CBSE Guess > Papers > Important Questions > Class IX > 2009 > Science > Science By : Mr M. p. Keshri
CBSE CLASS I X
The Fundamental unit of life (Solved)
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Q.40. List major functions of a cell.
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Q.41. What is the control centre of the cell ?
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Q.42. State the function of ribosomes.
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Q.43. State the site of photosynthesis.
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Q.44. State the function of an endoplasmic reticulum.
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Q.45. Why do viruses not show characteristics of life?
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Q.46. State the power house of the cell.
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Q.47. Which cell organelles are called suicidal bag of cell.
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Q.48. Which organelle makes endoplasmic reticulum rough?
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Q.49. State one function of each –
(i) rough endoplasmic reticulum and
(ii) smooth endoplasmic reticulum.
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Q.50.Where are centrioles found ?
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Q.51. State the function of centrosomes. Name the structure found in plant cell to perform similar function.
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Q.52. State endoplasmic reticulum with its main functions.
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Q.53. State the functions of Golgi apparatus ?
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Q.54. What are Lysosomes?
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Q55. State the function of Lysosomes.
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Q.56. State the structure and functions of peroxisomes.
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Q.57. State the functions of Mitochondria.
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Q.58. Expand the term ATP. State its use.
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Q.59. What are plastids?
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Q.60. What are leucoplasts ? State their functions.
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Q.61. What are chromoplasts ? Which one is the most important and why ?
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Q.62. What is plasmolysis?
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Q.63. What are vacuoles?
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Q.64. State the difference between plant cell and animal cell.
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Q.65. Write one important function each of mitochondria and ribosomes.
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Q.66. Why lysosomes are often called ‘suicide bags’.
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Q.67. Name some organelle found in animal cells and some found in plant cells.
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Q.68. Name the cell organelle which are known as :
(i) Control centre
(ii) Demolotion squads
(iii) Export firms
(iv) Power house of the cell
(v) Kitchen of the cell
(vi) Internal transport system.
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Q.69.State the functional regions of the cells.
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Q.70. What is a eukaryotic cell ?
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Q.71. Can you name the two organelles we have studied that contain their own genetic material ?
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Q.72. Where are proteins synthesized inside the cell ?
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Q.73. How does an Amoeba obtain its food?
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Q.74. What is osmosis ?
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Paper By Mr. M. P. Keshari [ For Further Enquiry 09434150289]
