Agronomy - Study Mode
[#676] One ton is equal to (kg)
Correct Answer
(C) 1000
Explanation
Solution: One ton is equal to 1000 kgs. One ton = 9.07 quintal One ton = 2204.62 pounds. It is a unit to measure weight. Originally it was used as a measurement of volume.
[#677] The weed that causes Asthma is-
Correct Answer
(C) Parthenium
Explanation
Solution: Parthenium hysterophorous is an invasive species belonging to the family Asteraceae. It invades disturbed land, including roadsides. It infests pastures and farmland also known as famine weed. This plant produces allelopathic chemicals that suppress crop and pasture plants and allergens that affect humans and livestock. This weed causes respiratory problems and can trigger asthmatic allergies.
[#678] Sugarcane is planted furrow because
Correct Answer
(C) It reduces lodging
Explanation
Solution: Sugarcane is planted by three main methods, Flat planting, trench method, and furrow planting. In furrow planting, furrows are made with a sugarcane ridge about 10 - 15 cms deep and setts are planted end to end in the furrows and covered with 5 - 6 cms soil, leaving the upper portion furrows unfilled. This practice reduces lodging.
[#679] Ethylene concentration for degreening is
Correct Answer
(C) 20 ppm
Explanation
Solution: Degreening is the process of removing the green coloring from the skin of citrus fruit, with the motive to show it as ripe. This is achieved by adding a measured amount of ethylene gas in a temperature and humidity controlled environment. It is approximately 20 ppm.
[#680] India tops the world in the production of
Correct Answer
(D) Pulses
Explanation
Solution: India is the world’s largest producer of milk, pulses and jute and ranks as the second largest producer of rice, wheat, sugarcane, groundnut, vegetables, fruit and cotton. Our country is also one of the leading producers of spices, fish, poultry, livestock and plantation crops.