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Published bySeth Goodfellow Modified over 10 years ago
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Question 1 To which animal phyla do the organisms with round bodies marked externally into rings or segments belong? Porifera Annelida Coelenterata None of these Annelida
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Chloroplast Question 2 The site of photosynthesis is Vacuoles Mitochondria Chloroplast None of these
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Xylen Question 3 Which tissue is responsible for the passage of water in plants? Sclerenchyma Xylen Phloem Collenchynatous Cells
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Xerophytes Question 4 The vegetation of the Thar desert consists of Xerophytes Hydrophytes Mesophytes Thallophytes
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Leaves Question 5 In which section of the plant does photosynthesis take place? Roots Stem Leaves Flowers
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Red light Question 6 Photosynthesis takes place faster in Yellow light White light Red light Darkness
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Counting the number of rings in the stem Question 7 Age of a tree can be determined by Counting the number of rings in the stem Counting the number of leaves Counting the number of branches Measuring the size of the tree
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Question 8 Which of the following gases are given during photosynthesis? Carbon Dioxide Nitrogen Oxygen Hydrogen Oxygen
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Question 9 The green colour leaves is due to to the presence of Metallic Ions Haemoglobin Iron Chlorophyll Chlorophyll
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Take in carbon dioxide & give out oxygen Question 10 During the day time plant Take in oxygen & give out carbon dioxide Take in carbon dioxide & give out oxygen Take in nitrogen & give out oxygen Take in carbon dioxide & give out nitrogen
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Question 11 Plants receive their nutrients mainly from Chlorophyll Atmosphere Light Soil Soil
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Oxygen Question 12 If all plants vanish from the earth’s surface, which of the following gases will also disappear ? Oxygen Carbon Dioxide Hydrogen Nitrogen
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Halophytes Question 13 Plants that grow in saline water are called Halophytes Hydrophytes Mesophytes Thallophytes
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Stem Question 14 The onion is modified form of Root Leaves Stem Fruit
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Stem Question 15 The cactus is modified form of Leaves Stem Root Flower
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