Agronomy - Study Mode

[#221] Red rot of sugarcane is caused by
Correct Answer

(D) Colletotrichum

Explanation

Solution: Red rot disease in sugarcane is caused by the fungus Colletotrichum falcatum . In this infection, red and white patches are found within the cane along with a sour alcoholic odor when the cane is split open. The spindle leaves start drying in an earlier stage of infection and at a later stage, stalks become discoloured and hollow.

[#222] Continuous variation in atmospheric pressure is recorded by
Correct Answer

(B) Barograph

Explanation

Solution: The barometer is the instrument that measures atmospheric pressure. While Barograph is a self-recording barometer, it records the readings of any change in the pressure on a moving chart. Thus, continuous variation in atmospheric pressure is recorded by Barograph .

[#223] Queen of oilseeds' is
Correct Answer

(D) Sesame

Explanation

Solution: Sesame is called as "Queen of oilseeds" because of its high quality polyunsaturated stable fatty acids that restrain oxidative rancidity. It is also stable due to the natural antioxidants such as sesamin, sesamolin, sesamol and sesamolinol that reduce the rate of oxidation. It also contains an essential nutrient in a significant amount that is vitamin K, providing 17% per 100gms.

[#224] In these Food grains, Highest Biological value is of
Correct Answer

(B) Mung bean

Explanation

Solution: Biological value is a measure of the proportion of absorbed protein from food that becomes incorporated into proteins of the organism's body which ultimately means the least time required by the digested protein to be used in the protein synthesis process in a cell of an organism. The proteins from animal sources have a higher biological value than the protein obtained from plant sources. Out of all the options given, the mung bean has the highest biological value.

[#225] World Environmental Day celebrated in
Correct Answer

(D) 5 th June

Explanation

Solution: 5 th June of every year is celebrated as World’s Environment Day . This day was first observed in the year 1974 in the city of Spokane, USA. The first celebration, under the slogan, "Only one Earth" took place. It is a platform to raise awareness of the problems faced by our environment like Air pollution, illegal wildlife trade, sustainable consumption, global warming, food security, etc.