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प्रश्न
Fill in the blanks:
Organisms which are made up of a single cell are called ______ organisms.
उत्तर
Organisms which are made up of a single cell are called unicellular organisms.
APPEARS IN
संबंधित प्रश्न
Make a comparison and write down ways in which plant cells are different from animal cells.
Carry out the following osmosis experiment:
Take four peeled potato halves and scoop each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now,
- Keep cup A empty
- Put one teaspoon of sugar in cup B
- Put one teaspoon salt in cup C
- Put one teaspoon sugar in the boiled potato cup D.
Keep these for two hours. Then, observe the four potato cups and answer the following:
- Explain why water gathers in the hollowed portion of B and C.
- Why is potato A necessary for this experiment?
- Explain why water does not gather in the hollowed-out portions of A and D.
Which part of the cell contains organelles?
Name the part of the cell concerned with the following :
Transmission of hereditary characters from parents to offspring
Name the part of the cell concerned with the following :
The entry of only certain substances into and out of the cell.
State whether the following statement is true (T) or False (F):
Genes are located on a chromosome.
Write true or false for each statement. Rewrite the false statements correctly:
The size of a cell is usually measured in centimetres
Describe the structure of the chromosome in brief.
Matching:
| 1. | Discovery of cell | a. | Nerve cell |
| 2. | Unicellular organism | b. | spirogyra |
| 3. | Multicellular organism | c. | Robert Hooke |
| 4. | Longest cell | d. | Cyanobacteria |
| 5. | Prokaryotic cell | e. | Amoeba |
