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WorksheetsIPH2053 Plant propagation
Total questions: 10
Worksheet time: 5mins
Which among the following is the most common method of pollination in flowers without petals?
wind
water
insects
all the above
Earthworms and leeches belong to which phylum?
arthropoda
annelida
hemichordata
chordata
Which fertilizer produce acidity in soil
Ammonium sulfate
Sodium nitrate
Calcium ammonium nitrate
Calcium nitrate
Soil colloidal particle shows the phenomena
Plasticity
Adhesion and cohesion
Flocculation
All of the above
Microorganism involve in conversion from nitrite to nitrate
Nitrosomonas
Nitrobactor
Pseudomonas
Bacillus
Aroma of earthy smell in first shower of monsoon is due to _____
Actinomycetes
Bacteria
Fungi
None of the above
Red colour of soil is due to _____
Hematite
Geothite
Glauconite
Maghemite
Which instrument is used for the estimation of potash (K)
Spectrophotometer
Flamephotometer
Colorimeter
Atomic absorption
Spectrophotometer is used for determination of _____ in soil
nitrogen
phosphorus
potassium
all the above
Which of the following is a ripening hormone
GA-3
Auxin
Cytokinin
Ethylene
