Ernst Munch proposed that transport through the phloem results from differences between the pressure in leaves and roots.

A potted plant with variegated leaves was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours and then placed in bright sunlight for a few hours. Observe the diagrams and answer the questions:

(i) What aspect of photosynthesis is being tested in the above diagram?

(ii) Represent the process of photosynthesis in the form of a balanced equation.

(iii) Why was the plant kept in the dark before beginning the experiment?

(iv) What will be the result of the test performed on leaf ‘A’ shown in the diagram ? Give an example of a plant with variegated leaves.

(v) Draw a neat labelled diagram of a chloroplast.

The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow:

Write a well-balanced chemical equation for the process of photosynthesis.

The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow:

Explain the term Photosynthesis.

Name the green dots contained by the leaves. What function do they perform?

The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the following question

Give a balanced chemical equation to represent the process of photosynthesis.

The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow:

What will you observe when the leaf A is tested for starch?

The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow:

Which factor is being studied here?

The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the following question

Explain the process of Photosynthesis.

The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow:

What is the purpose of keeping KOH in the flask?

The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the following question

Name the factor studied in this experiment.

The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the following question

Draw a neat, labelled diagram of an experimental setup to show that oxygen is released during photosynthesis.

The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the following question

What will you observe in the experimental leaf after the starch test?

Arrange the following steps in the correct order to show the movement of water up the stem.

1. The water moves along the narrow tubes in the stem.

2. The water and minerals go the leaves and other plant parts attached to the stem.

3. Roots absorb water from the soil.

4. Water moves from the roots to the stem.