Double-helical structure of DNA was given by whom?

Statements:           All eleven are twelve.

Some twelve are thirteen. 

All thirteen are fourteen

Statement:

Only a few Cricket is Kabaddi.

All Cricket is Volleyball.                     

No Kabaddi is Football.

. Statements:

Some ovens are microwaves.

Only a few microwaves are toasters

No oven is a grinder

Conclusions:

Statements:

All Planets are Satellites.

Only few Satellites are Comets.

Only few Comets are Constellation.

Statements:

Some Cricket is Polo.

Only a few Polo is Golf.

All Golf is Football.

Conclusions:

Statements:

All Rose are Lily.

No Lily is Lotus.

Some Lotus are Daisy.

Some Daisy are not Sunflower.

Statements:

All Shark are Fish.

No Fish is a Whale.

Some Whale are Dolphin.

Conclusion:

Statements:

Only a few Test is Attempt.

No Solution is Test.

Some Question is Attempt.

Conclusions:

Statements : All glasses are cups

No cups are spoons.

Some spoons are forks.

Conclusions : I. Some forks are cups.

Statements:

Only Market are Share.

Some Markets are Stocks.

Only a few Fund is Stock.

Conclusions: