Common polyphagus crop pests are:

A. Desert locust, Schistocerca gregaria (Forskal)

B. Brinjal shoot and fruit borer, Hencinodes orbonates Guinee

C. Cotton bollworm, Helicoverpa armigera (Hubner)

D. Potato tuber moth, Phthorimaea operculella (Zeller)

E. Red hairy caterpillar, Amsacta moorei (Butler)

Choose the correct answer from the options given below:

Which process converts cotton fibres into yarn by adding twist?

Durum/ Macroni wheat (Triticum durum) is:

Bunchy top disease of banana is caused by virus and  transmitted through which of the following…………….

Ballast elements are

The most effective insecticide to control termite is ______

White bud of maize is caused by

When the activity of one gene is suppressed by the activity of a non-allelic gene, it is known as

Unit less measure of dispersion is

Kinnow was developed  by

Which of the following method is used for corrections of defects in any popular variety?