Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : The statement "Omnis cellula-e-cellula" was given by Schleiden.
Reason : It means "All cells come from pre-existing cells.
Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Nucleolus is smaller in actively working cell.
Reason : It is involved in actively synthesizing RNA that ultimately results in protein formation.
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Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Cell is the basic unit of life.
Reason : Robert Hooke discovered the cell.
Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Schleiden and Schwann were the first to observe the cells to put cell theory .
Reason : Anton Von Leeuwenhoek saw and described a living single cell
Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion:
Mitochondria and chloroplast are semiautonomous organelles.
Reason:
They are formed by division of preexisting organelles as well as contain DNA but lack protein-synthesizing machinery.
Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : All cells are autonomous.
Reason : Each and every cell converts non-living materials into components of living matter.
Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Elaioplast is a kind of leucoplast.
Reason : It is involved in storage of oils and fats.
Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Chloroplasts are found in all the eukaryotic cells.
Reason : They perform the function of photosynthesis as they trap energy.
Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : RER is lined with 80S ribosomes and is rough in appearance.
Reason : It is the site of lipid and steroid synthesis.
Directions : In the following question, the Assertions (A) and Reason (R) have been put forward. Read both the statements and choose the correct option from the following.
Assertion : Smaller cells metabolically more active than larger cells.
Reason : Metabolically active cells are usually larger due to lower nucleo-cytoplasmic ratio.