A gas produced by anaerobic decomposition of organic compounds is called as_________________?
A. Ethane
B. Methane
C. Ammonia
D. CO2
Green vegetables are the source of___________________?
Green vegetables are the source of___________________?
A. Biotin
B. Carbohydrates
C. Folate
D. Vitamin
Solar energy emitted by sun reaches the earth surface absorbed and returned back in the form of___________________?
Solar energy emitted by sun reaches the earth surface absorbed and returned back in the form of___________________?
A. Infra blue radiation
B. Infra red radiation
C. X rays
D. None of the above
Plants grown in dry region are_________________?
Plants grown in dry region are_________________?
A. Xerophytes
B. Thermophyts
C. Mesophytes
D. Halophytes
The ratio of actual cultivated’ area to a total farm area over the year is called __________________?
The ratio of actual cultivated’ area to a total farm area over the year is called __________________?
A. Cropg pattern
B. Cropg intensity
C. Cost benefit ratio
D. Cropg system
Accumulation of transported material A to B horizon is known as____________________?
Accumulation of transported material A to B horizon is known as____________________?
A. Eluviation
B. llluviation
C. Alluviation
D. Deposition
Removal of cellular water followed by shrinkage of protoplasm is due to
Removal of cellular water followed by shrinkage of protoplasm is due to
A. Oxidation
B. Deplasmolysis
C. Osmosis
D. Plasmolysis
Geographical area of Pakistan in million hectare is_______________?
Geographical area of Pakistan in million hectare is_______________?
A. 60
B. 80
C. 95
D. none of the above
The equipment used for separating, cleaning and grading small seeds from given sample is______________?
The equipment used for separating, cleaning and grading small seeds from given sample is______________?
A. Seed blower
B. Seed sorter
C. Seed divider
D. a and b
The enzyme responsible for biological nitrogen fixation is________________?
The enzyme responsible for biological nitrogen fixation is________________?
A. Lipase
B. Nitrogenase
C. Isomerase
D. Kinease