The diagram shows the life cycle of a tomato plant.
Describe the processes that take place in the life cycle of a tomato plant. Use the diagram to help you.
Important Questions on Sexual Reproduction in flowering Plants
Complete the labels in the diagram using these words:
Moninder wants to find out the best temperature for mustard seeds to germinate. He uses three Petri dishes. Each dish has a layer of moist tissue paper covered with 30 mustard seeds. Moninder puts one dish in a warm cupboard, one in a cool cupboard and one in a refrigerator. He waters all of the seeds regularly for 21 days. His results for the first four days are shown in the table.
| Number of germinated mustard seeds | Number of germinated mustard seeds | Number of germinated mustard seeds | Number of germinated mustard seeds | |
| Day 1 | Day 2 | Day 3 | Day 4 | |
| Warm cupboard | 0 | 5 | 20 | 24 |
| Cool cupboard | 0 | 2 | 8 | 14 |
| Refrigerator | 0 | 0 | 0 | 0 |
How many seeds had germinated by day 4 in the warm cupboard?
Moninder wants to find out the best temperature for mustard seeds to germinate. He uses three Petri dishes. Each dish has a layer of moist tissue paper covered with 30 mustard seeds. Moninder puts one dish in a warm cupboard, one in a cool cupboard and one in a refrigerator. He waters all of the seeds regularly for 21 days. His results for the first four days are shown in the table.
| Number of germinated mustard seeds | Number of germinated mustard seeds | Number of germinated mustard seeds | Number of germinated mustard seeds | |
| Day 1 | Day 2 | Day 3 | Day 4 | |
| Warm cupboard | 0 | 5 | 20 | 24 |
| Cool cupboard | 0 | 2 | 8 | 14 |
| Refrigerator | 0 | 0 | 0 | 0 |
What conclusion can you draw from Moninder's results?
The diagram shows the flower of a lily plant. This lily is pollinated by insects.
Imran has three different seeds, each with a different shape. He wants to investigate which seed will be dispersed over the furthest distances. He drops each seed from a height of 2 metres and measures how far the seed travels horizontally.
| Seed | Distance travelled (cm) | Distance travelled (cm) | Distance travelled (cm) |
| A | 74 | 48 | 68 |
| B | 3 | 6 | 4 |
| C | 0 | 1 | 1 |
How could lmran make his results more accurate?
