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प्रश्न
Define the following term:
Cell
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उत्तर
The cell is the structural and functional unit of the body. All cells are basically alike in chemical composition and metabolic processes.
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संबंधित प्रश्न
Adipose: tissue:: eye: ______.
Assertion (A): Majority of cells cannot be seen directly with naked eye because.
Reason (R): Cells are microscopic.
Nowadays an ______ microscope is used to magnify and observe the cells.
The cell is self-sufficient and carries out all the fundamental and essential functions of an organism.
Name the organelle without membrane.
A person takes concentrated solution of salt, after sometime, he starts vomiting. What is the phenomenon responsible for such situation? Explain.
We eat food composed of all the nutrients like carbohydrates, proteins, fats, vitamins, minerals, and water. After digestion, these are absorbed in the form of glucose, aminoacids, fatty acids, glycerol etc. What mechanisms are involved in absorption of digested food and water?
Why are lysosomes also known as “scavengers of the cells”?
Fill in the blanks with the terms given in the box below:
| Nucleus, chromosomes, cell wall, cell membrane, protoplasm, cytoplasm, ribosome, cell organelles |
The outermost layer of plant cells is the ___(a)___ beneath which is the ___(b)___. The term ___(c)___ refers to the jelly-like substance containing all the ___(d)___. The ___(e)___ contains thread-like structures called ___(f)___.
Stem cells can serve as an inbuilt repair system for our body.
