When two unrelated individuals or lines are crossed,the performance of $F_1$ hybrid is often superior to both its parents. This phenomenon is called

Which industry has developed significantly in Gujarat?

At the time of herd improvement by $MOET$,generally $A$ ovum is released from each $B$ at the time of $C$. But by $D$ injection,$E$ ova can be produced from the ovary. After artificial insemination,$F$ embryos are collected at a time. Then each embryo is transplanted into a $G$. $A$ to $G$ in the above paragraph refers:

Vitamin $B_{12}$ is most abundantly found in:

Three types of carp fish,namely Catla,Labeo,and Cirrhinus,can be cultured together in the same pond to obtain higher economic yield because they exhibit:

Which of the following is an insect pest-resistant crop variety?