Anatomy of Stems Quiz

What is the outermost layer of the sunflower stem?

• Pericycle

• Cortex

• Pith

• Epidermis

Which part of the sunflower stem helps in protection and heat loss?

• Cortex

• Pith

• Epidermis

• Pericycle

What is the function of the hypodermis in the sunflower stem?

• Mechanical support

• Photosynthesis

• Gaseous exchange

• Storage of food materials

Which region of the sunflower stem stores starch and is often called a starch sheath?

• Cortex

• Endodermis

• Epidermis

• Pericycle

What is the function of medullary rays in the sunflower stem?

• Mechanical support

• Photosynthesis

• Radial conduction of water and food materials

• Storage of food materials

Where are the vascular bundles located in the sunflower stem?

• Epidermis

• Pith

• Pericycle

• Cortex

What type of stem is characterized by conjoint, collateral, open vascular bundles arranged in a ring?

• Eustele stem

• Dicot stem

• Monocot stem

• Atactostele stem

Which type of stem has a single layered cuticularised epidermis with stomata?

• Atactostele stem

• Monocot stem

• Dicot stem

• Eustele stem

What is the function of the hypodermis in the monocot stem?

• Storage of food materials

• Gaseous exchange

• Photosynthesis

• Mechanical strength

Where are the vascular bundles located in the monocot stem?

• Epidermis

• Pith

• Hypodermis

• Ground tissues