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)
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