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Sonar (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water.
____ is the grafting done on old established trees to upgrade seedling plantations of inferior varieties.
Difference between the soil water content at field capacity and wilting point water is called
Match List-I with List-II
Choose the correct answer f...
In backcross method of breeding, the hybrid and the progenies in the subsequent generation are repeatedly ba...
Nucleic acids are:
Which one of the following is an area of a crop commanded by one cusec flow in a season?
Match List-I with List-II and select the correct answer using the codes given below the lists.
Amino acid which is deficient in sorghum?
King of Pippin is the variety of ......
Which one of the following is not a component of ‘disease triangle’