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Saturday, July 9, 2011

CBSE NCERT class 9th science test paper from The Fundamental Unit of Life



Science Class IXth Test From Chapter 5 –The Fundamental Unit Of Life
M.M: 52 marks                                                   Dated: 09/07/2011
Time: 1 hour 45 minutes
                                                                  
Q 1: Which substance comes from the bark of a tree?            (1 mark)
Q 2: __________ is a Latin word for a “little room”              (1 mark)
Q 3: While transferring the onion peel on the slide for viewing under microscope, write any one precaution that must be taken.
                                                                                                 (1 mark)
Q 4: Match the following                (1 mark per match x 6 = 6 marks)
i).
Cells
a).
Purkinje
ii).
First Cell Theory
b).
Leeuwenhoek
iii).
Expansion of Cell Theory
c).
Robert Brown
iv).
Free living cells
d).
Robert Hooke
v).
Discovered nucleus
e).
Virchow
vi).
Protoplasm
f).
Schleiden and Schwann
Q 5: Give two examples of unicellular organisms and two examples of multicellular organisms                                                      (2 marks)
Q 6: Draw nerve cell and smooth muscle cell of human body. 
                                                                                               (2 marks)
Q 7: Define organelle.                                                             (1 mark)
Q 8: What are three features that are found in every cell?     (1 mark)
Q 9: In a cell, the concentration of CO2 has become more. Which process will help in moving CO2 out of the cell?                    (1 mark)
Q 10: Write one difference between a hypertonic solution and a hypotonic solution.                                                                 (2 marks)
Q 11: A de-shelled egg is placed in a concentrated salt solution for five minutes. What will happen to the egg after five minutes? 
                                                                                                 (1 mark)
Q 12: In which microscope, will you be able to see the structure of a plasma membrane?                                                                 (1 mark)
Q 13: What is Endocytosis? Give one example of one organism that uses Endocytosis.                                                                   (2 marks)
Q 14: Which process allows the movement of water in and out of the cell?                                                                                        (1 mark)
Q 15: How many coverings are there for the plant cell wall? Name them. Which covering is inside and which is outside?           (3 marks)
Q 16: What is the main composition of a plant cell wall?       (1 mark)
Q 17: Define plasmolysis.                                                        (1 mark)
Q 18: Write True or False: Living as well as dead plant cells can absorb water by osmosis - _________                                    (1 mark)
Q 19: Which two solutions can be used to stain the onion cells before viewing them under a microscope? Why is staining done? 
                                                                                                (3 marks)
Q 20: Which structures inside the nucleus contain information for inheritance of features from parents to next generation?        (1 mark)
Q 21: Fill in the blank: DNA stands for ________________ ___________ ______________                                              (1 mark)
Q 22: Write two functions of a nucleus.                                (2 marks)
Q 23: In prokaryotes, the word pro means  _____________ and karyotes means ___________.                                                (1 mark)
Q 24: The fluid content inside the plasma membrane is called __________________.                                                            (1 mark)
Q 25: Write two differences between Eukaryotes and Prokaryotes.  
                                                                                                (2 marks)
Q 26: Give two examples of cell organelles.                           (1 mark)
Q 27: Write one difference between RER and SER.              (1 mark)
Q 28: Write two functions of Golgi Apparatus.                     (2 marks)
Q 29: What is a vacuole? Write its one function.                  (2 marks)
Q 30: What are mitochondria? Write full form of ATP.        (2 marks)
Q 31: ________________ are a kind of waste disposal system of the cell.                                                                                       (1 mark)
Q 32: Draw plant cell and label any six parts of it.                (3 marks)