The new crop Triticale was developed by intergeneric hybridization between which of the following?

Which selection method is used for vegetative propagation in plants?

Select the mismatched pair with respect to mutated varieties of crops.

The germplasm collections are usually maintained at a $A$ temperature in the form of $B$. Here $A$ and $B$ refer to:

Hybrid vigour is mostly due to

The various methods of crop improvement are:
$I$. Selection
$II$. Hybridization
$III$. Polyploidy
$IV$. Mutation breeding
$V$. Genetic engineering
Choose the correct option.