b. Chromosome c. Mitochondria and golgi apparatus d. Cell wall and lysozyme Please provide appropriate updations Ques Which of the following is/are found in plant cells but not in animal cells? a. b. c. d. Please describe the changes made by you   This Question is based on the following passage:   Mitochondria are membrane-bound organelles, and like the nucleus have a double membrane. The outer membrane is fairly smooth. But the inner membrane is highly convoluted, forming folds called cristae. The cristae greatly increase the inner membrane's surface area. It is on these cristae that food (sugar) is combined with oxygen to produce ATP - the primary energy source for the cell. Mitochondria's main role is the production of ATP (adenosine tri-phosphate) which is the principal energy storage molecule of the cell (it is also a component for the synthesis of nucleic acids (RNA and DNA) and it can act as a neurotransmitter) ATP is produced in the electron transport chain which uses products of the Krebs cycle which is itself linked to the metabolism of sugars, fats and amino acids. Mitochondria contain their own DNA which codes for some but not all the proteins found in mitochondria. It is believed that originally mitochondria were independent organisms that early on in evolutionary history have entered a symbiotic relationship with unicellular organisms. Mitochondria are inherited only through the mother line (the sperm does not contribute mitochondria to the egg) 2.  What is the similarity between a mitochondrion and  nucleus? a. Both are bound with a double membrane b. Both produce ATP c. Both have DNA d. Both act as neurotransmitter Please provide appropriate updations Ques What is the similarity between a mitochondrion andnucleus? a. b. c. d. Please describe the changes made by you   This Question is based on the following passage:   Hormones in animals coordinate body functions by being produced in one place and acting in another. This would be true for animal hormones but plant hormones are often produced in the structure or tissue in which they act. Plants do not have a circulatory system and "action at a distance" may not be a feature of plant hormones. Plant hormones seem to coordinate growth and development in different parts of the plant, and help the plant respond to environmental signals. They are molecules that are not directly involved in metabolic or developmental processes but they act at low concentrations to modify those processes. There are five generally recognized classes of plant hormone. They are auxins, cytokinins, ethylene, abscisic acid and gibberlins. Some of the classes are represented by only one compound, others by several different compounds. They are all organic compounds, they may resemble molecules which turn up elsewhere in plant structure or function, but they are not directly involved as nutrients or metabolites. 3.  What is the function of plant hormone? a. Absorption of water and nutrients b. Coordinate growth and development c. Action at distance d. Absorption of nutrients Please provide appropriate updations Ques What is the function of plant hormone? a. b. c. d. Please describe the changes made by you   This Question is based on the following passage:   Hormones in animals coordinate body functions by being produced in one place and acting in another. This would be true for animal hormones but plant hormones are often produced in the structure or tissue in which they act. Plants do not have a circulatory system and "action at a distance" may not be a feature of plant hormones. Plant hormones seem to coordinate growth and development in different parts of the plant, and help the plant respond to environmental signals. They are molecules that are not directly involved in metabolic or developmental processes but they act at low concentrations to modify those processes. There are five generally recognized classes of plant hormone. They are auxins, cytokinins, ethylene, abscisic acid and gibberlins. Some of the classes are represented by only one compound, others by several different compounds. They are all organic compounds, they may resemble molecules which turn up elsewhere in plant structure or function, but they are not directly involved as nutrients or metabolites. 4.  What are plant hormones? a. Tissue b. Metabolites c. Nutrients d. Organic compounds Please provide appropriate updations Ques What are plant hormones? a. b. c. d. Please describe the changes made by you This question is based upon the figure shown below 5.  Which  cell organelle is marked 6? a. Mitochondria b. Cellwall c. Chloroplast d. Nucleus Please provide appropriate updations Ques Whichcell organelle is marked 6? a. b. c. d. Please describe the changes made by you   This Question is based on the following passage:   The three major functions that are basic to plant growth and development are: Photosynthesis – the process of capturing light energy and converting it to sugar energy, in the presence of chlorophyll using CO2 and H2O,Respiration – the process of metabolizing (burning) sugars to yield energy for growth, reproduction and other life processes, and Transpiration – the loss of water vapor through the stomata of leaves. Photosynthesis and respiration are complementary processes in the living world. Photosynthesis uses the energy of sunlight to produce sugars and other organic molecules. These molecules in turn serve as food for other organisms. Many of these organisms carry out respiration, a process that uses O2 to form CO2 from the same carbon atoms that had been taken up as CO2 and converted into sugars by photosynthesis. In the process, the organisms that respire obtain the chemical bond energy that they need to survive. 6.  The  loss of water vapor through  the stomata of leaves is called___________ . a. Photosynthesis b. Respiration c. Transpiration d. Electrolysis Please provide appropriate updations Ques Theloss of water vapor throughthe stomata of leaves is called___________ . a. b. c. d. Please describe the changes made by you   This Question is based on the following passage:   The three major functions that are basic to plant growth and development are: Photosynthesis – the process of capturing light energy and converting it to sugar energy, in the presence of chlorophyll using CO2 and H2O,Respiration – the process of metabolizing (burning) sugars to yield energy for growth, reproduction and other life processes, and Transpiration – the loss of water vapor through the stomata of leaves. Photosynthesis and respiration are complementary processes in the living world. Photosynthesis uses the energy of sunlight to produce sugars and other organic molecules. These molecules in turn serve as food for other organisms. Many of these organisms carry out respiration, a process that uses O2 to form CO2 from the same carbon atoms that had been taken up as CO2 and converted into sugars by photosynthesis. In the process, the organisms that respire obtain the chemical bond energy that they need to survive. 7.  Where does photosynthesis occur? a. Stomata b. Chloroplasts c. Grana d. Xylem Please provide appropriate updations Ques Where does photosynthesis occur? a. b. c. d. Please describe the changes made by you   This Question is based on the following passage:   The three major functions that are basic to plant growth and development are: Photosynthesis – the process of capturing light energy and converting it to sugar energy, in the presence of chlorophyll using CO2 and H2O,Respiration – the process of metabolizing (burning) sugars to yield energy for growth, reproduction and other life processes, and Transpiration – the loss of water vapor through the stomata of leaves. Photosynthesis and respiration are complementary processes in the living world. Photosynthesis uses the energy of sunlight to produce sugars and other organic molecules. These molecules in turn serve as food for other organisms. Many of these organisms carry out respiration, a process that uses O2 to form CO2 from the same carbon atoms that had been taken up as CO2 and converted into sugars by photosynthesis. In the process, the organisms that respire obtain the chemical bond energy that they need to survive. 8.  Carbon dioxide and oxygen in nature is balanced by two life processes called: a. Transpiration and respiration b. Photosynthesis and respiration c. Photosynthesis and transpiration d. Photosynthesis and chemical bond energy Please provide appropriate updations Ques Carbon dioxide and oxygen in nature is balanced by two life processes called: a. b. c. d. Please describe the changes made by you This question is based upon the figure shown below 9.  What does the above picture represent? a. Calvin cycle b. Photosynthesisi c. Krebs Cycle d. decomposition Please provide appropriate updations Ques What does the above picture represent? a. b. c. d. Please describe the changes made by you   This Question is based on the following passage:    Proteins make up about 15% of the mass of the average person. Protein molecules are essential to us in variety of different ways. Much of the fabric of our body is constructed from protein molecules. Muscle, cartilage, ligaments, skin and hair - these are all mainly protein materials. The protein in the food we eat is our main source of the chemical building blocks we need to build our own protein molecules. The primary structure of a segment of a polypeptide chain or of a protein is the amino-acid sequence of the polypeptide chain(s), without regard to spatial arrangement (apart from configuration at the alpha-carbon atom). The sequence and properties of side chains determine all that is unique about a particular protein, including its biological function and its specific three-dimensional structure. 10.  What percentage of body mass of a person is made up of proteins? a. 10% b. 15% c. 20% d. 25% Please provide appropriate updations Ques What percentage of body mass of a person is made up of proteins? a. b. c. d. Please describe the changes made by you   This Question is based on the following passage:    Proteins make up about 15% of the mass of the average person. Protein molecules are essential to us in variety of different ways. Much of the fabric of our body is constructed from protein molecules. Muscle, cartilage, ligaments, skin and hair - these are all mainly protein materials. The protein in the food we eat is our main source of the chemical building blocks we need to build our own protein molecules. The primary structure of a segment of a polypeptide chain or of a protein is the amino-acid sequence of the polypeptide chain(s), without regard to spatial arrangement (apart from configuration at the alpha-carbon atom). The sequence and properties of side chains determine all that is unique about a particular protein, including its biological function and its specific three-dimensional structure. 11.  Proteins are macromolecules which are composed of certain kinds of: a. Amino acids b. Hormones c. Vitamins d. Carbohydrates Please provide appropriate updations Ques Proteins are macromolecules which are composed of certain kinds of: a. b. c. d. Please describe the changes made by you   This Question is based on the following passage:    Proteins make up about 15% of the mass of the average person. Protein molecules are essential to us in variety of different ways. Much of the fabric of our body is constructed from protein molecules. Muscle, cartilage, ligaments, skin and hair - these are all mainly protein materials. The protein in the food we eat is our main source of the chemical building blocks we need to build our own protein molecules. The primary structure of a segment of a polypeptide chain or of a protein is the amino-acid sequence of the polypeptide chain(s), without regard to spatial arrangement (apart from configuration at the alpha-carbon atom). The sequence and properties of side chains determine all that is unique about a particular protein, including its biological function and its specific three-dimensional structure. 12.  Roots of most plants are positively geotropic but roots of some plants occurring in the delta regions grow away from gravity. These plants are _________. a. Epiphytic plants b. Lithophytic plants c. Parasitic plants d. Mangrove plants Please provide appropriate updations Ques Roots of most plants are positively geotropic but roots of some plants occurring in the delta regions grow away from gravity. These plants are _________. a. b. c. d. Please describe the changes made by you Think you know more about this quiz!   Please enter your Name and what you would like to tell everyone about GED Practice Test - Science - Botany Test Questions  Name: Think you know more about GED Practice Test - Science - Botany Test Questions and would like others to know too? Whether its a great fact, a joke, a personal experience or an interesting anecdote, please share it with all the human beings on planet earth. Your contribution will help keep QuizMoz a free site for all.    (Optional)  (average submission size - 5 to 10 lines) GED Practice Test - Science - Botany Test Questions Discussion Forum Know the Latest News about GED Practice Test - Science - Botany Test Questions! What others think about GED Practice Test - Science - Botany Test Questions By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. By: shona on Apr 14, 2009    it is very nice quiz. 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