100

A leaf is a _______, flattened and expanded structure growing on the _______ or branches of a plant.

A leaf is a THIN , flattened and expanded structure growing on the STEMS or branches of a plant.

100

The petiole holds the ______ firmly.

The petiole holds the leaf blade firmly.

100

The tip of the leaf is called the __________ ________.

The tip of the leaf is called the LEAF APEX.

200

It grows directly from the _____ on the stem.

It grows directly from the NODES on the stem.

200

The part of the petiole that is attached to the stem is called the ___________.

The part of the petiole that is attached to the stem is called the LEAF BASE.

200

A thick vein known as the ___________ runs centrally through the leaf blade from the leaf base to the leaf apex.

A thick vein known as the MIDRIB runs centrally through the leaf blade from the leaf base to the leaf apex.

300

It is typically green due to the presence of ____________ in its cells.

It is typically green due to the presence of CHLOROPHYLL in its cells.

300

The leaf blade is also known as the _________.

The leaf blade is also known as the LAMINA.

300

Veins conduct ___, _____, ____ throughout a leaf.

Veins conduct WATER, MINERALS AND FOOD throughout a leaf.

400

A typical leaf consists of two main parts - The _________ and the __________.

A typical leaf consists of two main parts - The petiole and the leaf blade.

400

The ___________ part of the plant prepares the food for the plant.

The LEAF BLADE part of the plant prepares the food for the plant.

500

The petiole is the stalk that attaches the leaf to the _______.

The petiole is the stalk that attaches the leaf to the STEM.

500

The outline of the leaf is called the __________ _________.

The outline of the leaf is called the LEAF MARGIN.