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प्रश्न
Cells are the basic structural units of living organisms’. Explain
उत्तर
Cells constitute various components of plants and animals. A cell is the smallest unit of life and is capable of all living functions. Cells are the building blocks of life. This is the reason why cells are referred to as ‘the basic structural and functional units of life’. All cells vary in their shapes, sizes, and activities they perform. In fact, the shape and size of the cell is related to the specific function it performs.
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संबंधित प्रश्न
Why is the cell called the structural and functional unit of life?
Write short note on the following :
(a) Golgi apparatus
(b) Mitochondria
Name the following
(a) The cell organelle which synthesizes protein.
(b) The type of plastid which stores food.
What would have happened? If.........
Genes had been absent on the chromosomes.
Who is odd man among us? Give reason.
State whether the following statement is true (T) or False (F):
Centrosome occurs in animal cells.
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 |
Put a tick mark (✓) against the correct alternative in the following statement:
Identify the part which contain pigment
State the difference between cytoplasm and protoplasm
Identify the cellular structure with the help of the following clue:
Supportive framework for the cell.
