Question

A biocontrol agent to be a part of an integrated pest management should be

A. Species-specific and inactive on nontarget organisms  
B. Species-specific and symbiotic
C. Free living and broad spectrum
D. Narrow spectrum and symbiotic
Answer :   Species-specific and inactive on nontarget organisms

Releted MCQ Question on
Botany >> Microbes in Human Welfare

Releted Question 1

Which of the following is put into Anaerobic sludge digester for further sewage treatment?

A. Floating debris
B. Effluents of primary treatment
C. Activated sludge
D. Primary sludge
Releted Question 2

Match the following organisms with the products they produce:
a. Lactobacillus 1. Cheese
b. Saccharomyces cerevisiae 2. Curd
c. Aspergillus niger 3. Citric acid
d. Acetobacter aceti 4. Bread
5. Acetic acid

Select the correct option.

A. a-2, b-4, c-5, d-3
B. a-2, b-4, c-3, d-5
C. a-3, b-4, c-5, d-1
D. a-2, b-1, c-3, d-5
Releted Question 3

Which of the following is a commercial blood cholesterol lowering agent?

A. Cyclosporin $$A$$
B. Statin
C. Streptokinase
D. Lipases
Releted Question 4

Which of the following in sewage treatment removes suspended solids?

A. Secondary treatment
B. Primary treatment
C. Sludge treatment
D. Tertiary treatment

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Microbes in Human Welfare


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