EASY
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Cork is plant cell.

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Important Questions on Cell Structure and Micro-organisms

EASY
Cell arises from pre-existing cell was stated by 
EASY
What is the magnification power of the objective lens under which an object is first focussed?
MEDIUM
'Cells are the basic structural units of living organisms'. Explain.
EASY
The cell theory was further expanded by :
MEDIUM
Who proposed cell theory? List its objectionable postulate.
EASY
 The shell of an egg is removed by dissolving it in :
MEDIUM
State the difference between eukaryotes and prokaryotes.
MEDIUM

Match the items in column I with those in column II.

Column I Column II
1. Xylem a. Semipermeable
2. Phloem b. Permeable
3. Cell membrane c. Downward flow of sap
4. Root pressure d. Upward flow of water
5. Cell wall e. Guttation
EASY
During slide preparation, the material is always placed on the slide:
 
MEDIUM
Explain why chloroplasts are found only in plant cells?
MEDIUM
Discuss the diversity in the shape of the cells.
HARD
Make sketches of animal and plant cells. State three differences between them.
MEDIUM
Make a sketch of the human nerve cell. What function do nerve cells perform?