Question : Azolla increases soil fertility for
Option 1: Maize cultivation
Option 2: Wheat cultivation
Option 3: Barley cultivation
Option 4: Rice cultivation
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Correct Answer: Rice cultivation
Solution : The correct option is Rice cultivation.
Azolla is a small aquatic plant that can help increase soil fertility, notably in rice farming. It is well known for its capacity to fix atmospheric nitrogen via a symbiotic connection with Azolla-Anabaena, a nitrogen-fixing cyanobacterium.
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Question : Three crops that contribute maximum to global food grain production are ----------
Option 1: wheat, rice barley
Option 2: rice, maize, sorghum
Option 3: wheat, maize, sorghum
Option 4: wheat, rice, maize
Question : A good proportion of the ______ produced during the Green Revolution period (available as marketed surplus) was sold by the farmers in the market.
Option 1: rice and gram
Option 2: wheat and maize
Option 3: wheat and rice
Option 4: wheat and gram
Question : Which of the following are Rabi crops only?
Option 1: Maize and peas
Option 2: Barley and gram
Option 3: Paddy and cotton
Option 4: Wheat and jowar
Question : The maximum area under crops in India is used for the cultivation of :
Option 1: Wheat
Option 2: Rice
Option 3: Sugarcane
Option 4: Cotton
Question : Which among the following crops is related to the “Rabi” season in North India?
Option 1: Rice
Option 2: Jowar
Option 3: Maize
Option 4: Barley
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