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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).
Muscle cells are branched. (T / F)
Choose the correct option.
Cell Membrane is composed of ______.
Growth of cell wall during cell elongation take place by ______.
Arrange in a correct sequence
Hen's Egg, Ostrich's egg, Insect's egg.
Adipose: tissue:: eye: ______.
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 |
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…______
______ is the basic structural and functional unit of every living organism.
The branch of science that deals with the study of cells is called ______.
Analogy:
Smallest cell: virus.
Biggest cell: ______.
How do you distinguish between living and dead cells?
Cell wall of which one of these is not made up of cellulose?
Do you agree that “A cell is a building unit of an organism”. If yes, explain why?
A person takes concentrated solution of salt, after sometime, he starts vomiting. What is the phenomenon responsible for such situation? Explain.
Why are lysosomes also known as “scavengers of the cells”?
Choose the correct statement:
______ first saw and described a live cell.
Name the following:
A pigment which is not found in plastids.
