The three major crops that contribute most to global food grain production are $........$.

Which is an important cereal crop of the temperate region?

Millions of chickens were killed in West Bengal,Assam,Orissa,and Maharashtra recently. What was the reason?

Consider the following statements about organic farming:
$I.$ Organic farming promotes the use of crop rotations and cover crops and encourages balanced host/predator relationships.
$II.$ Integrated pest and weed management and soil conservation systems are valuable tools on an organic farm.
$III.$ Organic farming protects the environment,minimizes soil degradation and erosion,and decreases pollution.
Which of the statements given above are correct?

Find the $CORRECT$ match:

Column $A$	Column $B$	Column $C$
$i$. Mackerel	Rastrelliger	Fresh water fish
$ii$. Honey bee	Apis	Wax
$iii$. Mrigal	Taccardia	Marine water fish
$iv$. Silkworm	Bombyx	Mulberry silk

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: