Plants, which produce characteristic pneumatophores and show vivipary belong to

(1) mesophytes

(2) halophytes

(3) psammophytes

(4) hydrophytes

Coconut fruit is a:

In Bougainvillea thorns are the modifications of:

1. Adventitious root

2. Stem

3. Leaf

4. Stipules

Root hairs develop from the region of:

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

Proximal end of the filament of stamen is attached to the

(1) connective

(2) placenta

(3) thalamus or petal

(4) anther