Science Class 8th Test From Cell – Structure And Functions
M.M: 35 marks Time: 50 minutes
Q 1: In unicellular, uni means ______ and cellular means _______ (1 mark)
Q 2: The
cell of a hen represents a ______________ cell and is big enough to be
seen with the unaided
eye. (1
mark)
Q 3: How the discovery of the cell happened? Who discovered cell? (2 marks)
Q 4: Draw diagram of an Amoeba and a Paramecium and label them. (2 marks)
Q 5: Make
labelled diagrams of a plant cell and an animal cell and write two
differences between them.
(4 marks)
Q 6: What are chloroplasts and what is their function? (2 marks)
Q 7: What
is the difference between prokaryotic cells and eukaryotic cells? Give
one example of
each. (2
marks)
Q 8: What is a cell? Write the three main parts of a cell? (2 marks)
Q 9: The blank looking structures in the cytoplasm are called ___________ (1 mark)
Q 10: What is a gene? What is its main function? (2 marks)
Q 11: What is the main function of a nucleus? (1 mark)
Q 12: What are chromosomes and what is their role? (2 marks)
Q 13: Draw a labelled diagram of human cheek cells. (2 marks)
Q 14: What
is the purpose of putting methylene blue or iodine solution on cover
slip when seeing human cheek cells in a microscope?
(1 mark)
Q 15: The
jelly like substance between the nucleus and the membrane is called
_______________
(1 mark)
Q 16: What is the relation among cells, tissues, organs and system? (1 mark)
Q 17: What is meant by pseudopodia? Where is it found? (2 marks)
Q 18: Draw the shape of RBC, muscle cells and nerve cells of humans. (3 marks)
Q 19: What is the function of cell membrane? (1 mark)
Q 20: Name two plants in which cells can be easily seen in their leaf peels. (1 mark)
Q 21: Amoeba has a regular shape: True/False (1 mark)
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