Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Not all cells of human body look alike in terms of structure.
Reason : Structure of cell is determined by the function it performs.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Plant cells have very large vacuoles.
Reason : In plant cells, vacuoles are full of cell sap
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Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Multicellular organism have higher survival rate than unicellular organisms.
Reason : In Multicellular organism, dead cells are replaced by new cells.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Mitochondria are called ‘powerhouses’ of the cell.
Reason : Mitochondria produce cellular energy in the form of ATP
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : A single cell lives independently on its own.
Reason : Single cell can perform all the life processes.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : A plant cell bursts if placed in water.
Reason : High turgor pressure causes bursting of plant cells.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Cells are functional unit of life.
Reason : A single cell has the ability to form whole organism.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : A cell membrane shows fluid behaviour.
Reason : A membrane is a mosaic of lipids and proteins.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Lysosomes are known as suicidal bag of cells.
Reason : Lysosomes contain powerful enzymes capable of breaking down all organic material.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Cell wall is a non-living part of the cell.
Reason : It offers protection, definite shape and support.
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