Match the following columns :
Column A
1. Lettuce Leaves
2. Banyan Leaves
B. Mango Leav
es
Banana Leaves
Mint Leaves
Column B
a. Curing indigestion
Plate
Salad
d. Decoration and pooja
Pattal
Answers
Answer:
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BIOLOGY
Match the items in Column I with Column II and choose the correct option.
List I List II
A Human urine 1 Cytokinin
B Gibberella fujikuroi 2 Auxin
C Herring fish DNA 3 Ethylene
D Ripening fruits 4 Abscisic acid
E Aged leaves of plants 5 Gibberellins
January 17, 2020
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Dhamu Pawar
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ANSWER
Human urine - auxin. Human urine commonly shows the presence of Indole acetic acid, compound having similar properties to that of auxin.It was first discovered in 1931 by Kogl and Haagen Smit, five years earlier the discovery of auxins.
Gibberella fujikori - Gibberellin. G.fujikori is a fungal plant pathogen. It causes bakane disease in rice seedlings, by overloading them with the phytohormone; gibberellin as its own metabolic product.
Herring fish DNA - cytokinin. Cytokinins were first discovered in 1955 as promoters of cell division in the DNA of Herring sperm. Since, that discovery many different compound with cytokinin activity have been discovered, both natural and synthetic (diphenyurea).
Ripening fruits - ethylene. Ethylene is the only phytohormone present in gaseous state. It helps in inducing early ripening when sprayed to fruits.
Aged leaves of plants - ABA. Abscissic acid promotes the early aging of leaves, also called as senescence. Aging, dormancy of buds, inducing stomatal closure, inhibiting fruit ripening, etc, are the functions of ABA.
Thus, the correct answer is option A.
Explanation:
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