Question
 Which statement provides the most accurate information
about earthquake waves?ÂSolution
The shadow zone of P-waves is in the form of a band between 105 to 145 degrees while that of S-waves is all areas beyond 105 degrees. Thus, the shadow zone of S-waves is much larger than the P-waves. Surface waves are the most damaging waves in terms of losses caused to the life and property of the people. Most of the Earthquake waves vibrate in the direction perpendicular to the direction of the propagation of the waves.Â
Rainfall erosion depends upon the following except one. Identify the odd one.
Nitrate levels in drinking water above mg/litre are considered us human health hazard
Which one is the infective stage of Rotylenchulus reniformis?
A. Preadult female
B. 2 stage juvenile
C. 3 stage juvenile
D. ...
‘Adulterant' means:
The rearing of young bee to replace the old queen bee is
Domination of weed causes:
Based on the design, there are commonly four types of share. Which of the following is NOT among the four?
Aluminium Phosphide is used to control stored grain pest @_____
The burning of trashes, weeds or any organics refuse on the soil surface in tobacco for the sterilization of nursery bed is known as ______Â
Weight of submitted samples for moisture estimation of species that have to be ground shall be