Which floral family has (9) + 1 arrangement of anthers in the androecium?
1. Malvaceae
2. Rutaceae
3. Fabaceae
4. Caesal pinaceae
Coconut's husk fibre, coir of commerce is extracted from
1. epicarp
2. mesocarp
3.endocarp
4. all of these
The given figure shows L.S of the seed of maize. What do A, B, C, and D represent?
(1) |
A : endosperm |
B : scutellum |
|
C : plumule |
D : coleoptile |
(2) |
A : scutellum |
B : pericarp |
|
C : radicle |
D : coleoptile |
(3) |
A : endosperm |
B : scutellum |
|
C : radicle |
D : coleorrhiza |
(4)
|
A : scutellum C : plumule |
B : pericarp D : coleorrhiza |
Plants having the above given floral diagram are
(1) leguminous
(2) dicots
(3) medicinal and perennial
(4) having pinnately compound leaves
Flower of Liliaceae is
(1) actinomorphic
(2) epipetalous
(3) pentamerous
(4) imperfect
The floral formula represents
(1) Solanum nigrum
(2) Hibiscus rosa-sinensis
(3) Citrus aurantum
(4) Brassica campestirs
Which of the following is incorrect about A, B, C and D:
(1) Tap roots of carrot, turnip and adventitious root of sweet potato, get swollen and store food
(2) Pneumatophores help to get oxygen for respiration
(3) Pneumatophore is found in the plants that grow in sandy soil
(4) A, B and C are underground roots but D grows vertically upwards
Thorn of Citrus and Bougainvillea is modified:
1. Stem
2. Root
3. Leaf
4. Inflorescence
Offset is one internode-long runner and its each node bears rosette of leaves and a tuft of roots. It is found in aquatic plants like:
1. Hydrilla
2. Pistia
3. Eichhornia
4. Both (2) and (3)
Leafbase is swollen to form pulvinus in:
(1) Some leguminous plants
(2) Some crucifers
(3) Some monocots
(4) Some cycads