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1.
The quickest method of plant breeding is
2.
The dough used for making bread is fermented by
3.
Chicken pox, small pox, etc., can be cure by
4.
Nitrifying bacteria
5.
Consider the following statements
I. Ladybirds and dragonflies are used to get rid of aphids and mosquitoes
II. The bacteria Bacillus thuringiensis (Bt) are used to control butterfly
III. Trichoderma sp. free living fungi, are present in root ecosystems where they act against several plant pathogens
IV. Rhizobium is a symbiotic bacterium that lives in the stem of legumes
Which of the statements given above are correct?
I. Ladybirds and dragonflies are used to get rid of aphids and mosquitoes
II. The bacteria Bacillus thuringiensis (Bt) are used to control butterfly
III. Trichoderma sp. free living fungi, are present in root ecosystems where they act against several plant pathogens
IV. Rhizobium is a symbiotic bacterium that lives in the stem of legumes
Which of the statements given above are correct?
6.
Cultivation of 
cotton has been much in the news. The prefix means
cotton has been much in the news. The prefix means
7.
Which of the following cyanobacteria can fix atmospheric nitrogen?
I. Volvox
II. Oscillatoria
III. Nostoc
IV. Anabaena
Choose the correct option
I. Volvox
II. Oscillatoria
III. Nostoc
IV. Anabaena
Choose the correct option
8.
From which one of the following plants, the insecticide pyrethrum is prepared?
9.
Bacterial fertilizer is
10.
Which of the following organisms is used in the production of beverages like wine, beer, whisky brandy or rum?