Which of the following crop is major foreign exchange earner for Sri Lanka?
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Which insect sits on uncovered food?
Both flies and bees can sit on the uncovered food and contaminate the food.
Quality of transmission depends upon
Quality of transmission is governed both by nature of signal and nature of communication channel/medium.
Which of the following does not contain the material particles
A benefit of the three-tier architecture is which of the following?
Translation of the dna sequence AAGCTGGGA would result in
The period after parturition in which animal produces milk is called as _____
Water pollution of a river is measured by_______