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प्रश्न
Which of the following is not correct?
पर्याय
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.
APPEARS IN
संबंधित प्रश्न
Indicate whether the following statements are True (T) or False (F).
The basic living unit of an organism is an organ. (T / F)
Indicate whether the following statements are True (T) or False (F).
Amoeba has irregular shape. (T / F)
I convert the Sun’s energy into food for the plant. Who am I?______
Assertion (A): Majority of cells cannot be seen directly with naked eye because.
Reason (R): Cells are microscopic.
Why the cell is very important for us?
Classify the following terms into cells, tissues, organs and write in the tabular column given below
Neuron, Lungs. Xylem, brain, adipose, Leaf, RBC, WBC, hand, muscle, heart, ovum, squamous, phloem, cartilage.
| Cell | Tissue | organ |
Analogy:
Smallest cell: virus.
Biggest cell: ______.
Name the largest Angiosperm cell
A person takes concentrated solution of salt, after sometime, he starts vomiting. What is the phenomenon responsible for such situation? Explain.
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
Packaging and dispatching unit of the cell——
Why are lysosomes also known as “scavengers of the cells”?
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.
The smallest cell in the human body is ______.
______ first saw and described a live cell.
Name the following:
A pigment which is not found in plastids.
