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प्रश्न
Under the microscope, Priya observes a cell that has a cell wall and distinct nucleus. The cell that she observed is
विकल्प
a plant cell
an animal cell
a nerve cell
a bacteria cell
उत्तर
A plant cell
APPEARS IN
संबंधित प्रश्न
Who discovered cells and how?
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.
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.
Name the scientist who invented the first microscope
Write a short answer.
Why are mitochondria called the powerhouse of the cell?
What was the contribution of the following to our knowledge of cells?
Virchow
An electron microscope is necessary for the study of ______.
Write about the contribution of Robert Hooke in cell biology.
Robert Hooke published a book named ______ in the year 1665.
