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प्रश्न
Distinguish between the following pairs of terms :
Centrosome and chromosome
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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 |
संबंधित प्रश्न
Name the Following:
Smallest Cell Organelle
Name the following.
The cell organelle which synthesizes protein.
What would have happened? If.........
Plasma membrane had not been selectively permeable.
Give functions.
Vacuole
Distinguish between the following pairs of terms :
Nucleolus and nucleus
State the major function of the following :
Lysosomes
State the major function of the following :
Cytoplasm:
Put a tick mark (✓) against the correct alternative in the following statement:
Identify the part which contain pigment
Put a tick mark (✓) against the correct alternative in the following statement:
A cell that is spherical in shape is
Put a tick mark (✓) against the correct alternative in the following statement:
The vacuole contains:
The cell membrane is called selectively permeable. Why?
Fill in the blanks:
The ______ contains a network of thread-like structures called chromatin network.
Fill in the blanks:
Golgi bodies are also called ______.
Write true or false for each statement. Rewrite the false statements correctly:
Vacuoles are filled with a fluid called nucleoplasm
Who says that cell is the biological unit of body structure?
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:
Supportive framework for the cell.
Identify the cellular structure with the help of the following clue:
It destroys foreign substances.
Identify the cellular structure with the help of the following clue:
It gives turgidity to the plant cells.
Define the following term:
Organelles
