Difference between revisions of "Plant tissues Meristematic tissue activity1"
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| + | =Activity No # 1 - '''Observation of growth of root tips in onion'''= | ||
| + | |||
| + | ==Estimated Time== | ||
| + | 5 days | ||
| + | |||
| + | ==Materials/ Resources needed== | ||
| + | 2 glass jars, water, 2 onion bulbs, pair of scissors, note book, pencil etc. | ||
| + | |||
| + | ==Prerequisites/Instructions, if any== | ||
| + | Observe the growth of roots every morning for 5 days. | ||
| + | |||
| + | ==Multimedia resources== | ||
| + | ==Website interactives/ links/ simulations== | ||
| + | ==Process (How to do the activity)== | ||
| + | *Take two glass jars and fill them with water. | ||
| + | *Take two onion bulbs and place them one on each jar so that the roots of the bulbs dip in water. | ||
| + | *Observe the root tips every morning and record their growth till the second day. | ||
| + | *On the third day cut the root tips of the onion bulb in the second jar. | ||
| + | *Record the growth of root tips in both the jars till the fifth day. | ||
| + | |||
| + | ==Developmental Questions (What discussion questions)== | ||
| + | #Which of the two onions have longer roots? | ||
| + | #Do the roots grow even after the root tips were cut in jar two? | ||
| + | |||
| + | ==Evaluation (Questions for assessment of the child)== | ||
| + | *Why would the root tips stop growing in the jar two after cutting them? | ||
| + | *Which tissue is necessary for the growth of the root tips? | ||
| + | |||
| + | ==Question Corner== | ||
| + | |||
| + | '''To link back to the topic page''' | ||
| + | [http://karnatakaeducation.org.in/KOER/en/index.php/Organisation_of_cells_plant_tissues'''Plant Tissues''' Back] | ||
Latest revision as of 15:52, 27 August 2014
Activity No # 1 - Observation of growth of root tips in onion
Estimated Time
5 days
Materials/ Resources needed
2 glass jars, water, 2 onion bulbs, pair of scissors, note book, pencil etc.
Prerequisites/Instructions, if any
Observe the growth of roots every morning for 5 days.
Multimedia resources
Website interactives/ links/ simulations
Process (How to do the activity)
- Take two glass jars and fill them with water.
- Take two onion bulbs and place them one on each jar so that the roots of the bulbs dip in water.
- Observe the root tips every morning and record their growth till the second day.
- On the third day cut the root tips of the onion bulb in the second jar.
- Record the growth of root tips in both the jars till the fifth day.
Developmental Questions (What discussion questions)
- Which of the two onions have longer roots?
- Do the roots grow even after the root tips were cut in jar two?
Evaluation (Questions for assessment of the child)
- Why would the root tips stop growing in the jar two after cutting them?
- Which tissue is necessary for the growth of the root tips?
Question Corner
To link back to the topic page Plant Tissues Back