- 1(current)
Q. No.Consider the given two statements:
| Statement I: | In 1838, Matthias Schleiden, a German botanist, examined a large number of plants and observed that the presence of cell wall is a unique character of the plant cells. |
| Statement II: | In 1839, Theodor Schwann, a British Zoologist, studied different types of animal cells and reported that cells had a thin outer layer which is today known as the ‘plasma membrane’. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Cell Theory |
From NCERT
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How many of the given statements are true?
1. 1
2. 2
3. 3
4. 4
| I: | All cells arise from pre-existing cells. |
| II: | Prokaryotic cells do not have any organelles. |
| III: | Eukaryotic cells have only membrane bound organelle. |
| IV: | Centrosome helps in cell division in plants and animals. |
2. 2
3. 3
4. 4
Subtopic: Cell Theory | Eukaryotic Cell Orgenelle | Lysosomes | Ribosome and Inclusion Bodies |
58%
From NCERT
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Hints
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Consider the given two statements:
1. Statement I is True; Statement II is True
2. Statement I is True; Statement II is False
3. Statement I is False; Statement II is True
4. Statement I is False; Statement II is False
| Statement I: | Rudolph Virchow proved that all life comes from pre-existing life. |
| Statement II: | Louis Pasteur proved that all cells arise from pre-existing cells |
2. Statement I is True; Statement II is False
3. Statement I is False; Statement II is True
4. Statement I is False; Statement II is False
Subtopic: Cell Theory |
From NCERT
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Q. No.
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