Types of pheromone which motivate the insects to follow each other is known as____________________?

Related Mcqs:

Examples of poly phagous insect is__________________?

A. Helicoverpa armigera B. Ants C. Green lacewing D. Pink bollworm...

When some cultivars are resistance and some cultivars are susceptible, when they are infested with same insect biotype such type of resistance is called___________________?

A. General resistance B. Specific resistance C. Cross resistance D. Horizontal resistance...

What colour show extremely hazard to human being_________________?

A. Red B. Blue C. Yellow D. Brown...

The bees are not reared for commercial purpose are called_________________?

A. Domestic bees B. Wild bees C. None of the above D. Wild bees...

Antecedents prevent pest to cause damage called___________________?

A. Sterilant B. Protectant C. Systemic D. Contact...