निम्नलिखित में से कौन-सा वाक्य शुद्ध है ?
ये संकेतवाचक सर्वनाम हैं जिसके साथ कहते शब्द का प्रयोग होगा
Conversion of organic form of nitrogen into inorganic form is refer to as………………..
The department of agriculture, revenue and commerce was set up in .............................?
Plant origin insecticides are:
A. Nicotine
B. Arsenicals
C. Pyrethrum
D. Phosphamidon
E. Rotinone
Choose the correct answer from the options given below:
Which one of the following is not a biological control agent:
Which parasite attaches mainly to the gills of sea bass and causes hyperplasia and necrosis?
The oxidation of xanthine is catalyzed by xanthine dehydrogenase contains _________ element
The substance which causes a definite change in genes is called ................?
Commercial variety of Cut Roses produces stems of 50-120 cm in length (long stemmed roses) and yield 100 to 150 stems per square metre per year.
Which chemical is used for the control of mites?
Ratooning is practiced in which of the following crops?
