________________ is a hormone that regulates the amount of glucose in the blood.

• Glucogen

• Thyroxine

• Oxytocin

• Insulin

'Agronomy' is the practice of raising ................

• plants and animals

• crop plants

• agriculture

• fruit plants only

A genetically engineered form of brinjal known as the BT-brinjal has been developed. The objective of this is 

• to make it pest resistant

• to improve its taste and nutritive value

• to make it drought resistant

• to make its shelf-life longer

A member of Liliaceae that shows reticulate venation is

• Scilla

• Smilax

• Aloe

• Allium

A pair of contrasting characters controlling the same trait is called

• Factors

• Loci

• Allele

• Lineage