Plants which produce characteristic pneumatophores and show vivipary belong to:
1. Halophytes
2. Psammophytes
3. Hydrophytes
4. Mesophytes
The wheat grain has an embryo with one large, shield-shaped cotyledon known as?
1. epiblast
2. coleorrhiza
3. scutellum
4. coleoptile
Roots play an insignificant role in the absorption of water in:
1. Sunflower
2. Pistia
3. China rose
4. Wheat
Axile placentation is present in?
1. Dianthus
2. Lemon
3. Pea
4. Argemone
Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
1. Five
2. Six
3. Three
4. Four