Read the function of parts of a plant given below:
(a) Fixes plant to the soil.
(b) Prepares starch.
(c) Takes part in reproduction.
(d) Supports branches and bears flowers.
In the diagram given below, write the names of the parts with functions.

  

Draw the veins of leaves given in the picture below and write the type of venation.

Observe the figure and attempt the question that follows it.

Label the parts $1, 2, 3$ and $4$ in the diagram.

Observe the figure and attempt the question that follows it.

What type of venation does the leaf have?

Observe the figure and attempt the question that follows it:

What type of venation is seen in grass leaves?

Observe the picture of an activity given below carried out with leaves of plant and polythene bag.

Now answer the following:

Which process is demonstrated in the activity?

Observe the picture of an activity given below carried out with leaves of plant and polythene bag.

Now answer the following:

When will this activity show better results: On a bright sunny day or a cloudy day?

Observe the picture of an activity given below carried out with leaves of plant and polythene bag.

Now answer the following:

What will you observe in the polythene bag after a few hours of setting up the activity?

Observe the picture of an activity given below carried out with leaves of plant and polythene bag.

Now answer the following:

Mention any of the precautions you must take while performing this activity.