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Earn 100
Who proposed the “cell lineage theory” by stating that “Omnis cellula-e cellula”?
66.67% studentsanswered this correctly
Important Questions on Cell: The Unit of Life
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“Omnis cellula-e cellula” means
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Which of the following statement is not a part of the final cell theory?
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The feature which differentiates cells of the human cheek with the cells of onion peel is
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Choose the incorrect statement w.r.t. the main arena of cellular activities of a cell:
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Identify the mismatched pair concerning different shapes of the cells:
|
|
Cells |
Shapes |
|
(i) |
Tracheids |
Elongated |
|
(ii) |
White blood cells |
Round and biconcave |
|
(iii) |
Nerve cells |
Branched and long |
|
(iv) |
Mesophyll cell |
Round and oval |
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Match the following columns:
| Column I | Column II | |
| A | Mycoplasma | (i) Longest cell |
| B | Human RBC |
(ii) 7 in diameter |
| C | Nerve cells | (iii) 10 - 20 |
| D | A typical eukaryotic cell | (iv) 0.3 in length |
| (v) Largest isolated single cell |
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Most prokaryotic cells, particularly bacterial cells have
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Read the following statement about cell envelope of bacteria:
(I) It is tightly bound three-layered structure.
(II) The outermost glycocalyx, followed by a cell wall and then the cell membrane.
(III) Each layer has a distinct function, but they act as a single unit.
