Coconut fruit is a
1. drupe
2. berry
3. nut
4. capsule
Root hairs develop from the region of
(1) maturation
(2) elongation
(3) root cap
(4) meristematic activity
Cotyledon of maize grain is called
1. coleorhiza
2. coleoptile
3. scutellum
4. plumple
The term 'polyadelphous' is related to
1. gynoecium
2. androecium
3. corolla
4. calyx
Free-central placentation is found in
(1) Dianthus
(2) Argemone
(3) Brassica
(4) Citrus
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
In Bougainvillea, thorns are the modifications of
(1) stipules
(2) adventitious root
(3) stem
(4) leaf
Tricarpellary, syncarpous and gynoecium is found in flowers of
1. Solanaceae
2. Fabaceae
3. Poaceae
4. Liliaceae
Radial symmetry is found in the flowers of
(1) Brassica
(2) Trifolium
(3) Pisum
(4) Cassia
How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, raddish, gram and turnip have stamens with different lengths in their flowers?
(1) Three
(2) Four
(3) Five
(4) Six