Across
- 4. A pouch connected to the junction of the small and large intestines.
- 7. Removal of undigested and unutilized food from the body.
- 10. Name given to a cyclone in the Pacific Ocean.
- 14. The pulpy acidic fluid which passes from the stomach to the small intestine, consisting of gastric juices and partly digested food.
- 15. A space within the cytoplasm of a cell containing fluid or matter.
- 19. The mode of nutrition in which some plants get their food from other living organisms.
- 20. The breaking down of complex insoluble food substances into simple soluble food substances with the help of digestive juices prepared by the body.
- 24. Small Intestine.
- 26. The usage of absorbed food by the body for energy, growth and repair.
- 29. Instrument to measure wind speed.
- 31. Materials that allow heat energy to pass through them easily.
- 32. Winds that blow from the polar region towards 60ON and 60OS.
- 35. The process by which food is taken inside the body of an organism.
- 36. The partially digested food in ruminants that is brought back to the mouth for proper chewing.
- 39. Name given to a cyclone in the Atlantic Ocean.
- 40. A parasitic plant / animal that is draws only some of its nutrition from its host. Ex: Mistletoe
- 42. The process of obtaining large crystals from the saturated solutions.
- 45. A green pigment that is present in chloroplasts of leaf cells and is responsible for photosynthesis.
- 46. Substances that are sour in taste are called acids.
- 47. Acid injected into the body when an ant bites.
- 49. Winds that blow from 30ON and 30OS towards the Polar Regions.
- 52. Cutting of paper is a _____________ change.
- 54. Tearing teeth.
- 57. The mode of nutrition in which an organism cannot prepare its own food but obtains readymade food made by green plants directly or indirectly.
- 61. The average weather pattern at a place over a long period of time say 20-30 years.
- 63. The transfer of heat energy in a liquid or gas due to the actual movement of the particles of the liquid/gas.
- 65. Red Eyed frogs and Lion Tailed Macaque live in this region.
- 66. Finger like projections on the walls of the small intestine. The villi have capillary vessels close to the surface that absorb nutrients from the food as it passes through the small intestine.
- 68. The hard outer layer of teeth.
- 69. The special relationship between two different types of living organisms that work for each other’s benefit.
- 72. Special structure present in some parasitic plants for absorbing ready-made food.
- 75. Ripening of fruits is a ________________ change.
- 76. This common substance found in kitchen contains acetic acid.
- 77. The material within a living cell.
- 79. Separating the long fine quality fleece from the broken low quality fleece.
- 80. Acids that occur naturally in the environment. They are weak acids.
- 83. Fibre extracted from multiple cocoons and reeled together to form long, strong continuous strands.
- 84. Substances that give relief to people suffering from stomach acidity.
- 86. Silk produced from damaged or waste cocoons that do not yield long strands.
- 87. The process of taking food by an organism and its digestion, absorption and utilization by the body.
- 88. A dense part of a living cell that contains genetic material.
- 89. Cavity The oral cavity consisting of the teeth, tongue and salivary glands.
- 91. This is added when soil is too basic.
- 92. Soil that is highly sticky and retains water.
- 93. Twisting the fibres to impart strength.
- 94. Hard dense bony tissue forming the bulk of a tooth, beneath the enamel.
Down
- 1. Winds that blow from the 30ON and 30OS towards the Equator.
- 2. The natural indicator derived from Lichen.
- 3. A sticky deposit on teeth in which bacteria grow.
- 4. Acid present in Lemons and Oranges.
- 5. Acid found in Curds.
- 6. A component of the stomach’s gastric juice that digests proteins in the food to form simple soluble substances called peptones.
- 8. Acid in sugarcane juice.
- 9. An enzyme present in saliva that converts starch, present in the food we eat to sugar.
- 11. Substances that are neither acidic nor basic – Sugar, Salt, Honey.
- 12. Removing hair from the body of a sheep.
- 13. The first part of the small intestine immediately beyond the stomach.
- 16. The transfer of heat energy from the hot portions to the cold portions of a body without the actual movement of molecules of the material.
- 17. The transfer of heat energy from a hot object to cold object without the need for a medium. This happens via electromagnetic waves.
- 18. A low pressure area surrounded by High pressure winds all around. Also the name given to such atmospheric formations in the Indian Ocean.
- 21. A substance to help us find out if a substance is basic or acidic.
- 22. Coating of iron with zinc to prevent rusting.
- 23. form of energy that causes the sensation of coldness or hotness.
- 25. Acids prepared by the minerals of the earth. They are strong acids and are dangerous.
- 27. Rearing of silkworms to produce silk.
- 28. When an acidic solution is mixed with a basic solution, both the solutions neutralize the effect of each other. The resulting mixture is neither acidic nor basic. Water and salt are formed as a result of a neutralization reaction. Heat is given out.
- 30. Substances that are bitter in taste and soapy to touch are called bases.
- 31. Removing the burrs (knots) from the fleece.
- 32. Rate at which water moves in between the soil particles.
- 33. A small vestigial (having no purpose) organ at the beginning of the large intestine.
- 34. Cells that are present on either side of stomata. These cells regulate the exchange of gases by opening or closing the stomata.
- 35. Cutting teeth.
- 37. The pushing down of food by the walls of the food pipe (oesophagus) in a wave like action.
- 38. The process by which green plants use a pigment called chlorophyll and sunlight energy to make their own food (glucose) from carbon dioxide and water.
- 40. The muscular cavity behind the nose and mouth, connecting them to the oesophagus.
- 41. Severe storm accompanied by lightning, thunder, high wind speeds and heavy rains.
- 43. The mode of nutrition in which an organism obtains its food from dead and decaying organic matter.
- 44. The mode of nutrition in which an organism makes its own food from simple substances like carbon dioxide, water and minerals.
- 46. –Taking in / Absorbing simple soluble digested food substances into the body fluids.
- 48. false feet in organisms like amoeba that help it ingest food.
- 50. Materials that do not allow heat energy to pass through them easily.
- 51. The mode of nutrition in which certain plants feed on insects to obtain nitrogen.
- 53. The silky covering spun by the silkworm for its protection during metamorphosis.
- 55. A greenish yellow gland behind the stomach which secretes digestive enzymes into the duodenum. It is also responsible for releasing insulin into the blood to regulate blood sugar.
- 56. and Molars Crushing and grinding teeth.
- 58. A parasitic plant / animal that is totally dependant on its host for all its nutritional requirements. Ex: Cuscuta
- 59. The bacteria present in root nodules of leguminous plants. They are responsible for fixing nitrogen from air into the soil.
- 60. Instrument to measure relative humidity.
- 62. The natural indicator that turns red in the presence of bases, It is also used in Indian cooking.
- 64. Process of taking out threads from the cocoon.
- 67. Yearly Mass movement of animals/birds to escape harsh winters and search for food.
- 70. Acid present in fizzy soft drinks.
- 71. The combining of Iron metal with oxygen in the presence of water to form iron oxide.
- 73. Twisting of raw silk fibres to produce strong silk strands.
- 74. Grass eating animals that chew the cud regurgitated (brought back) from its rumen.
- 78. Soil that contains an equal amount of Sand and Clay particles.
- 81. A single celled micro-organism.
- 82. Washing the fleece of sheep to get rid of dirt, grease, sweat and other impurities.
- 85. Tiny pores present on the surface of leaves that allow for exchange of gases.
- 90. Soil that is non sticky and allows water to percolate easily.