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प्रश्न
Which of the following is not correct?
विकल्प
Robert Brown discovered the cell.
Schleiden and Schwann formulated the cell theory.
Virchow explained that cells are formed from pre-existing cells.
A unicellular organism carries out its life activities within a single cell.
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उत्तर
Robert Brown discovered the cell.
Explanation:
Robert Hooke discovered the cell and Robert Brown discovered the nucleus in the cell.
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संबंधित प्रश्न
Indicate whether the following statements are True (T) or False (F).
Unicellular organisms have one-celled body. (T / F)
Indicate whether the following statements are True (T) or False (F).
The basic living unit of an organism is an organ. (T / F)
Basis unit of life.
Assertion (A): Tissue is a group of dissimilar cells.
Reason (R): Muscle is made up of Muscle cell.
On the lines given below, write about what you have learned from the activities done in this lesson.
Let me tell you about some of the important things I’ve learned about cells. First, I’ll start with…______
______ cells are specialised cells that can be transformed into any kind of cells.
In Latin, the word ‘cellula’ means a ______.
The branch of science that deals with the study of cells is called ______.
How do you distinguish between living and dead cells?
Name the largest Angiosperm cell
Name the organelles which show the analogy written as under
Transporting channels of the cell——
Name the organelles which show the analogy written as under
Power house of the cell——
Name the organelles which show the analogy written as under
Packaging and dispatching unit of the cell——
Choose the correct statement with respect to unicellular organisms.
Choose the correct statement:
Identify the correct statement about cells.
The table given below has certain terms and four blank spaces named A, B, C and D.
| Cell | Feature/part | Function |
| Amoeba | A | Movement |
| Plant Cell | Plastid | B |
| C | Spindle shaped | Contraction |
| Nerve Cell | D | Stimuli and response |
From the options given below choose the correct combination of terms.
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)___.
