1.
One of the major difficulties in the biological control of insect pest is that the
2.
Study the following flow chart that shows curd formation from milk and select the correct option for A and B
Milk is incubated with curd

LAB shows growth in milk

Production of …..A…..

Coagulation and digestion of milk protein

Improved nutritional quality by increased ….B….
 
3.
Pencils are prepared from the wood of
4.
Rauwolffia serpentinais used in 
5.
Agriculture by using only biofertilisers is called