Identify the correct statement regarding the stem morphology from the following:
I: | Stems bear only axillary buds. |
II: | Axillary buds may get modified into thorns as in Citrus |
III: | Stem tendrils develop from axillary buds as in gourds. |
1. | Only I and II | 2. | Only I and III |
3. | Only II and III | 4. | I, II and III |
The type of placentation show in the given figure is seen in:
1. | Dianthus | 2. | Argemone |
3. | China rose | 4. | Marigold |
The given floral diagram can be of:
1. Asparagus
2. Atropa belladonna
3. Mustard
4. Indigofera
Match the columns A and B:
Column I | Column II | ||
(a) | Marginal placentation | (i) | Marigold |
(b) | Axile placentation | (ii) | Dianthus |
(c) | Parietal placentation | (iii) | Argemone |
(d) | Free central placentation | (iv) | Chinarose |
(e) | Basal placentation | (v) | Pea |
(a) | (b) | (c) | (d) | (e) | |
1. | (v) | (iv) | (iii) | (ii) | (i) |
2. | (v) | (iii) | (iv) | (i) | (ii) |
3. | (iv) | (iii) | (v) | (ii) | (i) |
4. | (i) | (v) | (iv) | (iii) | (ii) |
An inferior ovary:
1. | is situated on the receptacle above the perianth and androecium. |
2. | is positioned below the sites of attachment for perianth and androecium. |
3. | forms a hypanthium. |
4. | is positioned below the receptacle. |
is the floral formula of
1. Allium
2. Sesbania
3. Petunia
4. Brassica
Keel is the characteristic feature of flower of
(1) tulip
(2) Indigofera
(3) Aloe
(4) tomato
The wheat grain has an embryo with one large, shield-shaped cotyledon known as
(1) epiblast
(2) coleorrhiza
(3) scutellum
(4) coleoptile
In ginger vegetative propagation occurs through
(1) rhizome
(2) offsets
(3) bulbils
(4) runners
Plants, which produce characteristic pneumatophores and show vivipary belong to
(1) mesophytes
(2) halophytes
(3) psammophytes
(4) hydrophytes