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2051. Which of the following chemicals is directly responsible for the shedding of a leaf from a plant ?
A. Acetic Acid
B. Indole-3-acetic acid
C. Abscisic acid
D. Carbonic acid
Explanation:
2052. Balanced diet contains
A. macro and micro nutrients
B. animal proteins
C. proteins and vitamins
D. growth food nutrients
Explanation:
2053. Whydo migratory birds go back to their earlier habitat in spring ? Because of
A. weather becoming too hot in the regions
B. scarcity of food in the regions to which they have migrated
C. breeding instinct with change in climate and they breed only in their original habitat
D. hunting season commencing in spring
Explanation:
2054. Which of the following are fed to cattle ? 1. Sugarcane tops 2. Sugarcane leaves 3. Sugarcane baggasse 4. Sugarcane jaggery
A. 1 and 3
B. 2 and 3
C. 1, 2 and 3
D. 1, 2, 3 and 4
Explanation:
2055. Wilsons disease is caused by the ecxcess of ............ in human body.
A. sodium
B. iron
C. copper
D. cobalt
Explanation:
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