Question

1. In which test tube would you expect the greatest increase in dry weight of the pondweed?

2. In which test tube would you expect to find the plant with the least amount of starch?

3. The test tube in which most oxygen would be found is

4. The test tube in which least carbon dioxide would be found is

5. The test tube in which the plant would survive for the shortest length of time​

Answer 1

Explanation:

2.Therefore, it will show least amount of starch. Plant in tube 1 is kept in light; hence, it will perform photosynthesis and produce oxygen. No snail is present there to consume oxygen in this tube along with the plant. Thus, maximum oxygen will be present in it.

Answer 2

Answer:

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