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प्रश्न
Distinguish between the following pairs of terms :
Centrosome and chromosome
उत्तर
| Centrosome | Chromosome | ||
| (i) | It is a clear area of cytoplasm close to the nucleus, from which spindle fibres develop during cell division. | (i) | Chromosomes carry hereditary information or genes, which transmit genetic characters from parents to offspring. |
| (ii) | A centrosome is found only in an animal cell. | (ii) | Chromosomes are found in the nucleus of both animal and plant cells. |
| (iii) | These are found outside the nucleus. | (iii) | These are found inside the nucleus. |
| (iv) | It consists of centrioles and centrospheres. | (iv) | It consists of nucleic proteins and nucleic acids |
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संबंधित प्रश्न
Where do the ribosomes get synthesized?
Draw a well labelled diagram of animal cell and mention one function of the main cell organelles.
What would have happened? If.........
RBCs had mitochondria.
What would have happened? If.........
There had been no differences between mitochondria and plastids.
Give functions.
Vacuole
State whether the following statement is true (T) or False (F):
Centrosome occurs in animal cells.
Fill in the blanks :
Very thin flexible, a living membrane which is differentially permeable, is called__________.
Distinguish between the following pairs of terms :
Nucleolus and nucleus
State the major function of the following :
Cytoplasm:
State the difference between Nucleus and nucleolus
Fill in the blanks:
The jelly-like fluid that surrounds the nucleus of a cell is called ______.
Fill in the blanks:
______ membrane is a selectively permeable membrane.
Write true or false for each statement. Rewrite the false statements correctly:
The nuclear membrane encloses a colourless, dense fluid called nucleoplasm
Write true or false for each statement. Rewrite the false statements correctly:
Chromoplasts are the kitchen of the cell
Organelle without a cell membrane is
Identify the cellular structure with the help of the following clue:
It synthesizes the respiratory enzymes.
Identify the cellular structure with the help of the following clue:
A non-living rigid layer surrounding the plasma membrane.
Identify the cellular structure with the help of the following clue:
It gives turgidity to the plant cells.
Give two examples of cell organelles.
