Morphine is the predominant alkaloid found in the varieties of opium poppy plant. It is obtained in form of liquid from the fruit capsule of the poppy. The latex which oozes from the incisions is collected, and dried to produce “raw opium” (about 8-14% morphine by dry weight).

Correct Option: D

Morphine is the predominant alkaloid found in the varieties of opium poppy plant. It is obtained in form of liquid from the fruit capsule of the poppy. The latex which oozes from the incisions is collected, and dried to produce “raw opium” (about 8-14% morphine by dry weight).

Cultivable land refers to the land capable of being cultivated. It consists of net area sown, total fallow lands (current fallows + fallow lands other than current fallows), culturable wasteland and land under miscellaneous tree crops.

Correct Option: D

Cultivable land refers to the land capable of being cultivated. It consists of net area sown, total fallow lands (current fallows + fallow lands other than current fallows), culturable wasteland and land under miscellaneous tree crops.

Rhizobia are soil bacteria that fix nitrogen after becoming established inside root nodules of legumes. They are the only nitrogen-fixing bacteria living in a symbiotic relationship with legumes. Common crop and forage legumes are peas, beans, clover, and soy.

Correct Option: B

Rhizobia are soil bacteria that fix nitrogen after becoming established inside root nodules of legumes. They are the only nitrogen-fixing bacteria living in a symbiotic relationship with legumes. Common crop and forage legumes are peas, beans, clover, and soy.

An environment encompasses all living (biotic) and non-living things (abiotic) occurring naturally on Earth. It consists of plants, animals and micro-organisms (biotic factors) in an area functioning together with all of the non-living physical (abiotic) factors.

Correct Option: D

An environment encompasses all living (biotic) and non-living things (abiotic) occurring naturally on Earth. It consists of plants, animals and micro-organisms (biotic factors) in an area functioning together with all of the non-living physical (abiotic) factors.

Green undecomposed material used as manure is called green manure. It is obtained in two ways: (a) growing green manure crops usually belonging to leguminous family and incorporating into the soil after sufficient growth or (b) by collecting green leaf from plants grown in wastelands, field bunds and forest. The most important green manure crops are sunnhemp, dhaincha, etc.

Correct Option: D

Green undecomposed material used as manure is called green manure. It is obtained in two ways: (a) growing green manure crops usually belonging to leguminous family and incorporating into the soil after sufficient growth or (b) by collecting green leaf from plants grown in wastelands, field bunds and forest. The most important green manure crops are sunnhemp, dhaincha, etc.