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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Subjects
Science CBSE
Class 9
The Fundamental Unit of Life
Discovery of cell

11. Fundamental units of life

Exercise condition:

6 m.

In the given exercise, an Assertion is followed by the corresponding Reason. Mark the suitable answer from the given options:

Assertion: Robert Hooke observed cell with the aid of a self-designed microscope.

Reason: Microscope is used to see the microscopic units or structures.

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
Assertion is true but Reason is false
Assertion is false, but Reason is true

Assertion: Robert Brown discovered nucleus.

Reason: Nucleoplasm and cytoplasm together form the protoplasm.

Assertion is false, but Reason is true
Assertion is true but Reason is false
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion

Assertion: A plant cell has a cell wall, and an animal cell does not have a cell wall.

Reason: Plant cells are larger in size compared to animal cell.

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
Assertion is false, but Reason is true
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
Assertion is true but Reason is false

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