Lab # 2
Title: Storage Organs
Date:
Aim: To observe, draw and label different plant storage organs.
Materials: potato, onion
Procedure: 1. Collect all materials.
2. Observe carefully each storage organs.
3. Draw a clear labelled drawing of each storage organs.
Observation: (Drawing of storage organs following the drawing skill guidelines below)
Discussion: (Answer questions in a paragraph form in complete sentences.)
1. What is asexual reproduction?
2. Describe the two storage organs.
3. Explain the importance of storage organs
Conclusion: (Answers your aim)
Answers
1. What is asexual reproduction?
answer= Asexual reproduction is a type of reproduction that does not involve the fusion of gametes or change in the number of chromosomes. Asexual reproduction is the primary form of reproduction for single-celled organisms such as archaea and bacteria.
2. Describe the two storage organs.
answer= Examples of storage organs include: Bulbs – Modified leaf bases (found as underground vertical shoots) that contain layers called scales (e.g. onions) Storage Roots – Modified roots that store water or food in an enlarged central stele (e.g. carrots)
3.Explain the importance of storage organs
answer= A storage organ is a part of a plant specifically modified for storage of energy (generally in the form of carbohydrates) or water. Storage organs often, but not always, act as perennating organs which enable plants to survive adverse conditions (such as cold, excessive heat, lack of light or drought).
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