Advertisements
Advertisements
Question
Which type of cell division is required for growth and repair of body and which type is involved in formation of gametes?
Advertisements
Solution
- Mitosis is used for the growth and repair of the body and produces diploid cells identical to each other and the parent cell.
- Meiosis is used for sexual reproduction, and haploid cells are different to each other and the parent cell. Thus, meiosis results in the formation of gametes.
APPEARS IN
RELATED QUESTIONS
State the difference between eukaryotes and prokaryotes
Write down differences between organ and organelle.
Differences between light microscope and electron microscope.
Name the part of the cell concerned with the following :
The entry of only certain substances into and out of the cell.
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 |
Match the name of the organelle given in Column A with its function given in Column B.
| Column A (Organelle) | Column B (Function) | ||
| 1 | leucoplast | a | help in cell division |
| 2 | nucleus | b | transport of material |
| 3 | ribosomes | c | making food |
| 4 | mitochondria | d | digesting foreign bodies |
| 5 | endoplasmic reticulum | e | storage of starch and proteins |
| 6 | golgi bodies | f | making the cell turgid |
| 7 | chloroplast | g | making proteins |
| 8 | centrosome | h | controlling all the vital activities of a cell |
| 9 | vacuole | i | releasing energy |
| 10 | lysosomes | j | synthesis of cell wall in a plant cell |
What was the contribution of the following to our knowledge of cells?
Robert Hooke
I take part in food production of a cell. Who am I? ____
Nerve cell is the longest cell
