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Question
Name the part of the cell concerned with the following :
Transmission of hereditary characters from parents to offspring
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Solution
Chromosomes
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RELATED QUESTIONS
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.
Write short notes on the following.
Nucleus of a cell
Where are chromosomes found in a cell? State their function.
Try to find the names of four cell organells hidden in this maze, (hint: The hidden words can appear horizontally or vertically; forwards or backward or even mixed up). Write them in the lines provided. For example : “NUCLEUS” in the last row, seven backward letters.
| A | J | F | B | H | E | M | O | E | L | O | U | C | A | V |
| H | V | L | E | U | C | O | P | L | A | S | T | N | O | E |
| C | H | R | O | M | O | P | L | A | S | T | X | T | E | R |
| S | U | E | L | C | U | N | W | P | L | A | S | T | I | D |
Fill in the blanks:
Organisms which are made up of a single cell are called ______ organisms.
Why was the invention of the microscope so important to the study of living beings?
Where is energy stored in a cell?
New cells are produced from the existing cells.
Write about the contribution of Robert Hooke in cell biology.
Robert Hooke published a book named ______ in the year 1665.
