Multiple Choice QuestionsWhich one of the following pairs, is not correctly matched?
Abscisic acid - Stomatal closure
Gibberellic acid - Leaf fall
Cytokinin - Cell division
Cytokinin - Cell division
Pineapple (ananas) fruit develops from
a unilocular polycarpellary flower
a multipistillate syncarpous flower
a cluster of compactly borne flowers on a common axis
a cluster of compactly borne flowers on a common axis
C.
a cluster of compactly borne flowers on a common axis
The fruit of Ananas comosus (pineapple or ananas) is sorosis, (a type of multiple fruits), developing from spike, spadix or catkin. In this type, the flowers associate by their succulent tepals, the axis bearing them grows and becomes fleshy or woody, thus, the whole inflorescence turns into a compact fruit.
Fruit and leaf drop at early stages can be prevented by the application of
Cytokinins
Ethylene
Auxins
Auxins
The Golgi complex participates in
Fatty acid breakdown
Formation of secretory vesicles
Activation of amino acid
Respiration in bacteria
Pneumatophores occur in
Halophytes
Free-floating hydrophytes
Submerged hydrophytes
Carnivorous plants
Which one of the following generally acts as an antagonist to gibberellins?
Zeatin
Ethylene
ABA
IAA
Phellogen and phellem respectively denote
Cork and cork cambium
Cork cambium and cork
Secondary cortex and cork
Cork and secondary cortex
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