In the diagram of types of placentation given above 'A', 'B', 'C' and 'D' respectively represent
(1) basal, axile, parietal and free central
(2) free central, parietal, basal and axile
(3) axile, basal, parietal and free central
(4) parietal, axile, free central and basal
Difficulty Level:
Which of the following has synandrous condition
(1) Colocasia
(2) Cucurbita
(3) Mimosa
(4) Ricinus
Difficulty Level:
Following is not true of monocots
(1) most of the food of the seed is stored in endosperm
(2) have parallel veins in their leaves
(3) flower parts occur in fours
(4) flower parts occur in threes
Difficulty Level:
Which floral family has (9) + 1 arrangement of anthers in the androecium?
(1) Malvaceae
(2) Rutaceae
(3) Fabaceae
(4) Caesal pinaceae
Difficulty Level:
Clove is a
(1) floral bud
(2) modified root
(3) auxillary bud
(4) seed
Difficulty Level:
Velamen is a specialized tissue found in
(1) aerial roots of orchids
(2) succulent leaves
(3) pneumatophores
(4) stilt roots
Difficulty Level:
Coconut's husk fibre, coir of commerce is extracted from
(1) epicarp
(2) mesocarp
(3) endocarp
(4) all of these
Difficulty Level:
When the filament runs throughout the length of anther, it is called
(1) adnate
(2) dorsi fixed
(3) versatile
(4) syngenesious
Difficulty Level:
Which of the following is the largest root parasite?
(1) Rafflesia
(2) Areuthobium
(3) Monotrapa
(4) Pistia
Difficulty Level:
The family containing mustard and its main characters are
(1) Brassicaceae - Tetramerous flowers, six stamens, bicarpellary gynoecium, siliqua type fruit.
(2) Brassicaceae - Pentamerous flowers, many stamens, pentacarpellary gynoecium, capsule type fruit
(3) Solanaceae - Pentamerous flowers, five stamens, bicarpellary gynoecium, berry type fruit
(4) Poaceae - Trimerous flowers, three stemens, monocarpellary gynoecium, caryopsis type of fruit
Difficulty Level: