Q. Red Delicious is a variety of -
1) Mango
2) Papaya
3) Apple
4) Guava
Q. The number of essential mineral elements of plant is -
1) 16
2) 21
3) 13
4) 20
Q. Sulphur-coated Urea contains N -
1) 21%
2) 33%
3) 40%
4) 26%
Q. Granite is a .... rock.
1) Metamorphic
2) Igneous
3) Sedimentary
4) None of these
Q. Chemical formula of pyrite is--
1) FeS
2) CuS
3) MnS
4) FeS2
Q. Soil fertility is reduced due to -
1) Over irrigation
2) Poor drainage
3) Imbalanced use of fertilizers
4) Continuous cropping
Q. Anemometer measures -
1) Wind direction
2) Relative humidity
3) Net radiation
4) Wind velocity
Q. Damping-off disease of vegetable nursery can be controlled by-
1) Solarization
2) Mixing of fungicides in soil
3) Seed treatment
4) All of these
Q. Whiptail is a disorder of cauliflower due to deficiency of -
1) Zinc
2) Boron
3) Potassium
4) Molybdenum
Q. The colour of tomato is due to the presence of--
1) Carotene
2) Lycopin
3) Anthocyanin
4) Xanthomonas
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