Answer:
A. 4 right handed coil:0, left- handed coil
Explanation:
According to MENDELION CROSS:
We will get NN, Nn,Nn,nn
NN, Nn, Nn are the 3 right handed coiling and nn is left handed coiling.
But in case of shell coiling in snails, maternal inheritance is applied in which offspring is decided only by phenotype.
Maternal traits: Here,female parent has right handed shell coiling. so, all the offsprings will have the same.
Hence, the phenotypic ratio will be:
4 Right handed coil: 0 Left handed coil
Answer:
The pumping of the heart involves the alternate contraction and relaxation of the chambers of the heart. The upper chambers of the heart are called at atria and the lower chambers of the heart are called ventricles.
The alkali metal atom forms a +1 ion. the alkaline metal atom forms a +2 ion.
People with O+ blood cannot donate their blood to negative blood types, while people with O- blood can donate to any blood type. This makes them the "universal donor." However, they can only receive O- blood.
Left Panel
The first one is correct. NaHCO3 breaks down when mixed with vinegar and produces water Carbon Dioxide and Na which will combine with the acetate molecule in the vinegar.
NaHCO3 + HC2H3O2 → NaC2H3O2 + H2O + CO2 is the reaction.
Answer: A
Second from the left
It better not be any of the top three or stores are going to have a run on women's blouses. You have that one right. The other three are chemically neutral except for Ammonia which is basic in water (very week) although it does not smell that way.
Answer: D
Center
When you pick something like C, it cannot be anything but chemical. So C is not the answer.
Ionic bonds are also a chemical property.
Combustion is burning. That's chemical.
You have the right answer in D
Second panel from the right
The bottom three are all characteristics of bases. They are bitter. They are caustic (which means if they are strong enough they can destroy skin or deform it) they have a ph>7.
You have the right answer here A. They turn litmus paper blue.
Right Hand panel
Higher is correct. Pretty good score I'd say.
Answer A
