18692.Which of the following is wrongly matched?
Aloe – Medicine
Petunia – Fumigatory
Sesbania – Fodder
Asparagus – Vegetable
18693.One of the free-living anaerobic nitrogen-fixer is
Azotobacter
Beijerinckia
Rhodospirillum
Rhizobium
18694.Select the correct statement from the following
Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria
Biogas is produced by the activity of aerobic bacteria on animal waste
Methanobacterium is an aerobic bacterium found in rumen of cattle
Biogas, commonly called gobar gas, is pure methane
18695.Which of the following bacterium produces butyric acid?
Acetobacter aceti
Clostridium butylicum
Lactobacillus
None of these
18696.Monascus purpureus is a yeast used commercially in the production of
Citric acid
Blood cholesterol lowering statins
Ethanol
Streptokinase for removing clots from the blood vessels
18697.Bacillus thuringiensis(Bt) strains have been used for designing novel
Biofertilizers
Bio-mineralization processes
Bio-insecticidal plants
Bio-metallurgical techniques
18698.Which of the following is not used as a biopesticide?
Trichoderma harzianum
Bacillus thuringiensis
Xanthomonas campestris
Nuclear Polyhedrosis Virus (NPV)
18699.A hybrid where the cytoplasm of two parent cells are fused by retaining only one parental nucleus is called
Asymmetric somatic hybrid
Symmetric somatic hybrid
An interbreed
Cybrid
18700.The yeast that is used in alcohol production and bread making is
Escherichia coli
Saccharomyces cerevisiae
Bacillus subtilis
Pseudomonas putida
18701.Match Column I with II and choose the right option.
| Column - I | Column - II | ||
|---|---|---|---|
| (1) | Artemisia | (A) | Fibre |
| (2) | Astragalus | (B) | Insecticide |
| (3) | Phormium | (C) | Rat poison |
| (4) | Chrysanthemum | (D) | Medicine |
| (5) | Withania | (E) | Vermifuge |
| (F) | Gum | ||
1 – D, 2 – C, 3 – F, 4 – B, 5 – A
1 – B, 2 – E, 3 – D, 4 – C, 5 – A
1 – E, 2 – B, 3 – A, 4 – F, 5 – D
1 – E, 2 – F, 3 – A, 4 – B, 5 – D