20 Questions
What is the role of abscisic acid in plants?
Dormancy of embryo, dropping of ripened leaves and fruits
How does ethylene affect plants?
Ripening of leaves and fruits; excess amount causes dropping of leaves and fruits
What are the functions of auxin in plants?
Cell growth, cell elongation, promoting the growth of terminal buds, fruit formation
What is the role of cytokinin in plant cells?
Cell growth, cell division, cell differentiation
How does gibberellin stimulate plant processes?
Stimulates breakdown of stored food to facilitate germination, sprouting of leaves
What are the effects of bacteria on plants?
Blight disease in paddy, Wilt disease in brinjal
Which diseases are caused by viruses in plants?
Mosaic disease in peas and tapioca, Bunchy top of banana
What are examples of diseases caused by fungi in plants?
Quick wilt in pepper, Bud rot of coconut
How does wax covering and cuticle protect plants?
Prevents the entry of germs through leaves
What role does the cell wall play in plant protection?
Provides a well-equipped resistant coat
The excess amount of ethylene causes dropping of ______ and fruits.
leaves
Bacteria causes blight disease in ______.
paddy
Virus causes mosaic disease in ______ and tapioca.
peas
Quick wilt in pepper is caused by ______.
fungus
Wax covering and cuticle prevent the entry of germs through ______.
leaves
Bark protects the inner cells from direct contact of ______.
pathogens
Ardipithecus ramidus is the most primitive member of the ______ race, fossils were discovered from Africa.
human
Australopithecus afarensis had a slender ______, fossils were discovered from Africa.
body
Homo habilis made weapons from stones and bone pieces, fossils were discovered from ______.
Africa
Chemical substances such as lignin, cutin, suberin, etc. provide rigidity to the ______ wall.
cell
Test your knowledge about plant hormones such as abscisic acid, ethylene, auxin, cytokinin, gibberellin, as well as pathogen-related topics including bacteria and blight disease. Explore the effects of these hormones and diseases on plant growth and development.
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