Match the names given under` Column-I` with their relations given under `column-II` , choose the answer which gives the correct combination of the `alphabets` of the two columns `{:("Column-I","Column-II"),(A." Bombyx mori",P." Disease ofmulberry"),(B." Morus alba",q." Centre where silkworm egg are produced and supplied"),(C." Grainage",r." Silk moth"),(D." Powdery mildew",s." Mulberry plant"),(,t." Freshly hatched silkworm"):}`

Options

A. A=q,B=r,C=s,D=t
B. A=r,B=s,C=q,D=p
C. A=r,B=q,C=t,D=s
D. A=s,B=r,C=q,D=t

Answer

B

Explanation

Bombyx mori is the common silk moth. Morus alba is the common variety of mulberry plant. Disease free silkworm eggs are supplied by seed production centres, which are called the grainages. Powdery mildew is the common disease of mulberry plant,