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प्रश्न
Fill in the blanks :
_______ are hereditary units.
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उत्तर
Genes are hereditary units.
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संबंधित प्रश्न
Name the following.
The cell organelle which synthesizes protein.
Name the part of the cell concerned with the following :
Initiation of cell division
State whether the following statement is true (T) or False (F):
All animal cells contain a cell wall.
Match the item in column 'A' with those in column 'B'.
| Column A | Column B |
| (a) Vacuoles | (i) Intracellular digestion |
| (b) Nucleolus | (ii) Respiratory enzymes |
| (c) Lysosomes | (iii) Covered by tonoplast |
| (d) Anthocyanin | (iv) Dissolved in the cytoplasm |
| (e) Cristae | (v) Forms RNA |
_________ consists of membranous sacs and secrets 40 types of digestive enzymes.
Write true or false for each statement. Rewrite the false statements correctly:
Ribosomes are the sites of respiration in a cell
Write a short answer.
Why is the cell membrane called selectively-permeable membrane?
Who says that cell is the biological unit of body structure?
Identify the cellular structure with the help of the following clue:
It initiates and regulates cell division.
Define the following term:
Organelles
