The term 'polyadelphous' is related to 

1. gynoecium

2. androecium

3. corolla

4. calyx

Tricarpellary, syncarpous and gynoecium is found in flowers of

1. Solanaceae

2. Fabaceae

3. Poaceae

4. Liliaceae

Which of the following is not a stem modification?

1. Thorns of citrus

2. Tendrils of cucumber

3. Flattened structures of Opunita

4. Pitcher of Nepenthes

Diadelphous is found in

1. Pea

2. Citrus

3. China rose

4. Lily

Radial symmetry is found in the flowers of?

1. Brassica

2. Trifolium

3. Pisum

4. Cassia

Free-central placentation is found in?

1. Dianthus

2. Argemone

3. Brassica

4. Citrus

Coconut fruit is a:

1. Berry

2. Nut

3. Capsule

4. Drupe

In Bougainvillea thorns are the modifications of:

1. Adventitious root

2. Stem

3. Leaf

4. Stipules

Root hairs develop from the region of:

1. Elongation

2. Root cap

3. Meristematic activity

4. Maturation